FREE-WILi Overview

Overview

FREE-WILi is a embedded development tool for helping test, debug, and develop electronic systems.

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

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

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.