Compact RP2040‑based microcontroller board with 2.4 GHz Wi‑Fi for affordable embedded and IoT projects.

The Pico W is still my favorite quick-deploy microcontroller. For $10-ish you get the dual-core RP2040, built-in 2.4 GHz Wi-Fi, and enough RAM to run MicroPython web servers or C++ FreeRTOS projects. I’ve used it for Home Assistant sensors, MQTT air-quality probes, and even a tiny serial console for my Pi cluster. CircuitPython support has matured nicely and the UF2 bootloader makes firmware updates as simple as dragging a file. The official SDK exposes Wi-Fi primitives for C/C++ and there’s now native support in MicroPython 1.22, so you can stand up sockets with a few lines. My only nit: there’s still no BLE radio, so if you need Bluetooth you’ll need an external module or the Pico 2. For Wi-Fi-enabled tinkering and teaching embedded basics, nothing competes at this price.

Compact RP2040 microcontroller with built-in 2.4GHz Wi-Fi. Perfect for IoT projects and embedded development with MicroPython, CircuitPython, or C SDK.

Raspberry Pi Pico W with Built-In Wi-Fi and RP2040

Raspberry Pi Pico W

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Raspberry Pi Pico W Products

Raspberry Pi Pico W