SI4732 Receiver by M Khanfar
https://www.pcbway.com/project/shareproject/SI4732_Receiver_by_M_Khanfar_33c31f40.html Order pcb LINK ATMEGA328P-AU , Si4732 Board , its a Full SSB with a step from 50 Hz., AM sync detector . my project based on si4732 chip radio receiver , and provide the following frequency coverage based on firmware you install in it : FM 64-108 Mhz RDS supported AM/Medium Wave 520-1710 Khz ShortWave 2.3-26.1 Mhz LongWave 153-297 Khz Bandwidth Selection : 0.5 , 1.0 , 1.2 , 2.2 , 3.4 , 4.0 Khz ATMEGA328P-AU - Si4732 Board , its a Full SSB with a step from 50 Hz USB ASP Pin Out : USBasp 1 ------ ic pin15 (MOSI) 7 ------ ic pin 17 (SCK) 9 ------ ic pin 16 (miso) 5 ------ ic pin 29 (RST) 2 ------ VCC 4 ------ GND on board location : ic pin15 mosi located in k3_2 ic pin 16 miso located in k4_2 ic pin 17 directly on ic ic pin 29 located in RST pin plug VCC located in pin plug GND located in pin plug to install firmware google :si47xx firmware Hardware tools needed if you want to install .hex fil...