Electronics

SAM Coupé

Investigating the SAM Coupé Network Interface

Figuring out the SAM Coupé 8 bit home computer's networking abilities

23 Nov

SAM Coupé

SAM Coupe Network Interface Design

Details of the SAM Coupé networking circuitry

23 Oct

Python

Plotting with Etch-a-Snap

So far we've built the Etch-A-Snap and processed an image to produce a 1 bit image.

07 Apr

Python

Etch-a-Snap Image Processing

Etch-A-Sketch is a very simple 2D plotter which is limited to drawing a single unbroken line, of a

07 Apr

Python

Drawing with an Etch-A-Snap

The image processing produces a 1 bit image (B&W) of 240x144 pixels. The next step is to take

07 Apr

Python

Building the Etch-A-Snap

Etch-A-Sketch is built from a pocket Etch-A-Sketch and 6 individual 3D printed components. The control is

07 Apr

Tutorials

Displaying images on OLED screens with MicroPython

Using 1-bpp images in MicroPython

27 Aug

Electronics

Driving I2C OLED displays with MicroPython

Driving I2C monochrome displays with SSD1306 from MicroPython

25 Aug

Electronics

Turning a Lucky Cat into a Persistence of Vision display

Python-powered Maneki-neko persistence of vision scroller

14 May

Reference

Wemos D1 pin numbers & functions

Pin mapping and I2C/SPI from MicroPython

08 Apr

Biology

Heart rate sensors

Photoplethysmography, because that's a real word

27 Feb

Python

KropBot

The multiplayer internet-controlled robot. It turns out it's a terrible idea.

15 Aug

Electronics

Scroll pHAT Tetris

The Scroll pHAT is a little 11x5 (55) white LED matrix pHAT which you can control easily from a Raspberry

05 May