A ESP32 development board with the ESP32-C5 chip. It supports dual-band with the onboard antenna: 2.4 GHz and 5 GHz Wifi. Also it has an onboard RGB-LED, voltage divider and battery charging circuit. There are 16 GPIO Pins available (thereof 6 ADC-Pins). The board can be powered by a solar cell with around 5V and minimum 100 mA current. It has also two mounting holes in two edges (for M2.5 screws). Flashed with Micropython v1.27
I like designing PCBs and wanted a ESP32 board that supports also 5 GHz Wifi.
It has an onboard battery charging circuit based on the TP4056 chip. It uses ~0.35 mA in Deep Sleep mode. A voltage divider is integrated to check the battery voltage/status. Also it has an RGB-LED. In idle mode it uses about 35 mA current. There are VIN- and GND-Pin to power the board with a solar cell. It is nice and small: 32x32 mm and about 5g.
Certified Open Source Hardware - OSHW CH000029
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