syzygy-pmod: SYZYGY to PMOD adapter

SYZYGY is an FPGA extension standard for medium to high speed interfaces. This design is a splitter for 4x PMOD connectors. All 32 I/O signals from the SYZYGY connector are brought out. 8 on each PMOD.

Schematic PCB

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.

Schematic PCB

2019 Electronic Competition Question D-Simple Circuit Characteristics Test-Design Plan and Report (National Secondary School, Changzhou University)

Schematic PCB

2018 Electronic Competition Question A-Current Signal Detection Device (Dalian University of Technology)

Schematic PCB

Smart sensor light based on Gizwits (source program, schematic diagram, PCB)

Realized functions: Use the mobile phone APP to adjust the light intensity according to the amount of people walking around and remotely control the lights.

Schematic PCB

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

Schematic PCB

Zhihuijun open source super mini smart NFC card (schematic diagram, PCB, source code, etc.)

With electronic ink screen, can simulate various IC cards

Schematic PCB

gpdi-serdes: GPDI using serdes

SYZYGY is an FPGA extension standard for medium to high speed interfaces. This design splits the video output to a regular digital display and also supports input from the digital display. It connects to the SERDES via a SYZYGY-TXR connector. Would love to be able to test the 5Gbps output of high resolution GPDI.

Schematic PCB

Open source lithium battery management board, charging 5V2A, discharging 5V/1.52A or 12V/0.76A

This DIY LiPo super charger can charge a single LiPo battery and protect it from overvoltage, overload and short circuit. In addition, it can boost the battery voltage to 5 V or 12 V. The boosted output voltage is protected by an "eFuse" IC with a maximum output current of 1.52 A at 5 V and 0.76 A at 12 V. The charger part of the circuit requires a +5V power supply, which can be connected via USB-C, or simply solder two wires to pads on the PCB. Additionally, other connections can be soldered to pads on the PCB or use individual pin headers.

Schematic PCB

A fully open source multifunctional measuring instrument PSLab

The goal of PSLab is to create an open source hardware device (with all resources fully open) that can be used by electronics enthusiasts to do experiments. And offers a range of sensors for engineering experiments, including oscilloscopes, waveform generators, frequency counters, programmable voltage, current sources and data loggers.

Schematic PCB

STM32 digital oscilloscope source code + digital signal processing tutorial, supporting examples

STM32 digital oscilloscope source code + digital signal processing tutorials and supporting examples.

Schematic PCB

hdmi-si: HDMI breakout board

Simple branching of HDMI cable signals for analysis/verification of signal level and phase.

Schematic PCB

Open source EEG electroencephalogram design based on STM32H7

Software and hardware are all open source

Schematic PCB

2021 Electronic Competition Question A (Signal Distortion Measurement Device) Provincial First Prize Code

Schematic PCB

Open source USB2.0 high-speed analyzer

The analyzer host computer directly uses Wireshark. The hardware is implemented using Cypress CY7C68013A MCU + Lattice LCMXO2 FPGA + Microchip USB3343 USB PHY

Schematic PCB

Nordic open source second generation power consumption measurement kit Power Profiler Kit II

Hardware design is difficult, but Nordic is all open source, and PCB, BOM, Gerber, schematics, etc. are all provided. The schematic is also annotated.

Schematic PCB

YMFC Flight Controller and Mini Drone: Open source flight controller and mini drone programmable using Arduino IDE

The YMFC Flight Controller and Mini Drone is a simple, affordable, Arduino programmable open source circuit board that can be used as a standalone mini drone or as a flight control for a larger (F450 size) drone device. The simplicity of its design and control, as well as its open source nature, make the YMFC ideal for educational projects and drone enthusiasts.

Schematic PCB

Remote video monitoring source code and schematic diagram based on STM32F4

Schematic PCB

Open Source SCPI Programmable Precision Resistor Meter

A programmable resistor is an electronic device whose resistance can be adjusted, usually through a digital signal. Programmable resistors come in the form of integrated circuits (often called digital potentiometers) as well as stand-alone devices/expansion cards. There are many different applications, each with its own set of requirements.

​Range 1Ω - 999.999KΩ.

Schematic PCB

Avem: A lightweight UAV flight control based on STM32F103

A lightweight UAV flight control based on STM32F103.

Schematic PCB