Shields & Accessories
This is a 16 Channel 5V Relay Module with Optocoupler, Be able to control various appliances and other equipment with a large current. It can be controlled directly by Micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, TTL logic).
This is 5V 16-Channel Relay interface board and each one of the individual relays needs 15-20mA Driver Current. The board features indication LED for Relay output status and the standard interface that can be controlled directly by many of widely used microcontrollers like Arduino etc.
The 5V electromechanical relay module with AC contact capacity of 250V which also include light coupling protection(optocoupler) for isolation of control circuitry. The plate load power module doesn’t need an external power supply. It supports all SCM Drive.
This is 1 Channel 5V Relay Board Module For Arduino PIC AVR DSP ARM. A wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control it.
Each one needs 15mA – 20mA driver current and Equipped with high current relay: DC 5V / 10A, AC 250V / 10A
Standard interface that can be compatible with microcontroller.
5V 1Ch Relay Module with Optocoupler is an electronic component commonly used in various applications for controlling high-voltage devices or circuits with a lower-voltage microcontroller or digital signal. Let’s break down the key features and components of this module. Applications for a 5V 1-Channel Relay Module with Optocoupler are diverse and can include home automation, industrial automation, robotics, and any project where you need to control high-voltage devices safely using a microcontroller or digital signal.
This module can be interfaced with any microcontrollers like Arduino UNO, AVR, PIC, Raspberry PI, ESP32 etc, making versatile to control any AC and DC loads conveniently,
Switching both AC (Alternating Current) and DC (Direct Current) loads with a 5V 1-Channel Relay Module with Optocoupler follows a similar principle, but there are some differences to consider. Below are the general safety steps for switching both AC and DC loads:
This is a LOW Level 5V 2-channel relay interface board, and each channel needs a 15-20mA driver current. It can be used to control various appliances and equipment with large current. It is equiped with high-current relays that work under AC250V 10A or DC30V 10A. It has a standard interface that can be controlled directly by microcontroller.
It is 5V 10A 4-Channel Optocoupler Relay Module Board use in a wide range of microcontrollers such as Arduino, ESP8266, ESP32, Raspberry Pi and so on can control it. Arduino 4 relay module 5V is also able to control various appliances and other types of equipment with large current.
Relay output maximum contact is AC250V 10A and DC5V 10A. One can connect a microcontroller with standard interface directly to it. Red working status indicator lights are conducive to the safe use. It has a wide range of applications such as all MCU control, industrial sector, PLC control, smart home control.
This neat 5V 4 channel relay module features 4 x 5V relays rated at 10A/250V each. ESP32 relay board 4 channel is designed to switch up to 4 high current (10A) or high voltage (250V) loads with the help of microcontroller!
Each relay can individually switch on/off by an opto-isolated digital input, which that can connect directly to a microcontroller output pin. This 10A optocoupler relay board only requires a voltage of approx 1.0V to switch the inputs on but can handle input voltages up to 5V. This makes it ideal for 1.0V to 5V devices.
74HC4051 8-Channel Analog Multiplexer/Demultiplexer Breakout Board is a versatile high-speed CMOS device designed to expand the input or output capabilities of your microcontroller by switching eight different channels to a single common line. This module functions effectively as a digitally controlled electronic switch that handles both analog and digital signals within the power supply range. Consequently, you can connect eight sensors to just one analog-to-digital converter (ADC) pin on your Arduino or ESP32. Furthermore, the bidirectional nature of the 74HC4051 allows it to operate as a demultiplexer, routing a single input to any of the eight available outputs. Therefore, this breakout board provides an incredibly cost-effective solution for complex projects requiring extensive I/O expansion without upgrading to a larger processor.
Microcontrollers like the Arduino or ESP32 are great for logic, but they can’t directly turn on a 220V light bulb or a heavy DC motor. The 8 Channel Relay Board – 5V is the bridge between your code and the real world. It allows you to control up to eight independent high-power circuits using simple 5V logic signals. Whether you are building a smart home system, an automated garden, or an industrial sequencer, this board provides the muscle your project needs.
