ESP32

ESP32, CYD boards, MicroPython, MQTT, displays, small hardware experiments, and IoT prototypes.

  1. CYD ESP32 Bitcoin Lottery Miner Project Notes

    CYD ESP32 Bitcoin Lottery Miner Project Notes

    A practical note about using a CYD ESP32 board as a novelty Bitcoin lottery miner while learning SHA256, Stratum, mining pools, and embedded hardware.
  2. Cyd Bongocat Desktop Pet

    Cyd Bongocat Desktop Pet

    First, a Look at the Result The image below shows a little cat typing on a keyboard. Displayed above it is computer system information, such as CPU...
  3. Cyd Display PNG Images as a Full Screen Album

    Cyd Display PNG Images as a Full Screen Album

    First, Check Out the Result The images were generated using the Stable Diffusion WebUI (320 x 240 pixels). The images were then compressed and cropped...
  4. Cyd Turn on The Screen and Display Text

    Cyd Turn on The Screen and Display Text

    CYD I only learned today that the ESP32 board with a built-in screen I purchased is known as the "CYD"—short for "Cheap Yellow Display." Its specific...

  5. Configuring an ESP32 with MicroPython to Control a Power Switch via a Relay Using MQTT

    Hardware Components The previous article discussed the ESP32 code—specifically, how to integrate the MQTT library and configure the high/low logic...