TEA5767 DC 4.5V-5.5V DIY Mini Digital FM Radio 87MHZ-108MHZ 2W 8ohm Speaker Electronics Kit

Feature Board size 7 7 x 6 1cmOperating voltage DC 4 5V 5 5VDC power supply inside positive outside negative do not connect reverseFM range 87MHZ 108MHZFM step Click once step 0 1MHZ long press FM button can add and subtract continuouslyFunction Digital display frequency function power off memory function power saving functionWith power off memory functionIntroduce the power saving function After each power on or press the FM key the digital tube displays the frequency for 5 seconds After 5 seconds the digital tube display will be automatically turned off There are two reasons for this design 1 is power saving and 2 is the digital tube Disturbing sound when displayed turning off the digital tube monitor the sound is more beautifulSpeaker 2W 8ohmPackage includes 1 x PCB board1 x 262 small antenna1 x 0 56 inch 3 digit common cathode digital tube3 x 100UF 50V electrolytic capacitor2 x 10UF 25V electrolytic Capacitors3 x 22P ceramic capacitors4 x 104 monolithic capacitors1 x 8 8 self locking switch1 x 7MM high self locking switch cap1 x DC005 socket1 x 4 7 ohm resistor11 x 10K resistor1 x 220K resistor5 x 9012 triode1 x 13 56M crystal1 x TEA5767 radio module2 x 6 6 20 button1 x 2 5 7 LED1 x 50K dial potentiometer1 x 8P IC socket1 x 40P IC socket2 x LM386 chip1 x STC89C52 program burned 1 x Acrylic plate set 25 x M3 8 screws25 x M3 nuts5 x 10MM Double Copper Post