Loli 6 channel receiver

Introduction: A program based on Loli open source is transplanted to STC8G1K08 microcontroller

Schematic PCB

F4 flight control

Introduction: F4 flying machine flight control
main control uses stm32f411ceu6
gyroscope for mpu6000 (SPI link
supports up to 8k rate
bec: 5V up to 3a
matekf411 firmware
supports BF firmware
INAV firmware

Schematic PCB

ELRS receiver

Introduction: elrs model aircraft receiver
high refresh rate long-distance sx1280 module
2.4GHz ExpressLRS Lora
Betaflight
Inav traversing machine Fpv
power supply uses two LDOs to supply power separately to improve stability

Schematic PCB

Time traveling machine black box

Introduction: Time Travel Machine Black Box

Schematic PCB

2.5 inch rack

Introduction: The 2.5-inch rack
is compatible with 16 holes and
is compatible with 20 holes and
is compatible with 25.5 holes.
Aluminum basic material has a certain degree of toughness. Fried chicken is not easy to break the machine arm.

Schematic PCB

LM2596S adjustable power supply

Introduction: This project is based on the design of the adjustable voltage output module of LM2596S. LM2596S outputs adjustable voltage, 7805 outputs 5V, and ASM1117 outputs 3.3V. It can meet the daily adjustable power output with low requirements.

15v power amplifier

Introduction: A power amplifier circuit with a power supply voltage of 15v connected to a speaker with a power of 10w and a resistance of 10R

Schematic PCB

Four-layer FOC driver board based on DRV8301 and STM32F4

Introduction: My design skills are limited. The size of the four-layer PCB is 10cm*10cm. The driver chip is DRV8301 and the MCU is STM32F407ZGT6. This is the first time I draw a driver and a four-layer PCB. It is purely for graduation. Don't expect performance. I will give you criticism and be a negative example.

Schematic PCB

AI01 Voice Infrared Remote Control

Introduction: This design of Tuya's intelligent AI voice universal remote control uses the VWXR2-ES online voice module of Tuya's zero-code development solution as the main control core design solution;

Schematic PCB

#The 4th Startup Contest#Servant--a little servant always on standby

Introduction: Application of DAC Waveform Synthesis Technology

Schematic PCB

windows hello module adapter board

Introduction: windows hello

Schematic PCB

#The7thLiChuangElectricityContest#USB Ammeter

Introduction: Using the National N32G430C8L7 chip to realize the USB voltage and current display function

Schematic PCB

Huimang MS80FXX01 Experimental Board

Introduction: This FT60F011A experimental board was made based on the masterpiece "Weimang Micro FT60F011A Programmer" by digital forum kkstun.

Schematic PCB

Dual-port USB3.0HUB squeezes out the performance of TUSB8020

Introduction: This project is used to verify the solution verification board design of Lichuang Mall USB chip/TUSB8020BPHP (mall number C205982)

Schematic PCB

Hole board 10*10

Introduction: This is my first open source project. I simply drew a perforated board. I will open source more projects later.

Schematic PCB

[Training Camp] Robot dog based on Huawei Hongmeng Hi3861 module

Introduction: Based on Huawei Hongmeng Hi3861 module, implement a small robot dog

Schematic PCB

Walnut shake surface sticker drawing

Introduction: Kason was originally printed on paper, but some people complained that the printed images were low in pixel and color, and they were easy to break, and it was troublesome to cut them by yourself.
It is printed on the Lichuang panel, which is directly laser cut, and the patterns are printed on both sides, with a very good effect.

Chip storage collection board

Introduction: SOP16, SOP14, SOP8 chip storage board.

Schematic PCB

RGB mosquito coil

Introduction: RGB mosquito coil, WS2812 mosquito coil, just a string light.

Schematic PCB

WS2812-16X16 dot matrix open source

Introduction: 16X16 WS2812 dot matrix, PCB size 12cm*12cm, can be printed for free in JP.

Schematic PCB