RTC07S (low cost Si5351 transceiver controller)

Low Cost Radio Transceiver controller *. 8 Digit 7 segment *. ATMega16 controller *. Si5351 synthesizer (LO & BFO) *. VFO frequency out (0.1 – 99 Mhz) seven segment digit limitation, not the chips *. Adjustable IF/BFO frequency setting *. USB-LSB-AM mode control pin out. *. 2 push button (mode and setting) *. 1 ADC input 0-2.56V for s-meter *. 1 DI/O for RX/TX *. 3 DI/O for mode (USB/LSB/AM) out control *. 7 LED Smeter indicator https://diankurniawan.wordpress.com/2018/06/25/rtc07s-super-low-cost-si5351-transceiver-controller/