STC8H1K08 minimum system board

Introduction: STC8H1K08 minimum system board USB burning

Schematic PCB

STC89C52RC patch to direct plug

Introduction: STC89C52RC chip to direct plug, the motherboard has its own crystal oscillator, its own pull-up resistor, its own power indicator light, and expanded program burning interface.

Schematic PCB

MINI handheld oscilloscope super MINI version

Introduction: MINI handheld oscilloscope, Lao Liu’s version of the oscilloscope. Main control; STC8A8K64S4A12. Boost: b628.

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MPU6050_DMP

Introduction: IMU design based on n76e003 and mpu6050

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STC8H3K32S2 drives backlit LCD voltage and current meter

Introduction: A voltage and ammeter driven by a 12-bit ADC enhanced stc8H3K microcontroller. Choose a 2-inch POS machine 12864LCD screen with backlight for 2 yuan. The total cost is about 10 yuan.

Schematic PCB

STC8H3K64S2 makes 12864LCD dual-channel voltage and current capacity meter

Introduction: The low-cost 12864LCD dual-channel voltage and current meter is made with a 12-bit ADC enhanced STC8H3K64S2 microcontroller. The microcontroller is about 3 yuan, and the TP09 op amp is about 0.6 yuan. The price of disassembling a 12864LCD screen from a POS machine is about 2-3 yuan. The total cost is about 12 yuan.

Schematic PCB

STC12C5A60S2 drives LCD1602 voltage and ammeter

Introduction: Use common existing stock components, the common STC12C5A60S2 microcontroller, and the disassembled LM358 as the current sampling amplification. Internal 10-bit AD converter, displayed with LCD1602 display.

Schematic PCB

STC12C5A60S2 drives 75 interface points P2.5 full color screen perpetual calendar clock

Introduction: This is a commonly used MSC51 microcontroller STC12C5A60S2 that drives a 75-interface RGB full-color screen perpetual calendar with 12 display modes. It uses a high-precision DS3231 clock chip. There is a light sensor, infrared remote control, and manual or automatic time and color change.

Schematic PCB

P100C electronic load made with STC8H1K17

Introduction: It is modified based on the semi-open source work of Digital Home friend @大刀杀 Pig. Measures 0-120V, current 0-15A, power 100W, fully CNC, low production cost.

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Breathing Light - Come and Come Again Team

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

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USB serial port automatic downloader

Introduction: USB to TTL module made of CH340N. It can be used to download programs for STC microcontrollers or ESP series microcontrollers, and has an automatic power-off cold start function.

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remote control car

Introduction: A simple remote control car that uses Hummingbird Wireless Ling-T3A as the transmitter module and Ling-R1 as the receiver.

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STC8G1K08A------core board

Introduction: The STC8G1k08A core board is used.

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QMK customized keyboard 84-key USB HUB verification board

Introduction: [QMK customized keyboard]: 84 array RGB, 5-level PWM backlight, rotary encoder, vial key change. 【USB2.0 HUB】: 1 to 3 USB2.0 hub.

Schematic PCB

Tianxuan Heating Station_Control Panel-Verified

Introduction: This project is the control panel of Tianxuan heating station - heating welding station - barbecue grill https://oshwhub.com/iceiceice/jia-re-han-tai. It can be installed directly on the bottom of this heating station.

Schematic PCB

Relay clicker

Introduction: Listen to the sound of the relay clicking.

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Adjustable brightness table lamp

Introduction: 2021 Ti Cup K Title Intelligent Adjustable Brightness Desk Lamp

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Simple stepper motor driver board with forward and reverse controller input terminals.

Introduction: A forward and reverse controller with expanded functions, very convenient for DIY control. And with 12V input to 5V control function. With program control, the main promotion is the Internet of Things smart home control series.

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USB to CAN debugger

USB to CAN low cost solution

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Design of drinking water reminder coaster based on stm32f0

Time is up, remind you to drink water!

Schematic PCB