doppelgrau / esp32-f9p-io-board

An IO-PCB (two motor-driver/H-bridge, CAN, RS232, ADS1115, relay, ethernet, ardusimple f9p compatible connector) with an ESP32 for 12V power, three 15V tolerant analog inputs, three 5V tolerant inputs.
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stable reference voltage for sensor and analog part of ads1115 #41

Open doppelgrau opened 4 years ago

doppelgrau commented 4 years ago

some ldo or a reference voltage

doppelgrau commented 4 years ago

Evaluate how large the difference is measuring differential to VCC (Input 5 on VCC), might be cheaper solution