51 microcontroller countdown 120 seconds C program

51 microcontroller countdown 120 seconds C program

Schematic PCB

Electronic clock (with temperature measurement function) with schematic diagram and source program

Electronic clock (with temperature measurement function) based on 51 microcontroller comes with schematic diagram and source program. The main functions include: time, alarm clock, hourly time, and temperature.

Schematic PCB

Intelligent farmland supervision system based on ucosIII and STemwin

Intelligent farmland supervision system USART1 sends text messages USART3 uploads data UART4 receives Zigbee data

Schematic PCB

Electric vehicle charger source program based on ATmega48PA chip, including PCB board

The charger program written with STM8S003 has positive and negative pulses throughout the process, anti-reverse connection, scheduled shutdown during charging, and negative pulses to repair the battery later.

Schematic PCB

Make your own smart home wireless alarm with AT89C2051

Use AT89C2051 to make your own smart home wireless alarm.

Schematic PCB

Nuvoton NUC501 MCU micro thermal printer solution circuit diagram and source code

The composition and working principle of the micro thermal printer based on NUC501MCU are analyzed in detail, and the design and implementation of thermal head overheat protection and stepper motor drive module are given.

Schematic PCB

Double self-balancing trolley

Double self-balancing trolley stm32

Schematic PCB

51 single chip stepper motor

Stepper motor source code.

Schematic PCB

Small quadcopter DIY

IAP15W4K58S4-Small quadcopter DIY

Schematic PCB

Design program of password lock based on microcontroller

51 microcontroller password lock LCD display

Schematic PCB

Blood pressure monitor design based on MSP430F149

Based on the blood pressure monitor design of MSP430F149, the project file may not be opened. Please create the project by yourself and add several other *.c *.h files at a time according to the file names contained in the main file. There may be some problems with the final result, but the basic idea is correct. If you modify it a little, you should get the correct result.

Schematic PCB

51 car automatic tracking program source code

51 car, automatic tracking, source code

Schematic PCB

The second prize source program of the 9th Freescale South China Optoelectronics Group is the program used in the competition without reservation.

It must be 10 points. This is the result of my three months. It is a program for competition. You can download it. If you don’t understand, you can ask.

Schematic PCB

Intelligent access control system

Intelligent access control system, perpetual calendar display, remote control switch, door power failure, storage record of the number of people entering and exiting

Schematic PCB

MSP430F149+1602 digital display and real-time clock

MSP430F149+1602 digital display and real-time clock

Schematic PCB

MSP430 microcontroller controls tank target shooting C language source code

MSP430 microcontroller controls tank target shooting C language source code

Schematic PCB

Traffic light control system based on 51 microcontroller

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

Schematic PCB

51 microcontroller infrared decoding data + source code

51 microcontroller infrared decoding data + source code

Schematic PCB

Single chip digital voltmeter design

Learning about microcontrollers is a small example of microcontroller design that is very suitable for beginners and should not be missed.

Schematic PCB

Fully automatic washing machine design

This article designs a fully automatic washing machine control system with the AT89C51 microcontroller as the core. This system realizes the control of the entire washing process of the washing machine, including the four stages of user program input, washing, dehydration and end alarm. Laundry control system based on AT89C51 microcontroller, the control panel consists of buttons, indicator lights and LCD display. The buttons select the working mode of the washing machine and the start and pause functions. The indicator lights work with the buttons, and the LCD display shows the working mode of the washing machine. The overall circuit module of the washing machine includes four independent keyboards, indicator lights, motor control and LCD display.

Schematic PCB