M2 1216 wireless network card to PCI-e

Introduction: Many thin and light wireless network cards use welded M2-1216 packages, which makes it possible to obtain used such network cards relatively cheaply. Today, when many network cards are out of stock and the price has skyrocketed, adapter boards can be used for waste recycling.

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M2 1216 wireless network card to NGFF/M2 e-Key

Introduction: Many thin and light wireless network cards use welded M2-1216 packages, which makes it possible to obtain used such network cards relatively cheaply. Today, when many network cards are out of stock and the price has skyrocketed, adapter boards can be used for waste recycling. This design supports CNVio+traditional type

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esp32 development board wroom_32D_zgf_20220427

Introduction: Designed an esp32 development board, using model esp32-wroom-32E, with automatic download function

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ESP32-S3-12K core board

Introduction: ESP32-S3 core board

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Intelligent offline voice air conditioner fan and other universal infrared remote control 6 yuan chip solution

Introduction: This time we use the chip solution, white bleaching board, you can make an intelligent offline voice universal infrared remote control for 9 yuan

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AI intelligent offline voice air conditioner universal infrared remote control

Introduction: DIY to make an intelligent AI offline voice recognition infrared universal remote control
with low cost

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ESP32_Media_Board

Introduction: A Bluetooth media control board developed based on ESP32

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[Test failed] Wired headset expands Bluetooth module

Introduction: 3.5mm wired headphone to Bluetooth module

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[Solicitation Order] t12 soldering iron

Introduction: T12 soldering iron

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Wireless serial port remote download module, based on CH9143 Bluetooth serial port usb three-way module

Introduction: Based on the CH9143 three-way module of Qinheng Microelectronics, it adds the function of remote downloading of programs, and can also be used as USB to TTL. The cost is much lower than the wireless burning programmer sold by tb, and it cannot be simulated.

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Tactile Rubik's Cube and Pulse Summary

Introduction: Read the piezoresistive sensor signal, amplify it, and communicate using Bluetooth

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ES2Eds3 ESP32S3 WiFi Development Board

Introduction: Based on ESP32S3 WiFi development board, onboard OTG and UART, automatic download, DCDC, ESP32 S3

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SUPERHIFI mp3 based on ac6905a

Introduction: An ordinary mp3

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2022 China Jiliang University Lichuang Cup Title A Signal Hybrid Transmission System

Introduction: Infrared optical communication is used to realize mixed transmission of digital and analog signals. While signal demodulation is achieved at the receiving end, signal integrity is retained as much as possible and noise interference is reduced.

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Bluetooth 2.1 power amplifier board

Introduction: Using the TEA2025B Bluetooth 2.1 amplifier board, the sound is sweet and the sound quality is good. The 2.1 is a separate subwoofer, making listening to music more exciting.

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NRF52832 and NRF52810 Bluetooth dual-mode PAD

Introduction: A dual-mode small PAD made using Mr. Ge’s firmware. It supports axis lights, connection status display lights, caps lock lights, OLED can display battery power and caps lock status, and supports knobs.

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STM32F411CEU6 BLUE-TOOTH

Introduction: STM32F411CEU6 Development Board

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CH571F development board

Introduction: A 32-bit RISC-V core microcontroller integrated with BLE wireless communication. The 32KHz crystal oscillator is not soldered by default. You need to set the macro OSC_CKL32 to 2.

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quadruped robot

Introduction: This is your first drawing board, so there may be many mistakes!

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BLE CH582M development board

Introduction: BLE Low Power Bluetooth Development Board CH582M Development Board

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