ch573 bluetooth minimum system board

Introduction: ch573 Bluetooth module usb download chip introduction and information http://www.wch.cn/products/CH573.html

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NFC: supports meal cards, bank cards, etc.

Referring to the design of TD111111, a DIP switch is added, which can hold three cards and is waterproof.

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MKS_ROBIN_WIFI: WIFI wireless printing connection board for 3D printers

WIFI wireless printing connection board for 3D printer

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All-in-one desktop model car Bluetooth receiver

Introduction: An all-in-one desktop model car Bluetooth receiver. It is used to statically modify small scale model cars such as 1/35, 1/43, 1/50, 1/64, etc., or replace existing complex and redundant electronic equipment on similar models. This project can replace traditional receivers, ESCs and light controls, reducing size and cost.

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Indoor temperature and humidity sensor based on Tuya Smart

Introduction: The solution is based on Tuya WB3S module, GD32LE103 main control, main sensor SHT30, and secondary sensor LM75AD. Using USB5V power supply, the host computer configures the MCU and Tuya module behaviors through USB, as well as the i2c display interface.

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IoT smart RGB lights

Introduction: By adding peripheral circuits to the module WB3S, the effect of intelligent colorful lights can be achieved.

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Open source IoT project ilabel-based on STM32 and Tuya Smart Platform

Introduction: An Internet of Things development board developed based on STM32 and Tuya Smart Platform. It can be regarded as a 32-bit development board with Bluetooth and ink screen (leaving out pin headers). (Can be optimized for: shell, screen-to-body ratio, clock, etc.)

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A portable small lamp with desk lamp/night light functions

Introduction: A portable small lamp with desk lamp/night light functions

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ESP32keyboard (BAT): ESP32 keyboard lithium battery version

Introduction: ESP32 keyboard lithium battery version

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ESP32 handle

Introduction: Use two 74HC595 cascades to scan the buttons and obtain the button status. TP5400 charges and manages lithium batteries. CH340 automatic download circuit. SPI screen. Module ESP-WROOM-32.

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CH577_EVK

Introduction: CH577 EVK

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Landslide early warning device based on anchor magnetic monitoring - summary node & terminal node base plate

Introduction: BiDe’s module base plate.

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nrf52832 minimum system development board Bluetooth mechanical keyboard development board

Introduction: A minimal system development version based on nrf52832, which can be used to develop Bluetooth keyboards, etc.

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nrf52832 Bluetooth keyboard test board

Introduction: nrf52832 Bluetooth dual-mode keyboard test board

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ESP32 arduino open source board

Introduction: Modeled after BPI-UNO32, with onboard USB-to-serial port, automatic download and upgrade. Support Bluetooth-wifi

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small speaker

Introduction: Small speaker Bluetooth module

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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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Based on ESP32 IoT clock project

Introduction: Internet of Things clock project based on ESP32

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Desktop temperature and humidity weather clock

Introduction: The main control uses the W601 chip. The main board is shaped like a Bilibili TV icon. The display uses a 2.4-inch TFT LCD screen, which can display the current time, weather, real-time temperature and humidity information, and supports setting temperature and humidity warnings.

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Double_K1

Introduction: Bluetooth 5.0/wired dual-mode keypad RGB independent lighting knob

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