“You can’t put new wine in old bottles ... Instead, he drew up a simple schematic that used an Arduino Nano, an FM radio module based on the TEA5767, and an audio amplifier based ...

The Nano, on the other hand, comes in the smallest form factor Arduino ... You can only connect them to SPI components like the BME280 environment sensor, RC522 RFID module, and TFT display ...

inspiring [James] to design a completely new module based on an Arduino Nano. Hooking it up to the Psion’s data bus was a simple matter of wiring up the eight data lines to the Nano’s GPIO ports.