Andy Clark's Blog

Dragonboard 410c GPIO

Workshopshed

For my Dragon detector project I was interested in activating some kind of attached "defence" when a dragon was detected. For this I intend to use the GPIO pins, the 96Boards GPIO library only has basic functionality at the moment, digital read and w...
- 15 May 2016
Dragonboard 410c Installing software

Workshopshed

Following on from Getting started with Dragonboard 410cFor my project to work, I need the following: Internet connectivityWebcamPythonOpenCVGPIO I decided to tackle the software elements first as those were the areas I was least familiar wi...
- 9 May 2016
Gnomes Workshop - Sensors and Motors

Workshopshed

Once the headless Raspberry Pi had been set-up we got started with Node-Red, sensors, LEDs and Servos.For the sensors I selected 3 different kinds, light, touch and motion. The light sensor is based around a simple LM393 comparator with a preset...
- 5 May 2016
Getting started with Dragonboard 410c

Workshopshed

After my slightly jovial entry to the DragonBoard competition was accepted, I was sent a board to do my project with. I was also sent a US power supply so had to get an adaptor for it to work (luckily the supply was rated for 240v). For setup, I...
- 4 May 2016
An unexpected journey

Workshopshed

I had a great start to 2015, I'd just been selected to Road Test a Cel Robox 3D printer at the end of December and managed to get detailed look at the inside of the printer and also do some test prints before the printer went off for an upgrade a...
- 30 Dec 2015
Christmas Tree Trinket

Workshopshed

A simple project to flash some LEDs as is traditional at this time of year. I took a Adafruit Trinket which is an ATTiny based board and added some transistors as simple open collector drivers. The resistors were carefully calculated by just gra...
- 13 Dec 2015
Learning about computers in the 1980s #Micromemories

Workshopshed

I was lucky enough to grow up at the time that the home computing in the UK was taking off. Micro Live was on the telly and Sinclair User and Crash Magazine were in the news agents. School At school we had BBC computers, they first appeared...
- 9 Jul 2015
Creating a part for Fritzing

Workshopshed

As part of the Enchanted Objects Design Challenge I wanted to draw up some circuit diagrams. Given that I was planning to mostly use modules I chose Fritzing rather than Eagle as it's good sketch like diagrams. As I was hoping to use the RGB...
- 27 Mar 2015
Updated blog

Workshopshed

My making and repairing blog over at Workshopshed has had a bit of a make over, you should find it easier to find things now.
- 15 Jan 2015
Review of 2014

Workshopshed

My main project for 2014 was a combination of electronics, mechanics and software. The Topsy Turvy Clock uses an Arduino Micro, RTC and Darlington buffers to control two stepper motors to tell the time on this rather unique clock. It turned out to be...
- 31 Dec 2014
Electronic cigarettes and universal power supplies?

Workshopshed

What do you think? Is it user error for using the "wrong charger" or a design fault? Workshopshed: Exploding E-Cigarettes
- 23 Apr 2014