#projects

6 ESP32 projects to build including an OLED pulse oximeter

Julian Horsey writing for Geeky Gadgets rounds up six ESP32 builds from Hacktuber, starting with a pulse oximeter. It pairs a pulse oximeter sensor with the ESP32 to read heart rate and blood oxygen saturation, then shows the numbers on a small OLED screen. The rest cover a good spread of what the chip can […]

Adafruit Blog · EN

CutScape v0.6.0: an InkScape extension for outputting to 2D plotters, cutters, engravers, and CNC…

Developer jetpax has released version 0.6.0 of CutScape, an Inkscape extension that sends drawings out to 2D plotters, vinyl cutters, engravers and CNC machines. The release is posted on GitHub. This version adds presets for Secabo’s C IV, S and T series cutters. CutScape’s messages no longer trigger Inkscape’s warning dialog, and the whole interface […]

Adafruit Blog · EN

How to build an air purifier in 6 simple steps

John Alexander built a DIY air purifier for Popular Science and wrote up how it went. The design is a Corsi-Rosenthal box, or CR box: four square furnace filters taped into a cube, a cardboard bottom cut from the fan’s shipping box, and a box fan on top. The fan pulls air in through the […]

Adafruit Blog · EN

llm 0.37

Release: llm 0.37 There's a lot of stuff in this new release of my LLM CLI tool and Python library, representing around two months of accumulated features and fixes. I added gpt-6.1-sol and gpt-6.1-terra , plus a new llm openai endpoint add command to make it easier to configure additional models that use OpenAI-compatible endpoints. I switched the default model (if you have not set your own default) to gpt-6-luna - half the price of the previous default, gpt-5.6-luna . LLM's support for embeddings now accepts that different binary content may have different content-type - necessary for models

Simon Willison · EN

How about a Hallowuino half-dozen?

It’s almost that time of year again! No chance to 3D print your Arduino®-powered pumpkin project? Didn’t get around to animating the LEDs on your costume? There’s still time, and here’s a half-dozen Hallowuino-themed projects to get you inspired. Spooky, Sassy Pumpkin You’ve heard of Spooky, Scary Skeletons, well here’s a Spooky, Sassy Pumpkin that […] The post How about a Hallowuino half-dozen? appeared first on Arduino Blog .

Arduino Blog · EN