ADS1115 16-Bit ADC – 4 Channel with Programmable Gain Amplifier is mostly used for microcontrollers project which needs an analog-to-digital converter or when you want a higher-precision ADC. ADS1115 16-Bit ADC- provides 16-bit precision at 860 samples/second over I2C. The chip can be configured as 4 single-end input channels or two differential channels.
Additionally, ADC also includes a programmable gain amplifier, up to x16, to help boost up smaller single/differential signals to the full range. We like this ADC because it can run from 2V to 5V power/logic, can measure a large range of signals and it’s super easy to use. It is a great general-purpose 16-bit converter.
The ADS1115 chip is fairly small so it comes on a breakout board with ferrites to keep the AVDD and AGND quiet. Interfacing is done via I2C. The address can be changed to one of four options (see the datasheet table 5) so you can have up to 4 ADS1115’s connect on a single 2-wire I2C bus for 16 single end inputs.
This is the CP2102(6-pin) USB 2.0 to TTL UART serial converter module. This is a great little tool for embedded systems that require a serial connection to a computer. The board can simply attach to a USB bus and will appear as a standard COM port.
ThisCP2102 doesn’t require any external oscillator, it onboard-board voltage regulator, and it even uses a reprogrammable internal EEPROM for the device description. The full hardware UART has flow control for baud rates from 300bps to 921600bps.
This breakout also allows you to connect the TX/RX pins of your favorite microcontroller or serial application to the RX/TX pins of the breakout, creating a simple serial cable replacement.
Real-time clocks (RTC), as the name recommends are clock modules. The DS1307 Real Time Clock (RTC) IC is an 8 pin device using an I2C interface. The DS1307 is a low-power clock/calendar with 56 bytes of battery backup SRAM. The clock/calendar provides seconds, minutes, hours, day, date, month and year qualified data. The end date of each month is automatically adjusted, especially for months with less than 31 days.
They are available as integrated circuits (ICs) and supervise timing like a clock and also operate date like a calendar. The main advantage of RTC is that they have an arrangement of battery back up which keeps the clock/calendar running even if there is a power failure. An exceptionally little current is required for keeping the RTC animated. We can find these RTCs in many applications like embedded systems and computer motherboards, etc.
DS3231 Mini RTC is a Mini Real-Time Clock module designs for Raspberry Pi, but it also can be used with Uno. DS3231 RTC IC Self-adjust 3.3V and 5V.
Provide battery backup for continuous timing, Low-power consumption. Complete clock functions include seconds, minutes, hours, day, date, month and year timing, and provide valid to 2100.
It has Two calendar alarms, 1Hz, and 32.768kHz output. Reset output and input buttons Denounced High-speed (400KHz) I2C serial bus. Many RTC modules are meant to operate at 5V.
DS3231 RTC is a Precise Real-Time Clock Module with 32Kbit EEPROM and a built-in 10-bit temperature sensor having a resolution of 0.25C.
The DS3231 RTC module Precise Real-Time Clock Module is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input and maintains accurate timekeeping when the main power to the device is interrupted.
The USB TO UART TTL 5V 3.3V FT232RL Download Cable To Serial Adapter Module is a basic breakout board for the FTDI FT232RL USB to serial IC, Revision 2. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications.
The USB TO UART TTL 5V 3.3V FT232RL Download Cable To Serial Adapter Module is a basic breakout board for the FTDI FT232RL USB to serial IC, Revision 2. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications.
The HX711 Dual-Channel 24 Bit Precision A/D weight Pressure Sensor is a Load Cell Amplifier breakout board; for the HX711 IC that allows you to easily read load cells to measure weight. By connecting the module to your microcontroller you will be able to read the changes in the resistance of the load cell; and with some calibration. You’ll be able to get very accurate weight measurements.
