{"title":"Development \u0026 Motherboards\/ Communication Modules\/Charging Modules","description":null,"products":[{"product_id":"0-9v-5v-to-5v-600mamp-usb-output","title":"0.9V-5V TO 5V 600MAMP USB OUTPUT","description":"\u003cp\u003eThe DC-DC Boost Module steps up a low input voltage (0.9V–5V) to a regulated 5V USB output at up to 600mA. Ideal for portable charger projects powered by AA batteries or single-cell LiPo. 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Each relay features optocoupler isolation for safe separation of control and load circuits, with status LEDs for each channel.\u003c\/p\u003e\n\u003cp\u003eCompatible with Arduino, AVR, PIC, ARM, MSP430, and any TTL-logic microcontroller. 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Transistor-driven relay coil with pull-down circuit to prevent false triggering. Isolated control and load areas. Power indicator and relay status indicator LEDs.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRelay channels: 1\u003c\/li\u003e\n\u003cli\u003eOperating voltage: 5V DC\u003c\/li\u003e\n\u003cli\u003eTrigger current: 15–20mA\u003c\/li\u003e\n\u003cli\u003eSwitching capacity: 10A @ 250V AC \/ 10A @ 30V DC\u003c\/li\u003e\n\u003cli\u003eContacts: 1 × NC, 1 × NO\u003c\/li\u003e\n\u003cli\u003eDriver: Transistor (triode) with pull-down circuit\u003c\/li\u003e\n\u003cli\u003eIsolation: Control and load areas separated\u003c\/li\u003e\n\u003cli\u003eIndicators: Power LED + relay status LED\u003c\/li\u003e\n\u003cli\u003eCompatible: Arduino, AVR, PIC, ARM, 8051, TTL logic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSwitching 220V AC appliances from Arduino\u003c\/li\u003e\n\u003cli\u003eDC motor and solenoid control\u003c\/li\u003e\n\u003cli\u003eHome automation switching circuits\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371673141302,"sku":"TW11","price":35.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/1CH_5V_RELAY_MODULE.jpg?v=1787646102"},{"product_id":"2ch-5v-relay-module","title":"2CH 5V RELAY MODULE","description":"\u003cp\u003eThe 2-Channel 5V Relay Module allows you to independently control two high-voltage\/high-current loads from a microcontroller. 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Compact, efficient, and simple to use — just connect a battery and switch. Suitable for science experiments, negative ion generators, and high-voltage DIY projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Warning:\u003c\/strong\u003e Keep arc discharge distance to ~1.5cm max. Do not exceed arc distance under load. Limit continuous power-on time to under 1 minute to prevent overheating. 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It allows a single microcontroller analog or digital pin to interface with up to 8 channels, selected via 3 digital address pins (S0, S1, S2). Ideal for expanding the ADC inputs of Arduino, ESP32, and other microcontrollers. 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Works bidirectionally with both analog and digital signals, making it ideal for reading multiple sensors, routing serial data, or expanding I2C\/SPI buses. 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Highly accurate (±5ppm \/ ±0.432 sec\/day) with battery backup for continuous timekeeping. 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Includes overcharge, over-discharge, and overcurrent protection. Automatically stops charging when battery is full. Requires 3.7V 18650 lithium-ion battery (not included).\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDual USB output: 5V\/2.1A and 5V\/1A\u003c\/li\u003e\n\u003cli\u003eIntelligent digital charge level display\u003c\/li\u003e\n\u003cli\u003eOvercharge protection: 4.250V (release: 4.100V)\u003c\/li\u003e\n\u003cli\u003eOver-discharge protection: 2.900V (release: 3.000V)\u003c\/li\u003e\n\u003cli\u003eLCD auto-off after 60 seconds of idle\u003c\/li\u003e\n\u003cli\u003eAuto stop charging when full\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBattery Type: 3.7V 18650 Li-ion (not included)\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eInput Charging Voltage: 5V–6V\u003c\/li\u003e\n\u003cli\u003eInput Charging Current: 1A\u003c\/li\u003e\n\u003cli\u003eDisplay Size: 28 × 13mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371679006774,"sku":"TW115","price":100.