makeblock rj25 adapter

Introduction: makeblock rj25 adapter, reduced size version.

Schematic PCB

USBuino-UNO

Introduction: I made a UNO board for ch55xduino and renamed it USBuino-UNO.
It is a sister article of USBuino-Nano https://oshwhub.com/Touchey/usbee-nano

Schematic PCB

USBuino Nano

Introduction: Formerly known as USBee, renamed USBuino Nano would like to highlight:
1. Native support for USB interface;
2. Compatibility with Arduino IDE;
3. Integration of excellent USB project cases;
4. Some functions replace Arduino Nano

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ESPNOW remote control ESP07S version based on ESP8266

Introduction: ESPNOW remote control ESP07S (external antenna) version based on ESP8266

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Contemporary Art Drive-Cyberpunk Toys

Introduction: Contemporary Art Drive-Cyberpunk Toy Procured for Free

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Heating table based on Hezhou AIR103 main control

Introduction: The main control adopts Hezhou AIR103 Taobao Pinduoduo 9.9 with free shipping. The heating plate comes from other open source projects. The power supply is recommended to be 12V10A or above. Pay attention to the high temperature.

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[Solicitation Order] IoT fingerprint door lock control board based on ESP32

Introduction: Fingerprint door lock control board based on ESP32

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Arduino based digital oscilloscope

Introduction: Simple oscilloscope based on Arduino

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Nixie tube clock + weather date display

Introduction: esp32 designed a four-digit Nixie tube clock and a small screen with weather, date and other display functions; non-professionals figured it out by themselves, please give me your advice. WiFi automatic time adjustment, ds1302 travel time when power is off, esp32 light sleep at night, 4800mAh lithium battery, etc.

Schematic PCB

Dot matrix clock + weather display + room temperature and humidity

Introduction: max7219 consists of three 8*8 red dot matrix screens, aht10 temperature and humidity module, esp32-wroom, ips1.44 spi screen

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Adjustable desk lamp

Introduction: This work is the K question of the 2021 National College Student Electronic Design Competition, an adjustable LED desk lamp, shown below!

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Programmable OSD video output module

Introduction: AV port outputs programmable text and graphics, based on Lm1881

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ESP32_CAM automatic downloader (verified)

Introduction: Automatic downloader for ESP32CAM development board, based on CP2102.

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NN Robot--Micro Vision Controlled Vibration Robot

Introduction: The NN robot project of the director of the explosive modification workshop uses ESP8285 as the core to build a vibrating motion micro robot, and python+openCV visual control plans the robot path to control the robot trajectory movement.

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WS2812-RBG phantom pendant

Introduction: I copied the ws2812 earring pendant from foreign netizen makeTVee.

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Super cool "Zi" water gun

Introduction: I used the disassembled parts of the water mist pump collected from garbage to make a water gun that can be electrically launched, quantitatively filled, and automatically absorb water!

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Rhythm light bar

Introduction: The esp8285 chip ESP-01F module is used as the main control, the MAX9814 audio acquisition module, the WS2812 2020rgb lamp beads, and the Arduino programming environment to simply create a rhythmic light strip.

Schematic PCB

Trash-picking RGB-LED display HUB75e interface driver board

Introduction: The RGB LED display with 96x128 resolution p2.0 screen picked up from trash on Taobao has great effect and can directly replace the original driver board and ESP32 main control.

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Ink screen TF card e-book source code open source

Introduction: The 4.2-inch ink screen can be used as an e-book, and the TF card can store text files.

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2021-K Question-LED Stable and Adjustable Desk Lamp-Niuzi Team

Introduction: This is an illuminance meter and controllable desk lamp made according to the requirements of Question K of the 2021 National College Student Electronic Design Competition

Schematic PCB