• ESP32 Relay Automation Board

    ESP32 Relay Automation Board

    2-layer SMD-only ESP32 DevKit V1 relay automation carrier board with LM2596 module pads, ULN2803A driver, relay wire pads, LEDs, pull-downs, and no drilled holes.

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    hari-d-04

    3 months ago

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  • Costly Ivory Mr. Fusion

    Costly Ivory Mr. Fusion

    Relay HAT Schematic – Post‑Validation Fix Plan (ULN2803A, Buck → Pico, LEDs, Optos, Testpoints)

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    bwangerin55

    8 months ago

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  • DYI Stopwatch clock (Arduino nano)

    DYI Stopwatch clock (Arduino nano)

    Project featuring stopwatch based on Arduino nano and DYI 7 segment clock with max7219 and ULN2803A transistor array. For comunication project uses nRF24L01. #Arduino #Nano #Shield #project #nRF24 #max7219 #ULN2803A #Stopwatch #Firefighting_sport

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    soudruhromancz

    a year ago

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