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/DIY_18650_lithium_battery_power_bank_module_with_dual_USB_output.jpg?v=1787900540"},{"product_id":"em18","title":"EM18","description":"\u003cp\u003eThe EM18 is a compact 125kHz RFID reader module with an integrated antenna. Reads 12-byte unique IDs from 125kHz RFID tags and transmits data via RS232 or Wiegand protocol (selected via SEL pin). Compatible with Arduino, microcontrollers, and PCs. 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Based on Microchip's ENC28J60 IC with integrated MAC and PHY. Supports full and half-duplex, automatic polarity correction, and SPI speeds up to 20MHz. Compatible with Arduino, AVR, PIC, LPC, and STM32 platforms.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eIntegrated IEEE 802.3 MAC and 10Base-T PHY\u003c\/li\u003e\n\u003cli\u003eSPI interface up to 20MHz\u003c\/li\u003e\n\u003cli\u003eFull and half-duplex support\u003c\/li\u003e\n\u003cli\u003eAutomatic polarity detection and correction\u003c\/li\u003e\n\u003cli\u003eProgrammable padding, CRC generation, and retransmit on collision\u003c\/li\u003e\n\u003cli\u003eAutomatic rejection of erroneous packets\u003c\/li\u003e\n\u003cli\u003eOnboard 25MHz crystal oscillator\u003c\/li\u003e\n\u003cli\u003eEthernet jack: HanRun HR911105A\u003c\/li\u003e\n\u003cli\u003e5V power supply\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIC: ENC28J60\u003c\/li\u003e\n\u003cli\u003eInterface: SPI (up to 20MHz)\u003c\/li\u003e\n\u003cli\u003eNetwork: 10Base-T Ethernet\u003c\/li\u003e\n\u003cli\u003eCrystal: 25MHz\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 5V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eArduino, AVR, PIC, LPC, STM32\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371679465526,"sku":"TW121","price":300.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/ENC28J60_ETHERNET.jpg?v=1787646104"},{"product_id":"ethernet-shield","title":"ETHERNET SHIELD","description":"\u003cp\u003eThe Arduino Ethernet Shield (W5100) connects any Arduino to the internet via a standard RJ-45 port. Based on the Wiznet W5100 chip with hardware TCP\/IP stack supporting up to 4 simultaneous socket connections. Stackable design compatible with Arduino Uno, Duemilanove, and Mega (1280\/2560). Includes onboard microSD card slot (SS on Pin 4) for file storage and serving over the network. PoE capable (IEEE802.3af compliant).\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eWiznet W5100 hardware TCP\/IP stack — TCP and UDP support\u003c\/li\u003e\n\u003cli\u003eUp to 4 simultaneous socket connections\u003c\/li\u003e\n\u003cli\u003e10\/100Mbps Ethernet via RJ-45\u003c\/li\u003e\n\u003cli\u003eOnboard microSD card slot (SD library compatible, SS = Pin 4)\u003c\/li\u003e\n\u003cli\u003ePower over Ethernet (PoE) support — IEEE802.3af compliant\u003c\/li\u003e\n\u003cli\u003e1500V input-to-output isolation\u003c\/li\u003e\n\u003cli\u003eOverload and short-circuit protection\u003c\/li\u003e\n\u003cli\u003eStackable — compatible with Arduino shield system\u003c\/li\u003e\n\u003cli\u003eOnboard reset controller for reliable W5100 power-up\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIC: Wiznet W5100\u003c\/li\u003e\n\u003cli\u003eSpeed: 10\/100Mbps\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eCompatible with: Arduino Uno, Duemilanove (168\/328), Mega 1280\/2560\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371680251958,"sku":"TW131","price":410.