![A few questions about re creating vintage amplifier using ac187/188 K germanium pairs | Page 2 | diyAudio A few questions about re creating vintage amplifier using ac187/188 K germanium pairs | Page 2 | diyAudio](https://rcl-radio.ru/wp-content/uploads/2014/10/76978561927868717.png)
A few questions about re creating vintage amplifier using ac187/188 K germanium pairs | Page 2 | diyAudio
ESP8266/ESP32 | Hi thanks for the add, I have an ESP-12e, I have tried tripping a 3v relay (SRD-03VDC-SL-C) GPIO4, via Domoticz, the GPIO4 changes state when I want i...
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