DIY Radio Electronics Suite 51 Single Chip Microcomputer FM Voice Machine TEA5767 Mini Digital Radio

Feature: Board size: 7.7 x 6.1cm Operating voltage: DC 4.5V-5.5V DC power supply, inside positive outside negative, do not connect reverse FM range: 87MHZ-108MHZ FM step: Click once step 0.1MHZ, long press FM button can add and subtract continuously Function: Digital display frequency function, power off memory function, power saving function With power-off memory function Introduce 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 beautiful Speaker: 2W 8ohm

Package includes: 1 x PCB board 1 x 262 small antenna 1 x 0.56 inch 3-digit common cathode digital tube 3 x 100UF 50V electrolytic capacitor 2 x 10UF 25V electrolytic Capacitors 3 x 22P ceramic capacitors 4 x 104 monolithic capacitors 1 x 8*8 self-locking switch 1 x 7MM high self-locking switch cap 1 x DC005 socket 1 x 4.7 ohm resistor 11 x 10K resistor 1 x 220K resistor 5 x 9012 triode 1 x 13.56M crystal 1 x TEA5767 radio module 2 x 6*6*20 button 1 x 2*5*7 LED 1 x 50K dial potentiometer 1 x 8P IC socket 1 x 40P IC socket 2 x LM386 chip 1 x STC89C52 (program burned) 1 x Acrylic plate (set) 25 x M3*8 screws 25 x M3 nuts 5 x 10MM Double Copper Post