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BUCIER ESP32-C3 Development Board ESP32 Supermini Development Board ESP32 Development Board WiFi Bluetooth 3pcs
- Entering download mode: Press and hold the BOOT button of ESP32C3, then press the RESET button, release the RESET button, and then release the BOOT button, at this time, ESP32C3 will enter the download mode. (You need to re-enter the download mode every time you connect, sometimes you press it once, the port is unstable and will disconnect, you can judge it by the port recognition sound)
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If you need external power supply just connect the external power supply + level to the 5V position and GND to the negative terminal. (Support 3.36V power supply). Remember that when connecting the external power supply, you can not access the USB, USB and external power supply can only choose one.
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- Return for refund within: 30 days
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