Author Archives: Jason Hotchkiss

POV Fun With 2.5" Hard Disk Drives

I picked up a few faulty laptop drives cheap on ebay to take to bits and use for POV projects. I haven’t finished them yet, but have been tinkering over time and will post my progress as I go.For the first one I wanted to put a row of SMD LEDs on the p… Continue reading

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Midi-izing the Reissue Stylophone

A while back I did a “midi conversion” of a couple of Stylophones (The original analog model). I did this by removing the Stylophone electronics and leaving just the stylus, keyboard and resistor ladder. Using the keyboard as a voltage divider its then… Continue reading

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Flashing LED Christmas Card Project

This is a DIY project to create a flashing christmas card based on a 555 timer. I did a project like this many moons ago at school, and when my local hackspace, Build Brighton, were thinking of seasonal electronics projects we could offer in workshops … Continue reading

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Flashing LED Christmas Card Project

This is a DIY project to create a flashing christmas card based on a 555 timer. I did a project like this many moons ago at school, and when my local hackspace, Build Brighton, were thinking of seasonal electronics projects we could offer in workshops … Continue reading

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Lost in Maths! (2D Sound location with 4 sensors)

This post is about my ongoing project to do fast 2D sound location on a ping pong table, this is some ideas I’ve been having and wanted to share – since I need some help!Ok here’s the problem… we have a rectangular area ABCD and somewhere in that are… Continue reading

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Musical ping-pong tables and 2d multilateration

I’m currently trying to help out a local artist who is building an Interactive Ping-Pong Table, where each bounce of the ball generates a musical sound which depends on the position of the bounce.I thought it should be possible to do this without drast… Continue reading

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Musical ping-pong tables and 2d multilateration

I’m currently trying to help out a local artist who is building an Interactive Ping-Pong Table, where each bounce of the ball generates a musical sound which depends on the position of the bounce.I thought it should be possible to do this without drast… Continue reading

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POV message fan project update

Got a bit of time this evening to test out the LED array I made yesterday for the Build Brighton message fan..The thin wire-wrapping wires are soldered to a scrap  of veroboard for test connections , and the code is running on a PIC16F688. Th… Continue reading

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Home made flexible circuit boards

I got a couple of pieces of flexible copper-clad kapton sheet from ebay a few weeks back, and just got round to trying it out….We have a new project at Build Brighton hackspace to make a POV fan to display SMS text messages sent to it. There is a lon… Continue reading

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Home made flexible circuit boards

I got a couple of pieces of flexible copper-clad kapton sheet from ebay a few weeks back, and just got round to trying it out….We have a new project at Build Brighton hackspace to make a POV fan to display SMS text messages sent to it. There is a lon… Continue reading

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