【Training Camp】IoT Light Strip +832332A

Introduction: An IoT light strip based on WB3S and Tuya Smart can realize functions such as remote control using a mobile phone. Small and portable, high brightness and high color rendering index.

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Gothic Ferris Wheel/Gothic Ferris Wheel

Introduction: A light-up "ferris wheel" toy that (designed) can (actually cannot) rotate

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Low cost NTP network clock

Introduction: Low-cost NTP clock produced using esp-01s, 0.56 4-bit common anode digital tube, and TM1637

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IP2161 fast charge protocol verification buck verification board

Introduction: ip2161 fast charge protocol verification buck verification board

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Mini_ODrive_F411_FD6288

Introduction: A streamlined version of ODrive

Relay module

Introduction: A relay module that can switch switches and delay

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6-way USB power distributor + power meter OLED display

Introduction: A compact 6-way USB switch, + power meter OLED display.

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Circuit board based on CircuitPython programming

Introduction: Circuit board based on CircuitPython makes creative design easier! CircuitPython programming is very simple. This circuit board integrates a variety of sensors, which can be used to learn CircuitPython or directly used for creative design.

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[Solicitation Order] Simple underwater acoustic communication device

Introduction: A simple underwater acoustic communication device that uses frequency shift keying (2FSK), works with 40KHz and 20kHz as carrier waves, and transmits unicode-encoded text signals.
The project is simple. It is the first time for a novice to make water sounds. I hope you guys can give me your criticisms and corrections.

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AT8870 DC Motor Driver-Open Source Project

Introduction: AT8870 DC Motor Driver - Open Source Project

42 closed loop steps

Introduction: A 42 stepper motor closed loop driver board

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[Internet of Things] Smart wifi physical servo control light switch +1293690A

Introduction: Use Hongmeng hi3861 to control the servo to reach the physical switch of the mobile phone wifi control chip~~~~

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Renesas chip clock desk lamp system

Introduction: Intelligent desk lamp system based on RA Renesas chip

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Key-triggered self-locking switch

Introduction: Button trigger switch

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[Minimum system] STC32G12K128

Introduction: STC has launched a 32-bit microcontroller, compatible with STM32 small blue board design, simple yet exquisite, a good helper for STC32 learning.

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Cloud_WS2812b

Introduction: Second Prize in the 2022 Electrical and Electronic Breathing Lamp Design Competition of the School of Electrical Engineering of Guangzhou City Polytechnic Institute

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LEDClock_V3

Introduction: For network timing clock, you can use ESP-12F plus peripheral components or directly use nodemcu mini D1 (recommended, the simplest)

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access control circuit

Introduction: Access control circuit designed with ESP8266

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ESP32-SOLO

Introduction: ESP32-SOLO-1 is a general-purpose Wi-Fi+BT+BLE MCU module with powerful functions and a wide range of uses, such as voice encoding, audio streaming and MP3 decoding. The core of this module is the ESP32-S0WD chip.

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WIFI remote control car (ESP12F)

Introduction: Replace the control panel of JJRC remote control car. Use ESP12F as receiver. Use Android app (OpenRC) as controller.

Schematic PCB