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/ETHERNET_SHIELD.jpg?v=1787646107"},{"product_id":"ft232-usb-to-ttl-wire","title":"FT232 USB TO TTL WIRE","description":"\u003cp\u003eThe FT232RL USB to TTL Serial Adapter is based on the genuine FTDI FT232RL IC. Converts USB to UART TTL for programming Arduino Pro Mini, LilyPad, and other 6-pin FTDI-compatible boards. Features the DTR pin (not RTS) for auto-reset during sketch upload — no manual reset button needed. Selectable 3.3V or 5V IO and power via back jumper (default: 5V). 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TX\/RX indicator LEDs. 2.54mm pitch headers. 500mA self-resetting USB fuse for overcurrent protection.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWiring (FTDI → Arduino Pro Mini):\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGND → GND\u003c\/li\u003e\n\u003cli\u003eVCC → VCC\u003c\/li\u003e\n\u003cli\u003eTX → RX\u003c\/li\u003e\n\u003cli\u003eRX → TX\u003c\/li\u003e\n\u003cli\u003eDTR → GRN (auto-reset)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIC: Genuine FTDI FT232RL\u003c\/li\u003e\n\u003cli\u003eInterface: Mini USB\u003c\/li\u003e\n\u003cli\u003eVoltage: 3.3V \/ 5V selectable\u003c\/li\u003e\n\u003cli\u003ePin Pitch: 2.54mm\u003c\/li\u003e\n\u003cli\u003eFuse: 500mA self-resetting\u003c\/li\u003e\n\u003cli\u003eIndicators: Power, TX, RX LEDs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eArduino Pro Mini, LilyPad, and all FTDI 6-pin connector boards\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371682709558,"sku":"TW150","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/FT232L_MODULE.jpg?v=1787646110"},{"product_id":"gsm-7670-4g","title":"GSM 7670 4G","description":"\u003cp\u003eThe GSM 7670 4G module is built around the SIMCom A7670C LTE chip and supports LTE-FDD, LTE-TDD, GSM, GPRS, and EDGE networks. 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Features RS232 (DB9) and TTL UART interfaces for easy connection to PCs or microcontrollers. Controlled via standard AT commands. Onboard SIM card holder, network status LED, and TCP\/IP stack for GPRS data transfer. Industrial-grade operating range: -40°C to +85°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Requires 9–12V DC supply with at least 2A peak current capability.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eModule: SIM800A\u003c\/li\u003e\n\u003cli\u003eBands: GSM 850\/900\/1800\/1900MHz (quad-band)\u003c\/li\u003e\n\u003cli\u003eGPRS: Class 2\/10\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 9–12V DC (2A peak)\u003c\/li\u003e\n\u003cli\u003eInterfaces: RS232 DB9, TTL TX\/RX (5V), 5V MCU header\u003c\/li\u003e\n\u003cli\u003eAntenna: External finger-type antenna\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40 to +85°C\u003c\/li\u003e\n\u003cli\u003eWeight: 40g\u003c\/li\u003e\n\u003cli\u003eControl: AT commands (3GPP TS 27.007\/27.005 + SIMCom enhanced)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGSM SMS and voice communication\u003c\/li\u003e\n\u003cli\u003eGPRS data transfer and IoT connectivity\u003c\/li\u003e\n\u003cli\u003eRemote monitoring and telemetry\u003c\/li\u003e\n\u003cli\u003eMicrocontroller-based GSM projects\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371685855286,"sku":"TW176","price":650.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/GSM_SIM_800A.avif?v=1787646106"},{"product_id":"gsm-sim-900a","title":"GSM SIM 900A","description":"\u003cp\u003eThe SIM900A is an ultra-compact dual-band GSM\/GPRS SMT module (24 × 24 × 3mm, 3.4g) supporting 900\/1800MHz. Delivers voice, SMS, data, and fax with GPRS multi-slot Class 10. Compatible with Arduino, Raspberry Pi, AVR, ARM, PIC, and 8051. Controlled via AT commands. Industrial-grade operating range: -40°C to +85°C with ultra-low sleep current of 1mA.