Etching heater

Etching with Ferric Chloride is a messy business. So the quicker you can get it over with the better – and for a few reasons. One way to decrease the time taken to etch is agitation: basically stir the mixture or dunk the board in and out of the etchant. The...

BuildBrighton PCB making workshop

Yesterday (Saturday) was BuildBrighton‘s PCB making workshop, as part of the Brighton Digital Festival.From a worryingly quiet start, we ended up with six people taking part in yet another successful practical workshop – 100% success rate! Over six hours,...

Making the reader PCB

With the pcb design drawn out (check out that trace routing!) it’s time to have a go at making a circuit board. Each cube location (there are four in total) has five pins. Four of which are simple digital inputs and one a serial comms input pin.Four lots of four...

Tray reader PCB

At this stage of the blog, we’ve already explored a few ideas and have a decided on a method for reading the position of up to four cubes at a time, which will be explained in more detail later. The basic idea is that each cube will be relatively low cost and...

Making the reader PCB

With the pcb design drawn out (check out that trace routing!) it’s time to have a go at making a circuit board. Each cube location (there are four in total) has five pins. Four of which are simple digital inputs and one a serial comms input pin.Four lots of four...
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