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Audio source — a phone
Works with Arduino Nano or any STM32 Nucleo32 board
The board is driven by a 4017 decade counter IC
your circuit is working perfectly
🔹 Analog input: Trimmer (potentiometer)
Power Meter PCB Kit advanced Audio source — a phoneBuild a precision power meter from scratch using an STM32 microcontroller and learn professional embedded electronics in the process. The Power Meter PCB Kit measures the voltage, current, and power of any circuit in real time, displaying all three values on an OLED screen. Connect a power supply to the input and your circuit to the output: the board does the rest. With a maximum input of 30V and 6A, and full protection against reverse polarity and
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