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eModule: SIM900A\u003c\/li\u003e\n\u003cli\u003eBands: Dual-band GSM\/GPRS 900\/1800MHz\u003c\/li\u003e\n\u003cli\u003eGPRS: Multi-slot Class 10\/8, Mobile Station Class B\u003c\/li\u003e\n\u003cli\u003eTX Power: Class 4 (2W @ 900MHz), Class 1 (1W @ 1800MHz)\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 3.2–4.8V (module); 12V 1–2A (board)\u003c\/li\u003e\n\u003cli\u003eSleep Current: 1.0mA\u003c\/li\u003e\n\u003cli\u003eDimensions: 24 × 24 × 3mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.4g\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40 to +85°C\u003c\/li\u003e\n\u003cli\u003eControl: AT commands (GSM 07.07\/07.05 + SIMCom enhanced)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eArduino, Raspberry Pi, ARM, AVR, PIC, 8051\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGSM voice calls and SMS\u003c\/li\u003e\n\u003cli\u003eGPRS data transfer and IoT connectivity\u003c\/li\u003e\n\u003cli\u003eRemote monitoring and tracking\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371685953590,"sku":"TW177","price":370.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/GSM_SIM_900A.jpg?v=1787646106"},{"product_id":"gsm-sim800c","title":"GSM SIM800C","description":"\u003cp\u003eThe GSM SIM800C Modem is built on the SIMCom SIM800C quad-band GSM\/GPRS engine. Supports 850\/900\/1800\/1900MHz for voice, SMS, and GPRS data. RS232 DB9 interface (MAX3232 level converter) for direct PC or MCU connection. Onboard regulated power supply accepts 5–12V DC via DC jack or 2-pin RMC connector. Configurable baud rate 9600–115200 via AT commands. FR4 PCB, ESD compliant.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eModule: SIMCom SIM800C\u003c\/li\u003e\n\u003cli\u003eBands: Quad-band 850\/900\/1800\/1900MHz\u003c\/li\u003e\n\u003cli\u003eGPRS: Multi-slot Class 12\/10, Mobile Station Class B\u003c\/li\u003e\n\u003cli\u003eTX Power: Class 4 (2W @ 850\/900MHz), Class 1 (1W @ 1800\/1900MHz)\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 5–12V DC (supports up to 2A surge)\u003c\/li\u003e\n\u003cli\u003eInterface: RS232 DB9 (MAX3232), SMA antenna connector\u003c\/li\u003e\n\u003cli\u003eBaud Rate: 9600–115200 (configurable via AT)\u003c\/li\u003e\n\u003cli\u003eSIM: Slide-in tray\u003c\/li\u003e\n\u003cli\u003eControl: AT commands (3GPP TS 27.007\/27.005 + SIMCom enhanced)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial and home automation\u003c\/li\u003e\n\u003cli\u003eGPRS data logging and remote monitoring\u003c\/li\u003e\n\u003cli\u003eVehicle tracking and GPS integration\u003c\/li\u003e\n\u003cli\u003eHealth monitoring and agriculture automation\u003c\/li\u003e\n\u003cli\u003eBulk SMS and security alert systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371685986358,"sku":"TW178","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/SIM800A.jpg?v=1787726844"},{"product_id":"gsm-sim800l","title":"GSM SIM800L","description":"\u003cp\u003eThe SIM800L is a miniature quad-band GSM\/GPRS module with TTL serial interface — no MAX232 required. Supports SMS, voice calls, and GPRS data (TCP\/IP) globally. Includes two antennas: a wire antenna (soldered to NET pin) and a PCB antenna with IPX connector for use inside enclosures. Onboard network status LED (slow blink = signal, fast blink = no signal).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCaution:\u003c\/strong\u003e The SIM800L uses 2.8V logic. Use a resistor voltage divider when interfacing the TX line with 5V Arduino to avoid damaging the module.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eModule: SIM800L\u003c\/li\u003e\n\u003cli\u003eBands: Quad-band GSM\/GPRS 850\/900\/1800\/1900MHz\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 3.7–4.2V DC\u003c\/li\u003e\n\u003cli\u003ePeak Current: 2A\u003c\/li\u003e\n\u003cli\u003eInterface: TTL UART (direct MCU connection)\u003c\/li\u003e\n\u003cli\u003eAntennas: Wire (NET pin) + PCB antenna with IPX pigtail\u003c\/li\u003e\n\u003cli\u003eOnboard: Network status LED\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIoT SMS and GPRS data projects\u003c\/li\u003e\n\u003cli\u003eRemote monitoring and control\u003c\/li\u003e\n\u003cli\u003eGPS tracker and vehicle tracking systems\u003c\/li\u003e\n\u003cli\u003eMicrocontroller-based GSM communication\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371686019126,"sku":"TW179","price":300.