FreeWilli Overview

Overview

Free Wili is a embedded development tool for helping test, debug, and develop electronic systems.

Use Cases

  • I2C USB interface

  • SPI USB interface

  • UART USB interface

  • Generic Digital Protocol development (script protocol)

  • USB attached screen and buttons

  • Uart based protocol tool support

  • TPMS fuzzer or simulator

  • Keyless Entry simulator/monitor

  • Cybersecurity penetration testing

  • Development platform that 80% done

  • Learning platform for Embedded Systems CPU, FPGA or Hybrid

Software Features

  • USB Serial console API to control from host PC without installing any software

  • WASM (webassembly) scripting engine with examples for C/C++, Rust, Zig and Tiny Go

  • Host API Python software

  • Fat File system

  • Sigrok Pulse view Logic Analyzer support

  • host binary API for Graphical User Interface

  • WASM API to control all device features

  • ZoomIO scripting engine controls IO pins with nanosecond precision

  • GUI Software with custom panels and graphical controls

  • Integrated sounds and images in ROM for enhancing user apps

  • Numbers To Speech feature to speak numbers

  • File formats compatible with existing market devices

  • Standard USB boot-loader for firmware updates

  • Raspberry Pi Pico (RP2040) Open Micro Platform for specific applications or custom code with C/C++, Micro-python or Circuit Python

  • Open source github software for updates

Hardware Features

  • SPI, I2C, PIO, and UART available on GPIO

  • 3 USB interfaces (Integrated HUB with 2 FS, 1 HS) for communication and power

  • 11 GPIO Programmable voltage level for 1.1 to 5.5V with 24ma@3V or 32ma @5v (sn74lxc1t45)

  • 2 GPIO for I2C voltage level between 0.9V to 5.5V with software enabled 10K pulls (PCA9517)

  • GPIO front end includes ICE40UP5k FPGA with 8MByte SRAM and High Speed USB (FT232H)

  • Two SMA connectors for antenna for longer range

  • 320 x 240 Color Display

  • 5 User configurable buttons

  • 7 Full color LEDs

  • IR transmitter and receiver

  • Digital Speaker and Microphone

  • Orca modules plug into GPIO header allows expansion for specific use cases

  • 16 Mbyte x 2 on board storage (22 MByte usable)

  • 1000 ma Lithium ION battery with integrated charger

  • Real Time Clock (RTC)

  • Accelerometer

Radio Versions

Free Wili currently has one radio option:

Black contains two CC1101 Sub Ghz Radios with programmable filter ranges for 300-348, 387-464, 779-928 bands.

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