Exploring LoRa and Meshtastic for Off-Grid Communication

Anyone tried using LoRa and/or Meshtastic for off-grid communications? Seems like a really neat concept, and if I’m getting this right it’s a matter of selecting the right LoRa device, […]

New Approach to Scaled Fonts on Small Displays

Thought this was a clever concept, and something I’d never considered: https://www.hackster.io/news/smooth-big-text-for-little-graphics-displays-686540827fd2 Basiclaly, when you scale up a very small font to a customized higher-rez font it either looks blocky […]

Anyone familiar with QMK firmware for custom keyboards?

A few years ago I did a Kickstarter for a macro pad called the JC Pro Macro 2. It was programmed in the Arduino IDE, and worked really well for […]

Exploring the Real Capacity of CR2032 Batteries

Was cool to be able to do this article, taking a deep dive into the real capacity of CR2032 batteries. the TL;DR version is that they are meant for REALLY […]

Exploring the Arduino Nano Matter and Alexa Integration for Home Automation

Working on a presentation/article involving the Arduino Nano Matter: https://store.arduino.cc/products/nano-matter – the idea is that it uses the Matter set of rules to communicate using the Thread network. It needs […]

RP2354 with Onboard FLASH Memory: A Game Changer for Simplicity?

Hadn’t seen this before now, but the RP2354 is adding FLASH memory onboard! Seems like a huge improvement from a simplicity standpoint. https://datasheets.raspberrypi.com/rp2350/rp2350-product-brief.pdf – That being said, I’m not sure […]

Anyone seen/worked with the new Arduino Nano Matterand/or the Matter home automation standard?

Anyone seen/worked with the new Arduino Nano Matter: https://store.arduino.cc/pages/nano-matter and/or the Matter home automation standard? going to be doing a class on it in January and the Nano Matter’s big […]

How to Implement Scrolling Display for MIDI Inputs on Arduino Opta with SSD1306 OLED?

Latest step in a MIDI drums project: Displaying MIDI inputs to an Arduino Opta w/ an SSD1306 OLED and my AUX adapter device https://www.tindie.com/products/35482 Wasn’t too hard to get the […]

Can I Use a Single Pin as Both Rx and Tx on an ATtiny85 for Software Serial?

Related question: I’ll likely use an ATtiny85 for this project, meaning limited IO pins (WIP schematic pictured). I’ll mostly be listening for signals with a software serial Rx pin, but […]