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/GSM_SIM800L.jpg?v=1787646109"},{"product_id":"hc05-bluetooth","title":"HC05 BLUETOOTH","description":"\u003cp\u003eThe HC-05 is a Bluetooth 2.0+EDR serial module (SPP) that operates in both Master and Slave modes, switchable via AT commands. Default is Slave mode. Supports wireless serial communication with microcontrollers at up to 2.1Mbps (async). Supply voltage 3.6–6V, directly compatible with 5V Arduino systems.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProtocol: Bluetooth v2.0 + EDR\u003c\/li\u003e\n\u003cli\u003eProfile: Serial Port Profile (SPP)\u003c\/li\u003e\n\u003cli\u003eFrequency: 2.4GHz ISM band\u003c\/li\u003e\n\u003cli\u003eModulation: GFSK\u003c\/li\u003e\n\u003cli\u003eTX Power: ≤4dBm (Class 2)\u003c\/li\u003e\n\u003cli\u003eSensitivity: ≤-84dBm @ 0.1% BER\u003c\/li\u003e\n\u003cli\u003eSpeed: Async 2.1Mbps \/ 160kbps; Sync 1Mbps\/1Mbps\u003c\/li\u003e\n\u003cli\u003eRange: Up to 10m\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 3.6–6V, 50mA\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -20 to +75°C\u003c\/li\u003e\n\u003cli\u003eDimensions: 26.9 × 13 × 2.2mm\u003c\/li\u003e\n\u003cli\u003eSecurity: Authentication and encryption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWireless serial communication for Arduino\/MCU projects\u003c\/li\u003e\n\u003cli\u003eBluetooth robot control\u003c\/li\u003e\n\u003cli\u003eIndustrial and embedded wireless links\u003c\/li\u003e\n\u003cli\u003eGPS receiver data relay\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371686182966,"sku":"TW183","price":160.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/HC-05_Bluetooth_Module.webp?v=1787729105"},{"product_id":"hm10-module","title":"HM10 MODULE","description":"\u003cp\u003eThe HM-10 is a Bluetooth 4.0 BLE module based on the TI CC2541 chip. Supports transparent UART serial communication with BLE-capable devices (Android, iOS). Configurable as Master or Slave via AT commands. Onboard voltage regulator accepts 5V input (converts to 3.3V internally). Range up to 60m. Features 2-channel 14-bit ADC, 4-channel PWM output, and ultra-low power standby mode.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003ePin Description:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVCC\u003c\/strong\u003e — 5V supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e — Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTXD\u003c\/strong\u003e — Serial transmit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRXD\u003c\/strong\u003e — Serial receive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTATE\u003c\/strong\u003e — Internal LED status (leave unconnected)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBRK\u003c\/strong\u003e — Break connection (leave unconnected)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eChip: TI CC2541\u003c\/li\u003e\n\u003cli\u003eBluetooth: v4.0 BLE\u003c\/li\u003e\n\u003cli\u003eFrequency: 2.4GHz ISM band (GFSK)\u003c\/li\u003e\n\u003cli\u003eTX Power: ≤4dBm\u003c\/li\u003e\n\u003cli\u003eSensitivity: ≤-84dBm @ 0.1% BER\u003c\/li\u003e\n\u003cli\u003eRange: Up to 60m\u003c\/li\u003e\n\u003cli\u003eDefault Baud Rate: 9600bps\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eADC: 2-channel, 14-bit\u003c\/li\u003e\n\u003cli\u003ePWM: 4-channel, 120Hz\u003c\/li\u003e\n\u003cli\u003eAntenna: Built-in PCB antenna\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBLE wireless serial communication\u003c\/li\u003e\n\u003cli\u003eiOS and Android app connectivity\u003c\/li\u003e\n\u003cli\u003eIoT sensor data transmission\u003c\/li\u003e\n\u003cli\u003eRemote control and monitoring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371686346806,"sku":"TW185","price":220.