ESP32-C3 SuperMini Expansion Board für ESP32-C3 Entwicklungsboard V3S27766
5,65 €
The factory default is to use a 0R resistor connected to 3.3V. If you need to output 3.7V, directly remove the 0R resistor and short-circuit the three pads with tin. If you need to use one, just handle which one.
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