Antenna Tuning Unit for Radio Amateurs:
- LC- or CL-type antenna tuner, software selectable
- 256 capacitance values: 0..2.5 nF in steps of 10 pF
- 256 inductance values - 256 inductance values: 0..15 µH in steps of 60 nH
- controlled by an Arduino Nano
- powered by a USB power bank
- low current consumption (25..45 mA) by using bistable relays
- remote control via Bluetooth
- simple user interface using the Android app "serial bluetooth terminal"
- 10 memory buttons for recalling setups for different frequency bands
- open source hardware, open source firmware
have fun! 73 papamidas (DM1CR)