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/hm10.webp?v=1787729269"},{"product_id":"imax-b6-ac-balanced-charger","title":"IMAX B6 AC BALANCED CHARGER","description":"\u003cp\u003eThe iMAX B6AC is a multi-chemistry balance charger\/discharger supporting LiPo, Li-ion, LiFe, NiMH, NiCd, and Pb batteries. Built-in AC adapter (100–240V) plus 11–18V DC input. Individual cell balancing for up to 6S lithium packs. Microprocessor controlled with internal resistance checker, delta-peak sensitivity, cyclic charge\/discharge, and 5-pack memory storage.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCharge Current: 0.1–5.0A\u003c\/li\u003e\n\u003cli\u003eDischarge Current: 0.1–1.0A\u003c\/li\u003e\n\u003cli\u003eCharging Power: 80W (max)\u003c\/li\u003e\n\u003cli\u003eDischarging Power: 10W (max)\u003c\/li\u003e\n\u003cli\u003eLi-xx Cells: 1–6S\u003c\/li\u003e\n\u003cli\u003eNiCd\/NiMH Cells: 1–15\u003c\/li\u003e\n\u003cli\u003ePb Battery: 2–20V\u003c\/li\u003e\n\u003cli\u003eBalance Drain Current: 300mA\/cell\u003c\/li\u003e\n\u003cli\u003eDC Input: 11–18V\u003c\/li\u003e\n\u003cli\u003eAC Input: 100–240V (built-in adapter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIndividual cell balancing\u003c\/li\u003e\n\u003cli\u003eInternal resistance checker\u003c\/li\u003e\n\u003cli\u003eDelta-peak sensitivity (NiMH\/NiCd)\u003c\/li\u003e\n\u003cli\u003eCyclic charge\/discharge\u003c\/li\u003e\n\u003cli\u003e5-pack memory storage\u003c\/li\u003e\n\u003cli\u003eInput voltage monitoring (protects car battery at field)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLiPo battery charging for drones and RC vehicles\u003c\/li\u003e\n\u003cli\u003eRobot and DIY battery pack maintenance\u003c\/li\u003e\n\u003cli\u003eLab bench battery management\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371687198774,"sku":"TW190","price":1700.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/IMAX_B6_AC_BALANCED_CHARGER.jpg?v=1787646110"},{"product_id":"ir-remote-with-tsop-board","title":"IR REMOTE WITH TSOP BOARD","description":"\u003cp\u003eThe TSOP1738 IR Receiver module includes an IR remote control and a TSOP1738 receiver board. The TSOP1738 integrates a PIN photodiode and preamplifier with an internal 38kHz PCM bandpass filter. Outputs a demodulated digital signal directly compatible with TTL\/CMOS microcontrollers. High immunity to ambient light and electrical interference. 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Onboard LED indicator shows switching state. Screw terminals for load and external power. 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The transmitter encodes data into rapid LED intensity variations; the receiver decodes it via a photodetector. Transmits at up to 38,400 baud over 5–15 feet (range extendable by increasing LED wattage). FR4 PCB, FPT certified. 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Output voltage is adjustable via onboard potentiometer (turn clockwise to increase, anticlockwise to decrease). 150kHz switching frequency allows compact filter components. Built-in short-circuit protection with self-recovery. 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Displays input or output voltage (switchable via button). High-precision multi-turn potentiometer for fine voltage adjustment. Screw terminals and solderable pads for flexible connections. Power-off memory retains last displayed voltage. Reverse polarity, short-circuit, and thermal shutdown protection built in. 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Dual-chip design: LM2596S for buck, LM2577S for boost. Output adjustable via onboard potentiometer. Compact 53 × 38 × 15mm footprint, 28.7g. Compatible with solar panels, batteries, and varying DC sources.