FREE-WILi 2 is an open electronics multitool designed as a portable laboratory for wireless communication, general-purpose input/output (GPIO), analog interfacing, RFID, CAN bus, retro gaming, and onboard Linux computing. It integrates hardware and software capabilities for tasks such as signal analysis, device interfacing, and embedded system development, and is equipped with AI agents that assist in writing firmware.
4), a Raspberry Pi CM0 for Python scripting and software tools, and an ICE40UP5K FPGA for programmable logic. It also includes a CC1101 and LoRa radio with dynamic antenna switching, GPS, joystick, keyboard, CAN FD transceiver, and a range of analog and digital I/O. 5-inch capacitive touchscreen, a full array of gaming and context buttons, a D-pad, and a two-press-per-letter keyboard. 5 mm audio jack. Sensors onboard cover infrared, IMU, magnetometer, ambient light, and humidity.
FREE-WILi 2 supports scripting and programming through a Python API, rTHON scripting, and a WiliWASM engine for C++, Rust, and WebAssembly development. It is compatible with open-source toolchains and provides onboard debugging for both the RP2350 and ESP32 via integrated hardware. The device can load RP2350 and ESP32 binaries and is equipped with a UF2 bootloader for ease of firmware updates. Expansion is facilitated by Orca headers and an orca development kit, allowing users to create custom hardware modules. The multitool also features programmable power supplies, voltage glitching, and buffered analog I/O for advanced electronics experimentation.
The platform is delivered as a physical, pocket-sized device with open hardware, designed for electronics enthusiasts, embedded developers, and those interested in wireless experimentation and retro gaming. It integrates community-supported technologies and provides a scriptable, agent-ready environment for a wide range of hardware and software projects.
FREE-WILi is a Developer Tools product. Developers face complexity in testing and debugging embedded electronic systems efficiently. It is built as a B2B product for embedded systems developers. FREE-WILi is a paid product. The product ships for the web, Windows, Linux, macOS, and the command line.
Behind FREE-WILi is FREE-WILi, and the product first shipped in 2025. PulseGate's similarity index finds few close equivalents — FREE-WILi occupies a relatively distinct niche. Key capabilities include embedded debugging, signal analysis, and firmware updates.
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