Despite requiring some fine work, the mod isn’t that difficult. [joneeboi] sent in his DIY DAC mod how-to, and even better, it’s suitable for 3rd gen and 1st gen Nanos. The audio signal is ...

In the ESP32 module the built-in DAC and ADC are used for audio in and ... with no SSIDs and passwords to bother with. The DIY Walkie-Talkie circuit diagram. (Credit: Clemens Valens, Elektor ...

InnoSwitch3-EP family of off-line CV/CC QR flyback switcher ICs now feature 900 V PowiGaN switches.