T12 soldering iron 1.0

Introduction: A portable T12 electric soldering iron pen developed based on ESP32. It has PD100W deception, OLED display, adjustable temperature, posture wake-up, multi-function settings, power-off storage, automatic sleep, OTA and other functions.

Schematic PCB

Simple electronic load 2.0

Introduction: A beggars version of a simple constant current electronic load meter

Schematic PCB

ESP8266 spot welding machine 3.0

Introduction: The handheld spot welding machine based on ESP8266 module control supports 1800A high current lithium battery spot welding and has functions such as voltage measurement, welding parameter setting, mode switching and display.

Schematic PCB

ESP8266 spot welding machine 2.0

Introduction: The handheld high-current spot welding machine controlled by the ESP8266 module has functions such as voltage measurement parameter setting mode switching and display.

Schematic PCB

ESP82 USB-V

Introduction: A TYPE-C interface voltage and current meter built based on ESP8285 has functions such as high-precision voltage and current measurement, serial port download, communication, temperature detection, etc. It collects voltage and current through INA226. 0.96TFT display CH340E download and burn.

Schematic PCB

ESP82 936 Soldering Iron 5.2

Introduction: The portable 936 electric soldering iron soldering pen developed based on ESP82 has PD100W deception, OLED display, adjustable temperature, voltage and current detection, posture wake-up, multi-function settings, power-off storage, automatic sleep, one-click download communication and other functions

Schematic PCB

DAP-LINK

Introduction: The privately customized version of DAPlink emulator supports TYPE C and Micro-B data line interfaces, strengthens 3.3V power output, and adds ESD overvoltage and overcurrent protection and other functions.

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ESP8266 speedometer

Introduction: A multi-purpose speedometer developed based on ESP8266 chip

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936 Soldering Iron 5.0

Introduction: Portable 936 electric soldering iron soldering pen developed based on ESP32, with PD100W decoy, OLED display, adjustable temperature, voltage and current detection, temperature and humidity detection, posture wake-up, multi-function settings, power-off storage, automatic sleep, one-click download communication and other functions.

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Triangle PCB ruler

Introduction: A ruler that can be used for free.

Schematic PCB

#The7thLiChuangElectricityContest#USB Ammeter

Introduction: Based on the N32G430C8L7 ammeter, you can switch between fast charging and no fast charging mode through the switch. It supports up to 10V 6.5A fast charging.

Schematic PCB

USB voltage and ammeter-ESP-01S

Introduction: USB voltage and ammeter based on ESP-01S, size is 5x1.9x1.1cm.

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STM32G0 oscilloscope pen

Introduction: Oscilloscope pen based on STM32G030

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STC8G1K color oscilloscope

Introduction: Oscilloscope toy based on STC1G08A-SOP8

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STC oscilloscope pen

Introduction: An upgraded version of the 8-pin oscilloscope. It replaced the 8G1K17 chip and drew a board to make an oscilloscope pen. It newly supports PWM output and multi-channel ADC.

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【Verified】MS5510 ADC verification board

Introduction: Test board based on Ruimeng/TI 5510 8bit20Msps ADC

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Real-time attitude display TREBLE

Introduction: This real-time attitude display demonstration based on the N32G430 series MCU as the main control realizes the collection of attitude data and converts it into the real-time attitude of the module and displays it on the OLED. It can also be reported to the four-axis host computer through the serial port. Real-time attitude displayed on board.

Schematic PCB

#The7thLiChuangElectricityContest#USB Table

Introduction: Developed using National Technology's MCU, it supports PD fast charging and is available in two versions: 5-20V and 12-26V, for user convenience.

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Simple electrical impedance tomography experimental system

Introduction: A simple electrical impedance tomography experimental system designed based on esp32pico-d4, used for research experiments in related disciplines.

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Thermometer Course Design 2.0

Introduction: Thermometer made using STM8S, DS18B20, OLED. GDUT’s microcontroller course design is shared with all alumni.

Schematic PCB