Doing an electronics project where space comes at a premium? A regular rpi pico is to large? Have a look at the XIAO-RP2040 from Seeed Studio.
Tiny Seeeduino XIAO board gets Raspberry Pi RP2040 MCU - CNX Software
[PRE-SOLDERED]: No need to do any soldering. Ready to plug sensors in and get started! [SMALL FORM FACTOR]: The XIAO RP2040 is extremely small,
Seeed Studio XIAO RP2040 Pre-Soldered with USB to USB-C Cable - Supports C, Arduino, MicroPython and CircuitPython
The Smallest Raspberry Pi ever !
RP2040 | RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom. Dual-core Arm Cortex M0+ processor, flexible clock running up to
WisdPi Tiny RP2040 | Tiny MCU Board Based on Raspberry Pi RP2040 Chip, Dual-Core Arm Cortex M0+ Processor up to 133 MHz, Onboard 4MB Flash, RGB LED