200W inverter

Introduction: dc24v-ac220v inverter

Schematic PCB

K375s-104 keyboard pcb

Introduction: 104-key mechanical keyboard pcb suitable for Logitech K375s master control

Schematic PCB

[Tuya Smart] Temperature and Humidity Sensor

Introduction: Temperature and humidity sensor based on Tuya wb3s

Schematic PCB

Fingerprint access control main control board

Introduction: Fingerprint access control can be flashed with a mobile phone data cable. It has multiple power supply ports to meet different power supply methods. There is a battery interface reserved for battery power supply.

Schematic PCB

Fingerprint access control

Introduction: Fingerprint access control developed based on STC89C5A60S2 microcontroller

Schematic PCB

SPV2010_220VSwitchBoard

Introduction: Switch board needs to be used with the speech recognition main control board SPV2010_Light_HVCtrl_Board of the lamp.

Schematic PCB

SPT2028_AirTouch_Segment

Introduction: SPT2028 Demo, with broken code tube, with LED isolation and ordinary isolation

Schematic PCB

SPT2028-Full Vision-Building Intercom Touch Control Panel

Introduction: Ordinary touch solution

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Earbone_V02

Introduction: In-ear detection test

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SPV2010_CoreBoard_V1.1

Introduction: SPV2010 core board, chip built-in 4M FLASH, with PA

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SPV2011_CoreBoard_V1.0

Introduction: SPV2011 core board, built-in 8MFLASH, with PA output

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SPV2021-LQPF64 core board

Introduction: SPV2021 core board. This core board has been iterated. It is recommended to use SPV2011 core board or directly use SPV2021 chip to make your own board.

Schematic PCB

Digital tube thermometer based on DS18B20

Introduction: The thermometer made using ds18b20 and 51 microcontroller uses the USB port to draw power

Schematic PCB

[Speech Recognition] CI1103 offline speech recognition module

Introduction: The dual-microphone offline speech recognition core board designed based on the Qiyingtailun CI1103 chip. Based on the Qiyingtailun AI platform, it can realize customized wake words, command words, and voice broadcast, and can realize single and double microphone echo cancellation and dual microphone speech. Speech pre-processing algorithms such as enhancement and speech noise reduction

Schematic PCB

WIFI remote computer boot card

Introduction: ESP8266 WIFI remote boot card, based on Blinker IoT platform, realizes remote computer power on and off, restart and Tmall Genie smart audio language control through mobile APP

Schematic PCB

Tmall Genie sound controlled snowflake lamp

Introduction: ESP8266 WIFI full-color snowflake lamp - Tmall Elf voice color adjustment and mobile APP color adjustment

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KoDoFly quadcopter

Introduction: The project is a quadcopter based on the RTThread operating system. It is planned to achieve functions such as smooth flight, barometer altitude determination, and optical flow determination.

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Open source four-axis remote control

Introduction: A four-axis remote control based on the open source four-axis version of RoboFly.

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Open Source Quadcopter

Introduction: A quadcopter based on RoboFly open source quadcopter

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[Course Design] Open Source Balance Car

Introduction: Balance car control board based on STM32F103C8T6, used to learn PID control algorithm and PID parameter tuning

Schematic PCB