Не советую выше 3.3в подавать, несмотря на то, что пишут китайцы. Если там нет конечно стабилизатора 3.3в
Моя переписка с китайцем:
The other problem is with LDO LM1117. Hope you will tell it to the factory. This board uses LM1117 chip (SOT-223 - 6.5 х 3.5 mm), so, I can connect it to 4.5 - 5 Volt, but can not apply 3.7 battery without boost-up, so, I need to increase 3.7 up to 5 and LDO will decrease it to 3.3V. I think the factory can change LDO to APL5901/2, MCP1825(S), GS2906, HT7833, TC1262, XC6203, AP2213, GS2905, GS2906, LP38691, TC1262, XC6203 or something like that to plug directly to 3.7V battery or 5V USB or AC adapter. It's easy but more effectively.
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11:55
JP0 and JP1 are short-circuited, and 3.7V can be used
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ESP32 Arduino LVGL WIFI&Bluetooth Development Board 3.5" 320*480 Smart Display Screen 3.5inch LCD TFT Module capacitive touch
US $12.21
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Fully charged battery is 4.2v. Probably, his voltage can kill ESP32.
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嗯
ASM也是0.8V压差的
ASM is also 0.8V differential pressure d