CAN bus development board

Introduction: The CAN bus data transmission module includes communication download, MCU control, CAN control, CAN driver (DC power isolation, high-speed optocoupler), buttons and LEDs. Use the serial port debugging assistant to view the data transmission during the CAN communication process for further learning and Study the characteristics of CAN transmission system.

Schematic PCB

[Tuya Smart] Multi-parameter ambient air quality monitoring recorder

Introduction: [Tuya Smart] Multi-parameter ambient air quality monitoring recorder.

Schematic PCB

[Training Camp_Advanced Class] Smart socket based on Alibaba Cloud's WIFI

Introduction: WIFI smart socket based on Alibaba Cloud. The microcontroller uses STM32F042F6P6, and the WiFi module uses EMW3080 to realize relay control and temperature and humidity collection.

Schematic PCB

Temperature and humidity real-time monitor based on Tuya smart module

Introduction: Real-time temperature and humidity monitor based on Tuya smart module, mobile APP interaction. Real-time alarm. 12864 displays perpetual calendar and temperature and humidity.

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Bilibili small TV

Introduction: For learning reference only

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RDA5807FP radio

Introduction: RDA5807FP Radio

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Dual typeC to TTL module

Introduction: Two USB to TTL serial port modules, with 5V and 3.3V outputs

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【Training Camp】wifi smart switch +387925A

Introduction: This project uses Tuya's wifi module to control a relay to switch. Use AC to DC to convert voltage.

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Bilibili small TV

Introduction: Bilibili Fan Display

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USB CH340N serial port voltage adjustable

Introduction: Verified. Dianzhongdian CH340, make a serial port for your own use.

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USBHUB2.0_FE2.1+CH340K

Introduction: USBHUB implemented by FE2.1

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CH340K to TTL

Introduction: The simplest and smallest CH340K verification board

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USB3.0 hub based on vl812

Introduction: USB3.0 hub based on vl812,

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usb3.0hub based on TUSB8041

Introduction: usb3.0hub based on TUSB8041

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avr microcontroller based on MAX202ECSE and Atmega168v

Introduction: Based on the avr microcontroller and Atmega168v, the MAX202ECSE clock chip is designed to be compatible with both packages.

Schematic PCB

AVR high voltage programmer

Introduction: A high-voltage programmer assembled with atmega8, used for programming avr microcontrollers that are locked due to incorrect fuse bits.

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[Tuya Smart] Temperature and Humidity Sensor

Introduction: The MCU temperature and humidity sensor of the stc15w4k+Tuya WR3 wifi module can be controlled online using the mobile APP, and the temperature and other corresponding information can be queried through the OLED

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Simple FM radio transmitter

Introduction: Use 9018 transistor to transmit NFM FM broadcast. It has few components and is simple and suitable for beginners.

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[Hongshun Training Camp] Satellite Timing Clock

Introduction: The satellite timing clock based on HK32F030MF4P6 does not require any configuration, just plug it in and use it. Can display date, time and temperature

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ESP8266 Wifi good guy

Introduction: How to let other router owners call you "good guy"?

Schematic PCB