Tag Archives: Arduino

micro:bit pulse oximeter

Posted on September 30, 2021 by blogmywiki

Around the same time I bought a cheap eCO2 sensor, I bought a MAX30100 pulse oximeter board for a few quid. I never got it working, partly because the protocol for making it work is very complex (way more complex … Continue reading →

Posted in computers, microbit | Tagged , , , , , | 2 Comments

Adventures in Arduino TinyBASIC

Posted on August 30, 2021 by blogmywiki

I’ve been watching Wifi Sheep’s Arduino simple BASIC computer builds and this cool little project using LCD and OLED displays with interest, and I thought I might have a go at building something similar myself with parts I have lying … Continue reading →

Posted in Arduino, computers, microbit | Tagged , , , , | Leave a comment

Cheap KIM-1 clone

Posted on July 26, 2021 by blogmywiki

I’ve written before about how the KIM-1 (my brother’s) was the first computer I ever used, and how the very first programming I did as a child was 6502 assembler rather than BASIC. This led to me to make little … Continue reading →

Posted in Arduino, computers, nostalgia | Tagged , , , | Leave a comment

Playing Arduboy games on a micro:bit

Posted on November 28, 2019 by blogmywiki

There are lots of little machines and platforms for making and playing your own games now; various colour LCD MakeCode Arcade machines, the Arduino-based Arduboy which uses a tiny but crisp black and white OLED display as well as the … Continue reading →

Posted in Arduino, computers, microbit | Tagged , , , | Leave a comment

Arduino composite video out using only 3 resistors

Posted on January 15, 2017 by blogmywiki

It’s supposed to be easy – 2 or 3 resistors and you can get your Arduino micro controller to produce low-resolution black and white composite video. Well, it wasn’t for me. It took me hours to get it working, but … Continue reading →

Posted in Arduino, computers, hardware | Tagged , , , | 9 Comments