Feature: Model: EH-30. Working voltage: DC3.3-5V or 3*AA battery. Speed: Adjustable. PCB size: 74.4 x 43.7 x 24mm. Color: Red LED. Package includes: 3 x DIY Electronic...
Description: The newly developed primary coil of this product is already in the PCB board, no need to be wound on the outside, which is convenient for the fans...
Description: The suite,adopt a warning lamp circuit NE555 and CD4017 chip simulation to make blue LED and red LED flashing, respectively, according to the pulse adjusting RP1 flicker frequency...
Working principle: Using the SMD CD4060 control 12 red, yellow and green LED flashing, adjust RP1 can change the speed of flashing, while the music chip issued a wonderful music....
Description: It does not require programming or a microcontroller, so please do not provide the code. It does not provide power, you can use the charging treasure (5V DC)...
Description: ICL8038 is a kind of monolithic function signal generator with excellent performance. It can generate sine wave, triangle wave, square wave and square wave. Feature: Operating voltage: DC12V. Working...
