9003 Minimal System Board

Introduction: 2022, entry-level 51 microcontroller, the smallest system board for microcontrollers

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STC32G12K128/STC8H8K64U development board

Introduction: This is a STC32G12K128-LQFP64/STC8H8K64U-LQFP64 fully compatible development board. It integrates an automatic download function and provides HID mode download and test ports. All IO ports are doubled.

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STC8G2K64S4 development board

Introduction: The STC8GK60S4 development board has an automatic download circuit and all IO ports are led out.

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STC8A8K64D4 development board

Introduction: Based on STC8A8K64D4-45I-LQFP64 main control chip design, with serial port automatic download function, all IO ports are doubled, with 2.5V ADC reference voltage based on tl431, reset circuit and external crystal oscillator circuit are optional

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STC15W408AS system board

Introduction: Based on STC15W408AS microcontroller design, all pins are lead out. The first version uses CH340C to convert to serial port, and the second version uses CH340G. It is compatible with the previous version, supports automatic download, uses USB 5V power supply, and has 3.3V and 5V external power supply pins on the board. foot

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STC15F2K61S2 development board

Introduction: The main control chip of the STC15F2K61S2 development board is the STC8F2K16S2-28I-LQFP32 microcontroller. It is also compatible with: STC8F2K16S2-28I-LQFP32 microcontroller.

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STC15F2K60S2 development board

Introduction: STC15F2K60S2 development board, with automatic download circuit, STC-ISP software does not require manual reset when downloading programs, with 3.3V and 5V power supply interfaces, P54 reset button, optional external crystal oscillator circuit, P0 port has been pulled up, P1.0 is Onboard LED lights.

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STC12C5A60S2 development board

Introduction: STC12C5A60S2 development board, with automatic download circuit, all IO ports are led out, and a reset button

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STC/IAP15W4K61S4 development board

Introduction: The STC/IAP15W4K61S4 development board is a microcontroller development board based on the STC/IAP15W4K61S4-30I-PDIP40 main control core. It has an automatic cold start function, all IO pins are doubled, and the board has 5V and 3.3V power supplies.

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51MiniSystem

Introduction: A simple 51 minimum system board

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usb2lpt usb to parallel port tool

Introduction: USB to parallel port tool that supports programmers and debuggers

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ch55X burning adapter

Introduction: usb hardware for ch55x into BootLoader. Insert the USB female connector, press the switch and then insert it into the computer to make the chip enter the BootLoader, which can be used to re-program the finished product.

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u disk demo

Introduction: 16mb USB flash drive

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Embedded IR control

Introduction: None

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44+44 key dual master keyboard

Introduction: 123

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WS2811 decoding amplifier for high power RGB LED light control

Introduction: This is a control card that uses the WS2811SPI bus to control high-power equipment. There are 12 output channels in total, and the theoretical current of a single channel can reach 15A.

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Raspberry Pi G-Code HAT

Introduction: Raspberry Pi HAT for Voron 2.4 3D printer

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ATtiny13 TinyTacho

Introduction: Simple tachometer (RPM-Meter)

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STC8H8K64_UBoB core board

Introduction: STC8H8K64-LQFP48 core board

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Weiner SP200S programmer#

Introduction: The homemade SP200S programmer can write simulation firmware for SST89E516 and SST89E58 chips. Fix the SST chip that cannot be emulated or downloaded due to firmware issues.

Schematic PCB