Tag: raspberry-pi

All the articles with the tag "raspberry-pi".

• Raspberry Pi as SWD Programmer: Flash CircuitPython on Particle Xenon

  Updated: 5 Apr, 2026

  How to use a Raspberry Pi as an SWD programmer with OpenOCD to flash the CircuitPython UF2 bootloader onto a Particle Xenon (Nordic NRF52840) board.

• Raspberry Pi Headless Setup: SSH and WiFi Before First Boot

  2 Dec, 2018

  The clean way to set up a Raspberry Pi headless — drop a wpa_supplicant.conf and an empty ssh file on the boot partition to enable WiFi and SSH before the first boot, no monitor needed.

• IoT Holiday Lights

  25 Dec, 2017

  Smart Christmas lights with Neopixel addressable LEDs, MQTT control, Alexa voice commands, and a live Raspberry Pi camera feed — all built on ESP8266 and open-sourced under MIT.