Cricket ONE is an Arduino compatible board in Raspberry Pi form factor

The Cricket ONE is the first in a series of small microcontroller boards using the familiar form factor of the Raspberry Pi Zero series of single-board computers. Featuring an ATMEGA328PB and CH340C USB to UART converter, this board is Arduino IDE compatible and includes all of the features of the newer ATMEGA328PB.

Basic Specs:

• ATMEGA328PB at 20 MHz (16 MHz Beta)
  • Arduino Compatible w/MiniCore
• CH340C USB to Serial adapter
  • Supports board reset for automatic download
  • No external crystal necessary
• 1A 3.3V LDO to support peripherals
• Program download and power over microUSB
• RPi-compatible pinout and mechanical design
  • Works with many HAT’s
  • Fits existing cases

The board is on sale at Tindie for 7 USD.