Traffic light control system based on 51 microcontroller

With timing settings, night mode, manual control and other functions

Schematic PCB

An infrared sensor timer based on msp430F149

An infrared sensor timer source code based on msp430F149

Schematic PCB

Develop data acquisition system using SPCE061A

Using SPCE061A to develop a data acquisition system has great market prospects. First of all, its easy-to-learn and easy-to-use programming voice and development environment allow beginners to get started quickly; secondly, it has a modular structure and built-in 7-channel 10-bit AD, simplifying the user's circuit design; thirdly, it has voice Recognition and audio processing functions allow users to develop more intelligent products

Schematic PCB

4A CNC regulated power supply design

Two outputs: 1: 0-30V/4A 2: 5V/1.5A (fixed output) Voltage resolution 0.458mV, current resolution 0.076mA Voltage step 0.0073V, the actual 0.1V step adjustment reset circuit is Both 51 and AVR are compatible. You can't solder all four original components. You can solder the reset circuit according to which chip you use!

Schematic PCB