CBM2199 open source-UD

Introduction: A USB2.0 U disk main control board design using ChipBang CBM2199 main control! You can make your own USB flash drive!

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New Project+4239409A

Introduction:......

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【Development Board】ESP32-CAM-12K (S2 and S3)

Introduction: The ESP32-CAM development board with Essence ESP32-12K/ESP32-S3-12K as the core is compatible with Essence ESP32-CAM development board and has 10 additional pins.

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【Module】ESP32-S3-12K replica

Introduction: Essence has completely stopped producing ESP32 modules and DIYed a module based on the package of its ESP32-S3-12K module.

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Frame_PCB-voron0

Introduction: v0 pcb frame integrated adxl345

NINE-FOX | Dongle

Introduction: Provide a 2.4G Bluetooth adapter to connect the Ninetails Bluetooth keyboard in wireless mode

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diy_small_board

Introduction: Small test sample for DIY

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50% low profile hot-swappable keypad ada51

Introduction: 50% small keyboard drawn based on 32u2, using Jiadalong low axis, supports hot swapping, has been board verified, and the firmware needs to be made by yourself

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【Training Camp】Muyun Electronic Dog

Introduction: Use Huawei WiFi module HI3861 to build an 8-axis mechanical dog.

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Zhang Susu graduation project

Introduction: None

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Zhang Su’s graduation project main control panel

Introduction: None

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RFID switch 2

Introduction: Use esp8266 as the main control to make an access card swipe switch

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PCF8574

Introduction: Use PCF8574 chip and I2C communication to realize IO control

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Sipeed Longan Nano V1.1 expansion board

Introduction: Sipeed Longan Nano V1.1 expansion board - a pure expansion board without any peripherals

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[Guidian School Competition] Arbitrary waveform generator

Introduction: The arbitrary waveform DDS module generates waveforms, frequencies, and amplitudes with adjustable programmable amplification that can produce arbitrary waveforms drawn on the touch screen.

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Dot matrix clock (WS2812)

Introduction: A clock composed of WS2812 dot matrix

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Remote Control Toy Kit

Introduction: This is a remote control toy kit, including a core board, remote control base plate and motor drive base plate. The core board can be installed on different base plates and connected with 1.27mm pin headers and female headers.

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weather forecast box

Introduction: A small box for obtaining weather status.

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xinpianceshi

Introduction: Xinnuoda Cup PCB

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class-D

Introduction: Class D power amplifier, carrier wave is about 120KHz, 12V power supply, and designed output impedance is 8Ω.

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