BLHleli ESC

Introduction: Open source ESC
BLHleli ESC, brushless motor drive, ESC
is for reference only

Schematic PCB

[Spark Project] The most beggar 17+4+ touch mechanical keyboard PRO

Introduction: The orthodox sequel to the most beggar's touch numeric keyboard, this time the code will be open sourced for the first time.
Don't say that you, the author, don't follow martial ethics. I just created your old project and you updated it.
The functionality and practicality completely surpass the previous version. Moreover, it was published one and a half years apart

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The most beggar 61+3 keyboard (10cm spliced ​​version)

Introduction: 3 pieces of PCB within 10x10cm are spliced ​​together to form the most beggar 61+3

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USB-Converter-Board

Introduction: USB2USB keyboard converter, connects SparkFun Pro Mini/Micro core board and USB Host Shield Mini expansion board.

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si4844 mechanically tuned digital display full band radio

Introduction: stm32F103C8T6 Arduino For ARM si4844 mechanically tuned digital display full-band radio with super good sensitivity. The shortwave and FM antennas are only 37CM ​​and have basically the same effect as the Tecsun PL600.

Schematic PCB

Solder paste extrusion

Introduction: 10cc solder flux extruder, just play with it and contribute to the open source cause.

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Wandering Wild King——Butterfly

Introduction: First Prize in the 2022 Electrical and Electronic Breathing Lamp Design Competition of the School of Electrical Engineering of Guangzhou City Polytechnic Institute

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StlinkOB_V2

Introduction: stlink v2.1

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FOC_Drive

Introduction: Dual-channel brushless DC motor driver
control board link: https://oshwhub.com/xue_jingfei/foc_pro

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24X16 wireless dot matrix display

Introduction: 24X16 wireless receiving dot matrix display based on STC8F2K16S2 and 24L01

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[Open Source XRC Remote Control] Version 4.1 updated, the data is open source

Introduction: The XRC remote control is a multi-functional open source remote control based on the STM32F4 platform, with a Chinese interface, 32 channels, 3.5-inch capacitive screen, supports ELRS tuner, supports Mavlink protocol, supports picture browsing, e-books, video playback and NES Games, gravity sensing.

Schematic PCB

huanggua69v2

Introduction: I made a keyboard with a 70mm keyboard when I had an idle low switch. It only supports cherry low switch lights and bottom lights. RGB shell. The 3D printing board is compatible with the 60 shell.

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T65 electric iron

Introduction: modified from MINI T12

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MINI T12

简介：MINI T12

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usb_dac_stm32

Introduction: Use STM32F401 as USB asynchronous audio output I2S, ES9023 as DAC, optional power supply + amplifier circuit.

Integrated board

Introduction: 2022 Graduation Project

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STC Oscilloscope Pen-Battery Version (Third Party Version)

Introduction: Clone of Eltecz's STC oscilloscope pen project

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LED running water lamp

Introduction: With the progress of the times, the emergence of this fruit knife with running water lamp function has filled the gap of not being able to see the running water lamp when peeling apples (dog head saves life)

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Smart watch-puls version

Description: A small watch

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OLED Smart Watch

Introduction: This smart watch is made of STC15W408AS microcontroller, with alarm and calendar functions.
It has touch buttons and can also be controlled by sending messages through the serial port.

Schematic PCB