Engineering and other random stuff
Introduction I love my 2006 Hyundai Sonata; it’s a great car. It just has one shortcoming – the radio setup is a little dated. I’d love something more modern – something that could pair with my phone, offer hands-free calling, BT streaming, and do GPS navigation. A reversing camera would
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Today I wanted to take something apart, and the people that made it clearly disagreed. The screws holding the thing – a doorbell chime – together were a type of security screw I hadn’t run into before.
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In Part 1 I talked about the programming arrangement that I used for the first batch of Z probe boards. After flashing that batch of boards, I got to work on a slightly more automated solution.
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One of the more interesting components in the Mark2 3D Printer is the Z probe, an IR probe that precisely measures the height of the bed for automatic bed-levelling.
This is the first product that I’ve needed to program and test, and I’ve had some fun along the way trying to make the process faster.
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The mains input sockets for the Mark2 printers arrived today – I had some fun wiring them up, and I think they’re going to be included in the printers going forwards.
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I’m almost at the point where I need to lock the design down and start kitting things for the December launch – a pretty daunting prospect, I must say. Before I finalise things, there’s one last idea for an improvement that I’ve been thinking about for a while – and
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I previously discussed my intention to develop an expansion board to add a few extra controllable fans to RAMPS. I finally arrived at a solution I’m happy with – TinyFan.
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One of the problems I’ve encountered in the past when using RAMPS electronics to control a dual-extruder printer is the lack of sufficient fan support. Dual extruder setups can require a few fans, usually one controlled fan (for cooling the print) and one or two always-on fans for cooling the
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Testing out the integrated spool holder today – let’s see how well this thing works!
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Prototype frame is in from the laser cutters! Time to start testing stuff!
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