• ANAVI Macro Pad 2: Open Source Programmable Two-Button Mechanical Keyboard with Backlight

    Every key on the ANAVI Macro Pad 2 can be reprogrammed to be used as a macro or even as a dedicated shortcut key, making it ideal for many applications in a variety of industries.

    Schematic PCB

  • Steno-Flex: An innovative, cheap, customizable shorthand

    Steno-Flex is a unique, low-cost stenotype that matches standard stenotype layouts and key actions. By using flexible keys with touch sensors, Steno-Flex is able to simplify the stenotype's design and mechanics, making Steno-Flex lighter and less expensive than current stenotypes on the market. Steno-Flex uses modern materials and electronic equipment, combined with computers, to allow students and novices to develop shorthand skills. Just plug the USB cable into your computer, launch the open source shorthand software Plover, and you're ready to go. Provides online tutorials and guides. Steno-Flex is an effective device for people who want to learn shorthand and develop real-time speech transcription. Shorthand technology is evolving to become the standard solution for data entry, from simple keyboards to sophisticated shorthand controls.

    Schematic PCB

  • ATtiny Flasher: Open hardware flash tool for Atmel ATtiny

    ATtiny Flasher is a convenient device that allows you to use your favorite IDE and debugging tools when developing for ATtiny microcontrollers. Enjoy the classic Arduino development experience while using bare metal. Whether you're a design engineer, a hobbyist, or someone just starting to program MCUs, ATtiny Flasher can help you—without having to port your code to the target platform when you're done.

    Schematic PCB

  • FreeEEG32: Affordable, stackable, open source, 32-channel EEG

    FreeEEG32 is a stackable, open source, 32-channel, 24-bit, sigma-delta, simultaneous sampling board designed to meet the needs of scientists and brain hackers who require high-quality, affordable research-grade equipment. We have been developing this EEG for many years as we worked to create the ultimate open source solution to expensive proprietary EEG technology. FreeEEG32 combines four 8-channel AD7771 ADCs with ultra-low noise (<0.22 μV measured) sources and references, all driven by the powerful STM32H7 ARM Cortex-M7, while handling pre-processing. It's sensitive enough to handle high-quality EEG data collection and more.

    Schematic PCB

  • ChipWhisperer-Husky: Handheld Channel Power Analysis and Fault Injection Tool

    ChipWhisperer-Husky is a compact package for experimental side-channel power analysis and fault injection. It follows in the footsteps of our ChipWhisperer-Lite and ChipWhisperer-Pro products and adds new features such as a high-speed logic analyzer for visualizing faults, real-time data streaming for attacking asymmetric algorithms, and additional I/O Extension pins.

    Schematic PCB

  • PICO DSP: an open source, Arduino-compatible, ESP32-based audio development board

    PICO DSP is an open source, Arduino-compatible ESP32 development board for audio and digital signal processing (DSP) applications. It provides an extensive audio processing feature set in a small, breadboard-friendly device, providing audio input, audio output, a low-noise microphone array, integrated test speaker options, additional memory, battery charge management and ESD protection all on a single micro PCB superior.

    Schematic PCB

  • Conexio Stratus: a tiny, powerful, versatile cellular IoT prototyping platform (schematics, firmware, manuals, etc.)

    The Conexio Stratus is a small (50.8mm x 22.86mm) yet powerful development kit for creating cellular connected electronics projects. It runs the best-in-class Zephyr RTOS for connected devices and is a battery-powered platform ideal for prototyping cellular IoT systems such as asset tracking applications, environmental monitoring, smart meter monitoring, and more. Equipped with Nordic nRF9160 System-in-Package (SiP), it supports LTE-M, NB-IoT and Global Positioning System (GPS). Stratus has two external U.FL antennas onboard, one for GPS and one for LTE-M/NB-IoT, enabling it to support LTE bands worldwide.

    Schematic PCB

  • CaribouLite RPi HAT: Fully open source dual-channel SDR Raspberry Pi HAT with tuning range up to 6 GHz (schematic, PCB, source code, etc.)

