Building Atmel Studio ASF Project using External Makefile
The Atmel Studio IDE is a useful tool thanks to the comprehensive debugging support and management of project drivers via the Atmel Software Framework (ASF) – coming from a hardcore Vim advocate. One...
View ArticleDeveloping Simulink Device Drivers for ARM Cortex
Simulink Embedded Coder offers an ARM Cortex-M support toolbox, which includes code optimisation for the MCU and QEMU emulation but lacks any S-Block drivers for the device. The lack of drivers limits...
View ArticleNoise Crayon – Noise Amplitude to Light Spectrum Converter
Continuing on from my Ambient Noise Level Indicator, I wanted to create an enclosure and make it stand-alone – not requiring a computer to do the processing. I ended up with a little device that...
View ArticleRaspberry Pi DAC – MCP4725 with wiringPi
The Raspberry Pi lacks a DAC but using the I2C bus, one can easily add a device like the 12bit MCP4725. The GPIO library wiringPi provides support for I2C devices, however, getting the MCP4725 working...
View ArticlePiJig – Raspberry Pi Breadboard Jig
PiJig Draft The post PiJig – Raspberry Pi Breadboard Jig appeared first on John Whittington Engineer.
View ArticleSetting Wooden Bits via BLE and ESP8266
My laser cut binary clock, Wooden Bits, originally had no means to set the clock, other than at compile time. I later added a tactile button and ISR to provide this function (increment the time until...
View ArticleSimulink Raspberry Pi Driver Blocks
Following on from adding support to wiringPi for the MCP4725 DAC, I wanted to add driver blocks to Simulink such that one could use them to create graphical models for the Raspberry Pi that could...
View ArticleGarmin Quarter Turn iPhone Mount
I frequently find myself navigating ’round on my bike, juggling Google Maps precariously in one hand. I don’t appreciate the bulky handlebar phone mounts about so thought I’d make something to neatly...
View ArticleBike Frame Wall Mount
The post Bike Frame Wall Mount appeared first on John Whittington Engineer.
View ArticleNixie Tube Energy Meter
Having recently bought a house, project time has been a bit thin on the ground. As a standard terrace house, the consumer unit and electricity meter were in the entrance hallway, exposed and looking a...
View ArticleRemote Nixie Energy Meter
My dad was impressed by my nixie tube energy meter project and expressed interest in his own. Unfortunately, the power inlet for his house was under the stairs and out of view, unlike mine in the...
View ArticleWhitterm-220 Clever Serial Terminal
The Whitterm-220 (WT-220) is my latest project. It’s a clever terminal, in the sense that it aims to emulate the dumb terminals of the 80s but with the versatility of something produced now. The name...
View ArticleChess Table
We needed a coffee table for our new house but had yet to find the right thing. I found this tired black circular table outside a neighbour’s house and was inspired to create a nice top for it. The...
View ArticleRaspberry Pi Data Logger with InfluxDB and Grafana
A need popped up at work for a data logger for various lab tasks. Quickly looking at the market, I failed to identify a lab tool for data logging (cheap, easy but powerful setup, remote access);...
View ArticleNixie Pipe – Modern Day LED Nixie Tube
Nixie Pipe is my interpretation of a modern day Nixie Tube – the cold-cathode vacuum gas-filled tubes from the 1960s. The project came about when I decided to make a clock for my kitchen, with specific...
View ArticleAdventures with Flippy the Flip-dot Display
Considering my next project, I wanted to make an electromechanical display using magnets. I turned to the internet for inspiration and quickly came across Flip-dot displays; solenoid driven pixels. A...
View ArticleHonock – Hexagon Honey Clock
The post Honock – Hexagon Honey Clock appeared first on John Whittington Engineer.
View ArticleIs Bristol Choking – Air Pollution Web App
I had some of my Nixie Pipe displays showing air pollution data collected by the council, using a Python web scraper at an art trail and people seemed very interested and unaware of the data. I...
View ArticleSamsung Frame TV Oak Tripod Stand
Being part of a generation that doesn’t watch TV…except documentaries and films…and YouTube…as well, might as well watch it on a big screen. Got a TV, a Samsung Frame – designed to look like a picture...
View ArticleWooden Bits Binary Clock FPGA Port
In attempt to get started with FPGAs and Verilog, I decided to port Wooden Bits to a Lattice IceStick – selected because of the Open-Source IceStorm toolchain. Counters and flip-flops are the first...
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