Some electronics projects
The Anycubic Photon is a great, very inexpensive resin 3D printer. I got it to try and make machine parts and to learn how to design parts for 3D printing. One issue it has is the Z-axis is not very stable and the very slight side-to-side movements can cause ‘z-wobble’ (this is corrected in the …
One QuadServo board being used to control 3 custom servo motors Hardware For a robotics project I needed a way of controlling at least 12 motors with analogue feedback to turn then in to servo-motors. I needed a separate board for each of the 4 ‘legs’ of the robot which have 3 motors …
QuadServo – Control 4 DC servo motors + 8 RC servos Read More »
I released a new app – Long Music Player, check it out: http://www.longplayerapp.com/
Overview Quad Bot is a small robot designed and built from scratch. It has a simple robot arm with 4 degress of freedom, and a small colour camera JPEG camera. It has evolved and is now controlled over Wifi, allowing control with any Android phone. There are 4 independently controlled wheels, allowing maximum control. …
My Android app Power NZB was release a few months ago. I’ve just made a new website to host more details, see: www.powernzb.co.uk
This information was contained in my Quatbot project post, but I have moved it here instead. I decided to test out some PID control of the speed of a wheel in a project I was making. I thought it might be interesting to interface directly with Simulink in Matlab and try and use the provided …
I have finally made a blog for an Android game I have been making for the past few months. I have not been able to spend much time on it recently, but hopefully it may be finished one day! http://www.spacebooty.emtronics.co.uk
Introduction I designed a small (70mm X 65mm) FPGA board around a Xilinx Spartan 3 FPGA. I decided to make my own for the design experience and it would be cheaper overall than purchasing 4 pre-made boards (excluding time spent of course!). The board contains everything needed to program and run the FPGA + it …
Introduction I got given a Panasonic PT-AE500E projector as it was ‘broken’. As you have probably guessed, the only thing wrong with it was the bulb. Unfortunately the bulbs are ridiculously expensive which meant it was effectivly a write off. So I decided to try and fit a super bright LED instead. I knew it …
Introduction I received a Parallax HM55B compass module and wanted to quicky test it out, so I interfaced it with an old AVR and wrote a program to read the X and Y values and send them to a PC over the serial port. Design HM55B test video The compass module is wired to PORTB …
Testing the HM55b Compass module with an AT90S2313 AVR Read More »
Introduction I built this interface board to allow faster, easier communication to a PC from a Jennic Zigbee module. The FT245BM USB interface chip is wired up in parallel to the IO ports of the Jennic, there is a small driver for the Jennic which allows you to send/get bytes and read status info. Design …
Introduction As I was riding into work during the winter, I wanted to try and reduce my risk of being hit by a car. I decided to make myself very noticeable and different to the drivers, which will hopefully mean they will drive with more care around me.
Introduction Last year I saw an article on Engadget on the Haptic Compass Belt, since then I have wanted to make one. Finally a year after having half the components, I decided to design and build one.