VOLT AMMETER RED

Dual-display DC Voltmeter and Ammeter module with 0.28" red LED display. Measures voltage (0–100V) and current (0–10A, built-in shunt) simultaneously. ~500ms refresh rate. Built-in calibration potentiometers for fine-tuning. Suitable for battery monitoring, DC power supplies, and automotive applications.

Wiring:

• Black (thin) — Module negative / buck circuit negative
• Red (thin) — Power supply positive
• Black (thick) — COM (common measuring terminal)
• Red (thick) — PW+ (voltage input positive)
• Yellow (thick) — IN+ (current input positive)

Specifications:

• Display: 0.28" dual LED
• Operating Voltage: 4.5–30V DC
• Voltage Measurement: 0–100V DC (0.1V resolution)
• Current Measurement: 0–10A DC (built-in shunt)
• Refresh Rate: ~500ms

Applications:

• Real-time voltage and current monitoring
• Battery and power supply diagnostics
• Automotive DC circuit monitoring