Open source practical current and magnetic field probe little-bee

Little Bee is an affordable, high-performance current probe and magnetic field probe that allows you to debug and analyze electronic devices more efficiently.

Schematic PCB

Openpilot: an open source advanced driver assistance system with 49.2k stars on Github

With features like adaptive cruise control, driver monitoring, automatic lane centering, etc., it is available for Toyota, Hyundai, Honda and many other brands, about 275+ models. openpilot complies with ISO26262 guidelines.

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Interactive Memory Technology Learning Kit Core64

Core64 combines real core memory and LEDs in a unique interactive way. Core Memory is a magnetic memory technology from the 1960s and 1970s. The tip of the stylus has a magnet that interacts with the LED through Core Memory. In practice, users can think of it as a magnetic touch screen

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Picoclick-C3: Small WiFi and BLE IoT button for multiple applications

Picoclick-C3 The name relates to its new processor, the ESP32-C3, a single-core RISC-V 160MHz CPU. Picoclick C3T is a small WiFi and BLE IoT button suitable for a variety of applications. Originally designed for smart homes, Picoclick can also be used as an actuator for IFTTT automation or as an MQTT device. It is based on the single-core ESP32-C3 RISC-V processor, so it has a lot of useful features. The C3T measures just 10.5mm x 18mm.

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Esai source code pure electric vehicle motor drive and vehicle control system based on DSP and bidirectional Z-source inverter

This project applies the bidirectional Z-source inverter to the motor drive system of pure electric vehicles. Using TMS320F2808 DSP as the control core, the SVPWM control technology based on the Z-source inverter is implemented.

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YOLO3D: Project source code for 3D object detection based on yolo in autonomous driving applications

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An engineer in the autonomous driving industry has opened up a fully functional laser SLAM

A versatile LiDAR SLAM package. Supports various types of LiDAR sensors (mechanical, solid-state, etc.), 6-axis and 9-axis IMU, loose coupling and tight coupling, mapping and positioning, loop detection, etc.

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DIY personal laptop

The author specially bought a laptop motherboard, and then DIYed the peripherals and casing. The overall effect is quite beautiful.

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iphone6-5.5+ schematic.zip

Apple's full series of drawings: iphone6-5.5+ schematics.

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jtag-programmer: JTAG programmer based on FT232H

​Gregory Davill is a technical expert from Australia who is very famous and active in the field of open source hardware. In December 2020, he insisted on designing a circuit board every day, using KiCad to complete the circuit design and PCB layout and routing. This is the adventure-calendar-of-circuits-2020 project. This design is a JTAG programmer based on FT232H.

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iPhone 5s Chinese schematic + component distribution diagram

Apple's full series of drawings: iPhone 5s Chinese schematic + component distribution diagram

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Reference design of Epson multimeter microcontroller S1C17M02/M03

Can measure DC/AC voltage, DC/AC current, resistance, inductance, capacitance, diode, frequency. Built-in 16bit ADC, digital filter, RMS effective value circuit and peak hold circuit. Multimeter control unit integrated with microcontroller, officially launched reference design kit, powered by button battery, including schematic diagram.

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ArduPilot: Full-featured, reliable, open source autopilot software that supports a wide range of vehicles

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Frank robot loading and unloading program

Frank robot automatically palletizes packaging bags

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Multifunctional open source custom macro keyboard based on esp32s3

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Gameduino 3X Dazzler: Arduino expansion board for gaming and audiovisuals with GPU, FPGA, HDMI and Python support

The Gameduino 3X Dazzler is an Arduino-compatible expansion board that outputs high-definition images and sound to any HDMI monitor or TV. Dazzler is great for game designers using Arduino or CircuitPython, makers who want rich, responsive data and text visualizations, and anyone who wants great visuals for their Arduino projects.

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JetCar: A miniature self-driving car based on Jetson Nano

JetCar is a miniature self-driving car based on Jetson Nano. It can navigate on street maps and follow parking text and directional arrows.

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Steering gear control module (scheme design + schematic diagram).rar

Steering gear control module (scheme design + schematic diagram)

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Automatic clock-in and walking timing system based on face recognition (K210, nRF52832)

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RTL8111E+RTL8105E application reference schematic

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