Dimebots, ultra-small independent autonomous robots

Dimebots are a group of autonomous, independent micro-robots that are as small as a dime, making them among the smallest robots in the world.

Schematic PCB

OpenSimpleLidar: Open source laser rangefinder for SLAM and navigation

This is a very simple open source scanning laser rangefinder. It uses triangulation. Its components cost less than $35 (excluding shipping). This lidar is very useful in robotics - for SLAM and navigation tasks.

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Low-Cost 4Mbps IrDA Receiver in MS8 and SO-8 Packages

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Obstacle Avoidance Robot Circuit Design Solution

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Multi-axis intelligent aircraft solution based on NXP (LPC4078&JN5168)

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Contactless delivery vehicle (WIFI remote control) reference design

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Design of a mini balancing robot based on ATMega328p-PU

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Smart robot dog based on Arduino nano (schematic diagram + PCB)

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[Open Source] Using ESP32C3 to make a mini quadruped robot

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Open source desktop two-wheeled legged robot

The circuit board in the project is drawn using Jiali Chuang EDA, and the code uses Arduino IDE, which is very suitable for beginners who are interested in robots.

The software, hardware, and mechanical structure are all open source.

Schematic PCB

[Open Source] Reference Design of a Three-Axis Writing Machine Motherboard Based on Arduino

Schematic PCB

A low-profile version of full-featured software radio based on Raspberry Pi Pico (fully open source + detailed explanation)

With just a Raspberry Pi Pico, an analog switch and an op amp, you can build a powerful SDR receiver covering the LW, MW and SW bands. Capable of receiving signals from halfway around the world.

Schematic PCB

ESPboy: Sub 1GHz open source radio scanner based on CC1101

The ESPboy CC1101 chip module allows you to detect Sub1Ghz signals (300-348MHz, 387-464MHz, 779-928MHz). Scan, decode, store to open garage doors, obstacles, IoT sensors...

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2018 Electronic Competition Question D-Gesture Recognition Device (Anhui University)

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2018 Electronic Competition Question C-Wireless Charging Electric Car (Xidian University)

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2018 Electronic Competition Question B-Fire Fighting Aircraft (Dalian University of Technology)

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2018 Electric Competition Question B-Fire Fighting Aircraft (Xiamen University)

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2019 Electronic Competition Question B-Line Patrol Robot (Henan Division)

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2019 National Electronic Design Competition Title A Province One Code (Dynamic Wireless Charging System for Electric Cars)

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2019 Electronic Competition Question A-Dynamic Wireless Charging System for Electric Cars (Shandong University)

Schematic PCB