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eICs: LM2596S (buck) + LM2577S (boost)\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 3.5–28V DC\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 1.25–26V DC (adjustable)\u003c\/li\u003e\n\u003cli\u003eMax Output Current: 700mA\u003c\/li\u003e\n\u003cli\u003eMax Output Power: 5W\u003c\/li\u003e\n\u003cli\u003eDimensions: 53 × 38 × 15mm\u003c\/li\u003e\n\u003cli\u003eWeight: 28.7g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSolar panel power conditioning\u003c\/li\u003e\n\u003cli\u003eBattery-powered portable electronics\u003c\/li\u003e\n\u003cli\u003eEmbedded systems with variable supply voltage\u003c\/li\u003e\n\u003cli\u003eDIY adjustable power supply\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371689394230,"sku":"TW224","price":205.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/LM2596_LM2577_BUCK-BOOST_CONVERTOR_MODULE.jpg?v=1787646110"},{"product_id":"lm317-dc-dc-linear-regulator-step-down-power-module","title":"LM317 DC DC LINEAR REGULATOR STEP DOWN POWER MODULE","description":"\u003cp\u003eThe LM317 Linear Voltage Regulator Module is a 3-terminal adjustable positive voltage regulator capable of 1.5A output over a 1.2–37V range. 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SPI interface, metal shielding, SMD-16 castellated package for easy PCB integration. Delivers up to +18dBm TX power and -148dBm receiver sensitivity for long-range, low-power wireless communication. 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Up to 15km range in open areas. +20dBm TX power, -148dBm receiver sensitivity. SPI interface, onboard patch antenna, shielded housing, castellated SMD package. For Arduino use with the LoRa library (install via Arduino IDE Library Manager). 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DB9 female connector on the RS232 side; 4-pin header (TX, RX, VCC, GND) on the TTL side. Compatible with all UART-based microcontrollers (AVR, PIC, STM32, etc.). 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Supports standard, extended, and remote frames. Up to 1Mbps. Selectable 120Ω termination resistor (J1 jumper). 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Ideal for DIY humidity-controlled enclosures.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOperating Voltage: 5V DC (Type-C USB)\u003c\/li\u003e\n\u003cli\u003ePower: 2W\u003c\/li\u003e\n\u003cli\u003eFrequency: 108kHz\u003c\/li\u003e\n\u003cli\u003eSpray Rate: 50ml\/h\u003c\/li\u003e\n\u003cli\u003eDroplet Size: 5µm\u003c\/li\u003e\n\u003cli\u003eSpray Holes: 740\u003c\/li\u003e\n\u003cli\u003eDriver Board Size: 35 × 19 × 15mm\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: 0 to +85°C\u003c\/li\u003e\n\u003cli\u003eOperating Humidity: 10–90% RH\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDIY egg incubation humidity control\u003c\/li\u003e\n\u003cli\u003ePlant growth and terrarium humidifiers\u003c\/li\u003e\n\u003cli\u003eFogger effects for display projects\u003c\/li\u003e\n\u003cli\u003eHumidity-controlled lab experiments\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Powered by INFINITY WORKS","offers":[{"title":"Default Title","offer_id":47371691425846,"sku":"TW250","price":80.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9335\/5062\/files\/MINI_USB_NEBULIZER.webp?v=1787646109"},{"product_id":"mp3-df-mini","title":"MP3 DF MINI","description":"\u003cp\u003eThe DFPlayer Mini is a compact MP3 player module with a built-in amplifier for direct speaker output. Reads audio files from a microSD card (FAT16\/FAT32). Can operate standalone with a battery, speaker, and push buttons, or be controlled via UART from Arduino, ESP32, or any MCU. 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Upload MP3 or WAV files to a microSD card, then trigger playback via I\/O pins, UART serial, or ONE-wire single-bus control. Works standalone (push-button or IO trigger) or with Arduino, ESP32, and Raspberry Pi. 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Supports coins from multiple countries. CPU-controlled recognition with pulse output signal. Anti-counterfeit and anti-cheating detection built in. Accepts coins across a range of diameters and thicknesses. 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