Desktop fast charging source module

Introduction: PL5500 is a four-tube bidirectional buck-boost controller designed for mobile power supplies, batteries and other applications. It provides high efficiency, high cost-effectiveness, simple peripherals and protection functions for buck-boost application markets such as TYPE-C PD fast charging. Complete high-power application solutions.

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ESP32 game console

Introduction: esplay upgraded version with small TV function and alarm clock function

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Mechanical leg design based on HI3861

Introduction: A mechanical leg structure controlled by Hi3861, two-way servos, with OLED display, and powered by 18650 lithium battery.

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Original God Ruler

Introduction: Genshin Ruler

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The most beggar keyboard set modification

Introduction: The modified "drawing board is like eating lettuce" boss's 17-key touch keypad and 61-key keyboard added a little of his own ideas

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bookmark bookmark

Introduction: Bookmarks made by Master Huo and me

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10wmini power bank

Introduction: A mini 10w power bank

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copper price pointer table

Introduction: It can only display the copper price of the day, which is useless. . . . You can change the program and dial to display other data.

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Ink Screen 1.0

Introduction: 2.14-inch ink screen

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CH552G development board

Introduction: CH552G development board

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STC32G12K128-LQFP48

Introduction: STC32G12K128-LQFP48 minimum system core board

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Intelligent matrix clock

Introduction: The project is modified from the B station HACK laboratory

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Drone rack

Introduction: 720 Coreless Motor Drone Frame

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ESP8266

Introduction: small screen based on esp01s

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[Verified] Microcontroller Register Experimental Board

Introduction: Simple model, verified, for learning microcontrollers

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【Training Camp】Bionic Robot Dog

Introduction: Robot dog using OpenHarmony system

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15v power amplifier walkman audio circuit

Introduction: The 15V powered Walkman uses a push-pull structure and uses a Vbe multiplier to optimize it.

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SD mini Xiaolipai TV - Let creativity stop lingering - Thanks to my friends

Introduction: Accidentally exposed to electronics
, accidentally exposed to a weather clock,
and unexpectedly met a group of cute friends!
Thank you for meeting me. Unknowingly, Xiao TV has grown a lot.
Through the joint efforts of Yunmengze Creative Space and its friends,
the SD mini series TV is approaching maturity, so DIY benefits are here.

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Works of master tap3116hack

Introduction: Hack Lab open source works transfer

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【Internet of Things】Smart WiFi switch-OpenHarmony

Introduction: Using Hi3861 module to develop IoT switches

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