Radio production kit TEA5767 digital broadcasting kit 51 microcontroller DIY loose FM digital radio

Circuit board size: 7.7CMX6.1CM;

Shell size: 8.4cm * 6.8CM * 5.2CM (old model) 8.4cm * 7.6CM * 5.5CM (new model)

Working voltage: DC 5V DC (positive and negative inside the DC socket, do not connect it in reverse)

Frequency modulation range: 87MHZ-108MHZ;

Frequency modulation button: Press the button once to set it to 0.1MHZ, and long press the frequency modulation button to continuously increase or decrease;

Weight: New loose parts+horn+screws=115G+shell=185G+power supply=265G

Old style loose parts+horn+screw=115G+shell=181G+power supply=260G

Functions: digital frequency display function, power outage memory function, and power saving function;

Power off memory function: After turning off the power, power on again and play the radio station before the power off.

Power saving function: 1. After each power on or pressing the FM key, the Nixie tube displays the frequency for 5 seconds, and after 5 seconds, the Nixie tube display will be automatically turned off

2. Causes: (1) Power saving; (2) Nixie tube will interfere with the sound when displaying, and the interference will be reduced when Nixie tube is turned off.

Data description: The product comes with a manual, which contains a QR code and graphic information