Acknowledgement : This is the work of UR5FFR, and is ongoing - always adding more features to this little marvel. Thanks for making this available for the ham community. Open source software means any ham radio operator can customize to his needs !

The board features many Goodies listed below

CPU: Atmega328P

PLL: Si5351 and/or Si570

Onboard clock chip with backup battery

Display: OLED 1.3" 128/132x64, OLED 0.96" 128x64

Encoder: mechanic rotary encode

Keypad: 4 buttons

Support different TRX architecture:

1. Single IF superheterodyne.

2. Direct conversion with 2x or 4x output.

3. Direct conversion with quadrature output.

Builtin CW key: auto/iambic mode, 2 phrase memory, Morse decoder

VFO A/B, SPLIT, calibrated S-meter.

Support CAT (KENWOOD protocol)

Control attenuator, LNA, 5 band BPF without decoder and 16 band with external decoder

Firmware is opensource and available on github