This module is a compact and reliable switch solution for controlling high-power loads with low input voltage. It’s designed for easy integration into various circuits, making it a popular choice in DIY electronics, robotics, and IoT applications. The module uses a MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) to efficiently handle high currents and voltages with minimal power loss. The main purpose of this IRF520 MOSFET Driver Module is to provide a low-cost way to drive a DC motor for robotics applications, but the module can be used to control most high current DC loads.
This is PS2 Joystick Module Breakout Sensor very similar to the ‘analog’ joysticks on PS2 (PlayStation 2) controllers. Directional movements are simply two potentiometers – one for each axis. Pots are ~10k each. This joystick also has a select button that is actuated when the joystick is press down.
With the help of this Joystick Module, you can measure position coordinates on the X and Y axis by moving the “hat”. It also contains a switch that is press-able by pushing the “hat”.It also contains a switch that is press-able by pushing the “hat” down. Similar to the XBOX controller.
The X and Y axes are two 10k potentiometers which control 2D movement by generating analog signals. When the module is in working mode, it will output two analog values, representing two directions. This module uses the 5V power supply, and value, when reading through analog input, would be about 2.5V, a value will increase with joystick movement and will go up till maximum 5V; the value will decrease when the joystick is moved in other direction till 0V.
MAX3232 RS232 to TTL Serial Port Converter Module is a compact, reliable level shifter module used to interface RS232 serial devices with microcontrollers operating at TTL voltage levels (3.3V or 5V). It is based on the MAX3232 IC, which supports low-voltage operation while maintaining full-duplex RS232 communication. This module is ideal for connecting microcontrollers, Arduino boards, Raspberry Pi, or other TTL logic devices with legacy RS232 serial ports.
The DFRobot DFPlayer -A Mini MP3 Player is a small and low cost MP3 module with an simplified output directly to the speaker. DFRobot DFPlayer -A Mini MP3 Player can be used as a stand alone module with attached battery, speaker and push buttons or used in combination with microcontrollers such as Arduino, ESP32, Raspberry Pi and any microcontrollers with Uart.
DY-SV 5W MP3 Player Audio Playback Module can be used to play sound/music. Just upload the sounds that are to play on an SD Card, connect a suitable speaker to this module and you can start playing music/sound/voice files.
All required operations can be performed over UART – select the file, start/stop playback, increase/decrease volume, etc.
PCF8574 I2C Interface for 16×2 and 20×4 LCD Module is used with the microcontrollers As the pin resources of the controllers are limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic based project.
The PCF8591 is a monolithically integrated, and a separate power supply, low-power, 8-bit CMOS data acquisition devices. The PCF8591 has the four analog inputs, one analog output and a serial I2C bus interface.
PCF8591 three address pins A0, A1 and A2 can be used in hardware address programmed 8 PCF8591 device allows access to the same I2C bus, without the need for additional hardware. On the PCF8591 device input and output of the address, control and data signals are transmitted in serial fashion via the two-wire bidirectional I2C bus.
The RepRap Arduino-compatible MEGA Pololu Shield, or RAMPS for short. It is designed to fit the entire electronics needed for a RepRap in one small package for low cost. RAMPS interfaces an Arduino-compatible Mega with the powerful Arduino-compatible MEGA platform and has plenty room for expansion. The modular design includes plug in stepper drivers and extruder control electronics on an Arduino-compatible MEGA shield for easy service, part replacement, upgrade-ability and expansion. Additionally, a number of Arduino expansion boards can be added to the system as long as the main RAMPS board is kept to the top of the stack.
This sensor shield allows you to connect to various modules like sensors, servos, relays, buttons, potentiometers and many more directly to your Arduino through this Arduino Sensor Shield. Each functional module has buckled port with VCC, GND, and Output, which has the corresponding port on the Sensor Shield, connected with a plain 2.54mm dual-female cable you may start playing already