This is the smallest Arduino in the world (10x10x10mm), fully functional without the need for additional electronics for programming or usage 😁
Every electronic component of the device is inside it's own PCB.
It have 10 PCBs on top of each other, each one with 2 layers, a total of 20 layers 😁
It have:
- Micro USB
- FTDI chip for USB-UART conversion
- Atmel 328
- A fewmore electronics like capacitors and resistors
- 8 pads for GPIO / Power