New CH552 firmware for Short-Wifi-Issue of M5Atom/Stick/TimerCAM/etc.
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Re: Short Wifi effective range and IO0=3.9V issue with Lite and Matrix
This issue has been fixed with "IO0-pullup-OFF" firmware for CH552 (GREEN LINE).
https://sohtamei.github.io/docs/esp32AndUsbUartWith5V_IO_Issue.html
https://sohtamei.github.io/docs/esp32AndUsbUartWith5V_IO_Issue2.html
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Thanks for this! The new firmware corrects the wifi problems I've experienced with the Atom Lite, but it makes getting into bootloader mode very difficult. Any suggestions?
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