You’ve heard a lot of stories over the past year from employees as SparkFun celebrated its 20th anniversary. As the finale for our celebration, let’s hear from Nate about his favorite memories from the last two decades. He’s been

David describes using his converted solar power boat on a recent trip: I’ve just spent 6 days on the Murray River, cruising about 200km on solar power alone, sleeping and cooking on my solar powered Hartley TS16 sailboat. I’ve

OpenAutoLab is a machine, that can automatically develop black-and-white and color film without user interruption. OpenAutoLab is an attempt at making a cheap and simple film developing machine. Inspired by Jobo Autolab, but cheaper, more repairable and open source.

picowota implements a bootloader for the Raspberry Pi Pico W which allows upload of program code over WiFi (Over The Air, OTA). The easiest way to use it is to include the code repository as a submodule in the application

A couple weeks ago mitxela shared the process of adding a pcb and LEDs to a 16 gauge hypodermic needle to turn it into a glowy ear accessory. SO TINY! Our journey begins in the summer of ’22, when

Lizabeth Arum at Voltaic shows how to create a LoRa wireless networked device with an Adafruit Feather M0 RFM95 LoRa Radio 900MHz connected to a sensor and powered by a e-Peas energy harvester and a Lithium Ion Capacitor (LIC).

PulseHPT is a compact shutter speed tester for vintage cameras. Quick and easy measurement via Hot Shoe or PC socket. As well as accurate though-the-lens testing with light sensor. Ideal for in-the-field testing of unknown cameras. When taking a

Blinkekatzen are a replacement PCB for commercially available silicone LED lights available via various online retailers. The lights usually contain a battery and some RGB LEDs in a cat shaped housing. Blinkekatze adds a number of RGB LEDs, sensors and