Graduation design of water level control system

Alarm Generator-Course Design

Course design of 5 1 single chip microcomputer frequency meter

5 1 Single Chip Microcomputer Parallel IO Port Directly Drives LED Display-Course Design

Using AT89S5 1 single chip microcomputer to indicate the state of multi-way switch-course design

Making Manual Counter with AT89S5 1 Single Chip Microcomputer-Course Design

Design of Digital Voltmeter with AT89S5 1 and ADC0809 —— Course Design

Manufacture of digital display experimental power supply

20W Single-ended Pure Class A Power Amplifier

A Simple and Easy FM Transmitter

Telephone automatic recording control device

Practical door-controlled burglar alarm

15W transmitter power amplifier circuit

Door lock alarm with time identification function

Making Half-duplex Intercom with LM386

Making 50W Power Amplifier with LM3886

2× 15W power amplifier circuit with minimum peripheral components

Homemade infrared wireless headphone

Infrared automatic hand washing device composed of LM567

Design and implementation of infrared remote control password lock based on single chip microcomputer

Circuit design of pressure measurement display module based on single chip microcomputer control

Intelligent voice dialing alarm system