Description: The light changes from bright to dark, and then gradually changes from dark to bright, feeling like a person is breathing. Widely used in digital products, computers, audio, automotive...
The assembly steps: Step 1: Welding circuit: Electric welding part is simpler, welding sequence according to the principle of component level from low to high, the first welding eight resistance,...
Feature: Easy to use 6 seconds voice recording, high quality, clear voice reduction, can be used as a micro recorder, recordingpen, megaphone, recording greeting card module, this module can...
Description: This is a Frequency Counter based on PIC microcontroller, add and subtract with crystal vibration measurement functions and programmable frequency Settings, five digital tube display, convenient and intuitive, easy to make. ...
Note: The transmitter frequency of the lowest 70MHz. Adjust L1 to adjust the firing frequency. When you have finished soldering, you can use do a little adjustment to receive the...
