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- Tue Jul 17, 2018 5:07 am
- Forum: Hardware
- Topic: Is there a schematic for the Heltec Automation ESP32 with OLED and Li-Ion charger?
- Replies: 2
- Views: 6126
Is there a schematic for the Heltec Automation ESP32 with OLED and Li-Ion charger?
I want to charge it with a solar panel and wonder if I can just connect it to the USB 5V with a diode to prevent battery discharge and if the Li-Ion battery will charge properly and the circuits won't get damaged with the 5W solar panel which can put out 7V on open circuit. The LoLin ESP8266 schemat...