Note: This product is a DIY kit and needs to be soldered and assembled by yourself. The electrochemical formaldehyde module is a general-purpose, miniaturized module. Using the electrochemical...
DSO Shell (DSO150) Oscilloscope DIY Kit: 1. DSO Shell has similar bandwitch as DSO138 though it contains significant improvements in structure, mechanical, and operation. 2. Display and MCU are now...
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)...
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: 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...
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...
