Raspberry Pi Pico
RP2040 board: two cores, 264 KB of RAM and 2 MB of flash. Flashed by copying a file to its USB disk.
Where to buyAliExpress11 projects
Games
Radio and mesh
Tools
Pico DirtyJTAGCheap JTAG adapter on a Pico for FPGAs and CPLDs: works with openFPGALoader, UrJTAG and OpenOCD.No soldering, about 5 minBesides the board: Jumper wiresRaspberry Pi PicoBy Chipnik catalog
Pico UART BridgeTwo USB to serial adapters in one Pico: talk to routers, ESP boards and other devices over UART.No soldering, about 5 minJust the boardRaspberry Pi Pico and 1 more boardBy Chipnik catalog
DebugprobeOfficial firmware that turns a Pico into a CMSIS-DAP debugger and USB serial adapter for other microcontrollers.No soldering, about 5 minBesides the board: Jumper wiresRaspberry Pi Pico and 1 more boardBy Chipnik catalog
Security research
Keyboards and controllers
MobiFlightHome cockpit firmware for flight simulators: real switches, encoders, LEDs and displays for MSFS and X-Plane.Soldering, about 1 hBesides the board: Switches, encoders, LEDs or 7-segment displaysArduino Uno R3 and 5 more boardsBy Chipnik catalog
OpenDeckBuild your own MIDI controller: buttons, knobs, faders, encoders and LEDs, configured in the browser.Soldering, about 2 hBesides the board: Buttons, potentiometers, encoders or fadersRaspberry Pi Pico and 2 more boardsBy Chipnik catalog
HID RemapperSits between a USB mouse, keyboard or gamepad and the computer and remaps buttons, axes and keys in hardware.No soldering, about 10 minBesides the board: USB-A socket breakoutRaspberry Pi Pico and 1 more boardBy Chipnik catalog
ps2x2picoUSB keyboard and mouse to PS/2 adapter for retro PCs: plug modern input devices into an old computer.Soldering, about 30 minBesides the board: PS/2 connector or cable and 2 moreRaspberry Pi PicoBy Chipnik catalog
GP2040-CEGamepad firmware for fight sticks and hitboxes: wire buttons to a Pico and play on PC, Switch, PlayStation and Xbox.Soldering, about 1 hBesides the board: Arcade buttons and 2 moreRaspberry Pi Pico and 1 more boardBy Chipnik catalog