    CaribouLite is an affordable open source dual-channel software-defined radio (SDR) platform and an SDR-focused FPGA development framework implemented as a Raspberry Pi (RPi) HAT. CaribouLite turns your Raspberry Pi single-board computer (SBC) into a standalone dual-channel radio Tx/Rx with a tunable spectrum up to 6 GHz. CaribouLite gives you complete control over its hardware, including FPGA, firmware, and all supporting software. With the deeply integrated IceStorm toolchain, writing your own FPGA applications couldn't be easier. You can reuse many Verilog modules, such as the SPI and SMI modules, to support custom applications for CaribouLite hardware.

    Schematic PCB

  • CANFDuino: The best platform for open source, CAN-bus Arduino projects

    CANFDuino supports CANFD, the latest version of the CAN bus standard, which can accommodate speeds up to 5 Mbps. It has two local ports with DB9 connectors in a housing that can be mounted on your vehicle or installed in your own projects. The platform is designed for tinkerers, hackers, and industry professionals looking for a ready-made, open source CAN bus solution that requires little or no hardware assembly.

    Schematic PCB

  • Aeroh One: Crackable IR remote control based on esp32-c3 (schematic diagram and source code, etc.)

    Aeroh One is a hackable infrared remote control pad that turns any remote control device into a connected device. It will support Alexa, Google Assistant, Apple Siri, iOS/Android App and IFTTT integration. The Aeroh One is compatible with most remote controls that operate via infrared.

    Schematic PCB

  • acoustic-leak-detector: open source, battery-powered, long-range acoustic leak detection

    AquaPing is an ultra-low power smart sensor that provides isolated water leak detection, even behind walls.

    Schematic PCB

  • BeanCounter: Simple, battery powered, pocket-sized open source parts counter for 8mm cut tape and partial reels (schematics, source code, etc.)

    BeanCounter is a pocket-friendly SMT parts counter. Powered by a CR2032 coin cell battery, it uses two infrared photointerrupters to count parts as quickly as possible. It works with any opaque, 8 mm wide carrier tape up to 2 mm, and it covers most 0805 or smaller LEDs and passives, as well as SOT23 transistors.

    Schematic PCB

  • Plant Bot: an open source project for caring for potted plants based on ESP32

    Plant Bot is an open source project based on ESP32 that allows a single PCB to perform the functions of detecting humidity, watering, providing lighting, and controlling and communicating with the user via WiFi/BLE.

    Schematic PCB

  • Wireless security camera based on ESP32

    Have you ever wanted to install a security camera in your home, garden or office? Although commercial Wi-Fi security cameras on the market are not expensive, if you want to install multiple ones in different scenes or rooms, it will cost a lot of money. Young engineer Max can develop a wireless security camera based on Espressif's ESP32 chip with only $15.

    Schematic PCB

  • Tracer: ESP32-based wearable sports tracker

    Have you ever thought about attaching an inertial measurement unit (IMU) to an object to track its posture and motion? Tracer provides high-performance, safe, reliable and low-cost object tracking. Tracer can be easily attached to objects using Velcro. It can tilt and track rhythm as the bike's frame tilts, it can record the number of shots taken with a tennis racquet, and it can even differentiate between topspin and chip shots. Let your imagination run wild and explore more interesting applications of Tracer!

    Schematic PCB

  • Open source development tool USB-Cereal

    USB-Cereal is a powerful, fully open source development tool that simplifies testing, development, debugging and manufacturing of devices using USB-C. Using the extended capabilities of USB-C, this unique hardware saves time and effort by simplifying debugging and factory log capture, as well as firmware update procedures.

    Schematic PCB

  • Hotplate Soldering Iron: Repurpose an old electric iron into a heated soldering station

    The basic concept of this work is slightly different from standard tools such as a reflow oven or soldering iron. Heat is provided from the bottom of the PCB.

    Schematic PCB

  • Smarthome-dashbutton: smart home control button

    This is what smart home enthusiasts want to control their entire lights, thermostat, or any other smart device from their couch without having to activate a wall switch.

    Schematic PCB

  • Picoclick: Small and simple IoT button

    Picoclick is a simple IoT button in a very small package. The size of the PCB is only 18x20mm, and the height with the 300909 battery is only about 10mm. It's able to connect to your local WiFi at an impressive speed of about 1.5 seconds on average. Yes, since it calls IOT-Button, it uses WiFi of course! This opens up countless possibilities for that little device.

    Schematic PCB

  • 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.

    Schematic PCB

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