Workbench homemade lab power supply to monitor voltage, amperage, capacity, current power and power used since startup. I needed a currentmeter on the high side of the power line. The ones I found ...
* A LM35 mounted on the Sensor Adapter Switchboard from itoffice.eu * The Sensor Adapter Switchboard is mounted on the Minimal-X Extension Board from itoffice.eu * ESP32 in a Heltec WiFi Lora 32 that ...