Electronic scale solution, schematic diagram and program based on AT89C51

Electronic scale solution, schematic diagram and program based on AT89C51

Schematic PCB

Based on AT89S51 digital electronic code lock

Digital electronic combination lock. Based on chip AT89S51. Choose LED to display the results. Contains circuit diagram

Schematic PCB

Mouse circuit diagram, PCB and source code based on CY7C63723/CY7C63722 chip

Mouse circuit diagram, PCB and source code based on CY7C63723/CY7C63722 chip

Schematic PCB

Realizing LED reading of remote control key values ​​based on microcontroller (program and circuit diagram)

Microcontroller realizes the program of LED reading remote control key value

Schematic PCB

Snake based on microcontroller (schematic PCB source program simulation file)

The microcontroller production contains schematic pcb diagram source program simulation files

Schematic PCB

Intelligent LED desk lamp design based on microcontroller_with circuit diagram, finished product demonstration diagram, and source program

This article introduces the framework structure and component modules of the design as well as the principles of each module. It also introduces the hardware design of each part, the software design of each part, and the software flow chart. The design is an intelligent LED desk lamp integrating multiple functions with STC89C52 microcontroller as the control core. The desk lamp realizes the function of automatically detecting whether there is someone in the room and automatically turning on/off; the desk lamp brightness has an adjustment function; it has a time display function; it has a temperature display function; and it has an alarm function. The hardware design is divided into eight parts, including the microcontroller control module, button module, desk lamp module, temperature module, clock module, alarm module, display module, and infrared sensing module. The microcontroller control uses STC89C52, the display module uses LCD1602C liquid crystal to display temperature, time, date, etc., the button module is used to adjust time, date, LED brightness, etc., the clock uses DS12C887 clock chip, and the desk lamp module uses 16 LEDs and uses a buzzer. The device emits an alarm sound, the temperature sensor uses a DS18B20 chip, and the human detection device uses a BIS0001 infrared thermal sensor. The software design is written in microcontroller C language and realizes all control functions.

Schematic PCB

UDP test based on STM32 and network chip W5200

UDP test based on STM32 and network chip W5200

Schematic PCB

Computer USB-based massager (including schematic diagram and source program download)

Including schematic diagram and source program download, the microcontroller is PIC12F629.

Schematic PCB

Network card driver and LWIP protocol transplantation program source code for Ethernet communication module based on LPC2138 and DM9000AE

The network card driver and LWIP protocol transplant program source code for the Ethernet communication module based on LPC2138 and DM9000AE written by myself.

Schematic PCB

Ultrasonic-based distance meter (including schematic diagram, program source code and related debugging instructions)

Detailed description: Ultrasonic range finder (including schematic diagram, program source code and related debugging instructions, as well as some reference materials, in short, a complete set of information for developing ultrasonic range finders)

Schematic PCB

GPS/GPRS logistics protocol vehicle terminal source program based on NXP LPC2387+UCOS-II

Version V0.2 Completed and verified functions: 1.GPS receiving function 2. Self-detection function 3. Login to server function 4. Reconnect to server function

Schematic PCB

Pocket oscilloscope source code based on STM32, has been tested and passed

Solemn statement: This is an open source product and can only be used for learning and communication. Commercial use is strictly prohibited, otherwise we will pursue legal liability. Your use of our source code indicates your acceptance of this statement. Qdso is a well-designed pocket oscilloscope with 40M bandwidth, 200M sampling rate and 3.5-inch TFT color screen. The overall design controller uses nios ii soft core; AD9288-100 cross sampling rate reaches 200M real-time sampling, and the display part uses RA8872 that supports double buffering and 2D drawing acceleration to achieve high-speed waveform drawing and display. And we will make the source code and detailed tutorials public for everyone to DIY and learn from.

Schematic PCB

Single-chip wireless dual-display answering machine based on AT89S51 (with papers, circuit diagrams, and C language programs)

This design is a system built using AT98C51 microcontroller. The wireless answering terminal uses a combination of PT2262 transmit encoding chip + F05P transmit module (including thesis description, circuit diagram, and C program are complete)

Schematic PCB

51 Make a perpetual calendar (schematic diagram, program)

51 Make a perpetual calendar (schematic diagram, program)

Schematic PCB

Design of motor speed measurement system based on microcontroller (defense version) complete graduation thesis with pictures and source program

This design mainly uses AT89C51 as the control core, which is composed of Hall sensor, LED digital picture tube, HIN232CPE level conversion, and RS232. The measurement speed system of the microcontroller and the serial communication between the PC and the microcontroller are introduced in detail. Give full play to the performance of the microcontroller. The focus of this article is to measure the speed and display it on the 5-digit LED digital tube.

Schematic PCB

Stepper motor control based on 51 microcontroller - design report (instruction manual) and source program

Stepper motor control based on 51 microcontroller

Schematic PCB

Waveform generator including schematic diagram + circuit diagram + program

The microcontroller uses MCS-51 series 89C51 (one piece), 74LS244 and 74LS373 (one piece each), inverting driver ULN2803A (one piece), and operational amplifier LM324 (one piece)

Schematic PCB

Digital voltmeter based on microcontroller (circuit diagram)

Digital voltmeter based on microcontroller (circuit diagram)

Schematic PCB

Automatic round trip car report based on Launch_pad (program + schematic + PCB)

The MSP430 microcontroller is used as the detection and control core of the car; a photoelectric sensor is used to detect the black belt on the road, and the feedback signal is sent to the MSP430 microcontroller, so that the MPS430 microcontroller controls the car to drive at a predetermined speed in each area according to the predetermined working mode, and The MSP430 microcontroller can control driving in different directions depending on the working mode selected; the Hall element A44E is used to detect the driving speed of the car; the 1602LCD is used to display the driving time of the car in real time. After the car stops driving, the driving time, driving distance and each speed zone of the car are displayed in turn. Travel time. This design has a simple structure and is relatively easy to implement, but it is highly intelligent and humane, and reflects intelligence to a certain extent.

Schematic PCB

Design and implementation of MP3 player based on STM32 (MDK complete source code provided)

A design example of implementing a simple MP3 Player using an STM32 processor. This comprehensive application example helps readers understand the applications of STM32, SPI interface, SD card, TIMER, interrupts, FAT file system, USB, etc.

Schematic PCB