Protues simulation example (8051)-PWM wave output (adjustable)

Protues simulation example (8051)-PWM wave output (adjustable)

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Single phase electricity meter

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Open source power supply EEZ BB3: based on stm32 H7 main control board, voltage supports 0-80V, current 0-10A

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CA-53W calculator watch

This computing watch is designed using the SAML22 ARM microcontroller. This particular microcontroller has a segmented LCD controller capable of driving the LCD used inside the watch.

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Digital photo frame source code (AT76C120+CT956)

Digital photo frame source code (AT76C120+CT956)

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ESP32s2 CO2 Monitor

ESP32s2 CO2 Monitor=ESP32s2 + Sharp memory LCD + CO2 Monitor

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Data transparent transmission based on MM32W wireless MCU series

Introducing a Bluetooth case - a data transparent transmission application developed based on the MM32W series.

ST25R3916 based NFC reader expansion board for STM32 and STM8 Nucleos

ST25R3916 based NFC reader expansion board for STM32 and STM8 Nucleo

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2021 College Student Electronic Design Competition Topic F Outstanding Works Collection (Intelligent Medicine Delivery Car)

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S32K3X4EVB-Q257: Full-featured evaluation and development board for general-purpose applications

The S32K3X4EVB-Q257 is a full-featured evaluation and development board for general automotive applications.

PicoCray: 9 Raspberry Pi pico RP2040 for parallel computing

The PicoCray project connects multiple Raspberry Pi Pico microcontroller modules into a parallel architecture, utilizing the I2C bus to communicate between nodes

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300nA to 150mA measurement circuit (comes with the new STM32L5 exploration board)

ST has previously launched a board with a static current measurement range of 1nA - 100mA and a dynamic current measurement range of 100nA - 50mA, but it is not open source. This time it’s open source.

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EnDat 2.2 Absolute Encoder Master Interface Reference Design for C2000 MCUs

C2000 Position Manager technology provides a turnkey solution for connecting digital absolute encoders as well as resolvers and SINCOS sensors, eliminating the need for additional circuitry commonly found in industrial inverters and servo drives. The Position Manager BoosterPack shown in TIDA-1008 is a flexible, low-voltage platform for evaluating various encoder interfaces and is designed for use with Position Manager-enabled LaunchPads such as the LAUNCHXL-F28379D. Highly optimized and easy-to-use libraries and example software provided with TIDA-1008 support the EnDat 2.2 and EnDat 2.1 standards.

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FPV car powered by ESP32

This ESP32-based FPV car can stream video over Wi-Fi and only needs a small LiPo battery for power. It can be controlled remotely and accurately through any web browser.

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Mini-DSO - a low-cost simple oscilloscope

A simple oscilloscope made of STC8A8K MCU. The microcontroller uses STC8A8K64S4A12 working at 27MHz. The display uses a 0.96 OLED with a resolution of 128x64. This oscilloscope project is easy to start and covers the necessary measurement functions. Supports normal mode, single mode, and automatic mode. It has trigger mode selection, such as level trigger, and comes with saved settings. Mini-DSO input is single-channel mode, and the second/division size can support a variety of: 500ms, 200ms, 100ms, 50ms, 20ms, 10ms, 5ms, 2ms, 1ms, 500us, 200us, 100us, and the voltage acquisition range is 0 to 30V. The sampling rate can reach 250kHz@100us/div.

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small engine control

This reference design board supports the NXP® MM912_P812 engine control IC, which combines an MCU (S12P) and an analog control chip (MC33812), and is suitable for motorcycles and other single/double-cylinder small engine control applications.

The analog control IC consists of three integrated low-side drivers, a pre-driver, a +5.0 V voltage pre-regulator, an MCU watchdog circuit, an ISO 9141 K-Line interface and a parallel interface for MCU communication.

The archived content will no longer be updated and is for historical reference only.

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ESP32Picoremote: ESP32 WiFi remote control with TFT display, mini TV, capable of playing GIFs

The WiFi remote control is based on ESP32 Pico D4 MCU and 160x80 pixel mini TFT display. Additionally, there are onboard I2C temperature and humidity sensors and an accelerometer.

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Doubly-fed wind power generation system based on direct power control and its low voltage ride-through source code

A stator-side direct power control algorithm based on multi-frequency proportional integral resonant controller

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Trimension™ UWB Development Kit

FireAnt: Low-cost, thumb-sized, breadboard-friendly FPGA development board (including schematics, source code, etc.) for manufacturers and hardware designers

FireAnt is the first third-party development board in the Efinix Trion product family. It provides an easy-to-use development platform for FPGA manufacturers and enthusiasts. Powered by Efinix Trion T8, FireAnt requires only a PC and requires no additional components. Breadboard-friendly design allows applications to be quickly deployed using sensors, peripherals or other interfaces. It is the perfect solution for manufacturers prototyping their projects or for digital design students to quickly learn FPGA development using the new Efinix platform. The power/performance/size advantages of Trion T8 FPGA also make it ideal for edge IoT applications.

Schematic PCB