Hi, no I didn't try the puya-firmwares, could not find these old releases. But I've found the reason - I've misinterpreted the instructions on https://www.letscontrolit.com/wiki/index.php?title=ESP-01#Wiring.2Fflashing The misinterpreted sentence was: In order to get the unit in flash mode the GPIO-...

Hello, I've tried different 2.x firmware versions (differnt dates, core250beta, minimal ESP8266 1024OTA, normal, ...) with an ESP01 PUYA, but I cannot get it running. Flashing is always finished successfully, but after powering off and on, there's no logging when connecting with putty to the module ...