ATOM project

About

The project started as a learning exrecice to make a tiny some what low power esp32. The MCU thet was selected for it was the ESP32-C3FH4 with 4MB of built in flash and a total of 22 GPIO pins. More info about components are under each versions directrory since most componens differ.

Goals

• max size 1" x 0.75"
• < 500 mA peak
• < 5 mA deep sleep
• External antenna (U.Fl connector)
• USB-C (For flashing and powering.)
• 1s li-ion or lipo powered
• GPIO
  • min 4 Digital
    • SPI
    • I2C (IIC)
  • min 2 Analog

Some later goals are:

• max size 0.9" x 0.5" x 0.5"
• power LED (3.3v)
• lipo charging (Via USB-C.)

images:

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