This Nixie-inspired ESP32 clock uses ST7789 LCDs to mimic the tubes affordably. ESP32-S3 controls each tube via small round interface PCBs for power and signals. LCD 'tubes' do more than tell the time ...
Tworzę licznik energii z ESP32CH340, PZEM-004T v3.0 10A i wyświetlaczem ST7789. Potrzebny kod Arduino do pomiaru napięcia, mocy i kWh z odpowiednimi połączeniami.
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