Arduino Nano adapter – without Arduino

Arduino Nano adapter. Matches all Arduino boards with pin layout of Arduino Nano.
Power supply 9V.
The following connectors can be used:
I²C SCL/ SDA 3.3V and 5V switchable.
A0-A3, A6, A7 (analog inputs and outputs)
Rx, TX (serial connection)
PD2-PD7 (digital inputs and outputs)
MOSI, SCK, B1, SS, MISO, B0 (SPI Serial Peripheral Interface)