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396 results for “drfootleg”
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Progress on the #CloudChamber project electronics. I found the collection of LCD screens I had bought a while ago from AliExpress and managed to get one wired up and working with a Pico and #CircuitPython.
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Nat and I assembled the case and cooling plate assembly of the cloud chamber. Initially a quick dry assembly to test the fit. Everything went together but nothing got cool at all. Investigations determined the Peltier plates were just getting very hot so thermal transfer to the water block was not working. Now with a slimmer TPU frame and thermal paste applied throughout we have it cooling down the metal plate. Testing can commence! #CloudChamber #Science #OpenScience
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After 6 hours drying my TPU filament, this frame for the #CloudChamber cooling plate printed really nice. #3dprinting
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The lighting mount I designed has printed perfectly. Really nice fit of the Daylight on a stick mini by #Vector3D too. These LED illumination boards were designed for the Voron 0.2 3D printer but are perfect for my needs here. We plan to mount a pair of these either side of the cold plate in the #CloudChamber
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@[email protected] Started assembly of the frame and cooling loop tonight. #CloudChamber
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Good progress on the #CloudChamber CAD model tonight. I added LED strip lighting around the plate. Now I have positions for the mounting holes I can laser cut the acrylic at Makespace tomorrow. Then we can start assembling it an do more testing.
#maker #science #stem -
After a little light filing work, the water cooler block fits perfectly in the mounting plate I printed last night. Peltier plate stacks in position. Ready for a temperature test run once the next 3D print of a shim plate is finished. #CloudChamber #STEM #3dprinting
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Molex connectors all crimped onto the Peltier plates. #CloudChamber #Maker
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This came out remarkably well. No warping at all. Printed in some budget brand ABS that somebody left on the swaps table at FootFest over a year ago. First part of the #CloudChamber project printed!
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We are long over due for some constructive project making on my feed. I have done some more work on the CAD model for the cooling plate assembly for the cloud chamber project I am working on with my daughter. I am going to try 3D printing these parts this weekend. #CAD #STEM #CloudChamber #3Dprinting #maker #MakersHour
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Really nice cloud chamber in Liverpool University physics department. Amazing how much cosmic background radiation is detected all the time even in a large multi story building. #Science #steam #stem #CloudChamber
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@rpimag Father and daughter project to see cosmic background radiation. We are designing and building a cloud chamber. Temperature monitoring is using a RP2040 pico board to read a pair of digital temperature sensors and drive a display. The rest is high power regulators to drive stacks of Peltier plates. This is all the parts laid out to help us design a case for it all. #MakerMonday #cloudchamber #STEM
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@rpimag I hosted the #HackyRacers autonomous robotics racing meet over the weekend. Lots of #RaspberryPi and Pico brains in robots, and a load of fun had. #MakerMonday
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I’m not sure how it steers when the front wheels are not actually touching the ground! #hackyracers
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SLO-Mo action from yesterday. Looking forward to more #hackyracers action today.
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Having a great time hosting the Hacky Racers robotic series event this weekend. #HackyRacers
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@MakersHour Hi I’m Footleg. This week I’ve mainly been working on preparing for the #hackyracers autonomous robotics racing event this weekend. Tonight has been spent filing down 3D prints and working through the #MakersHour questions backwards.
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A few more QR code gates to make today for #hackyracers autonomous competition.
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I’m going to be seeing QR codes in my sleep tonight. #HackyRacers
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It looks an absolute beast, but the drive chain and steering fail in almost every way. I just tried to make it move with the wheels on and the motor is so fast that it doesn’t have the torque to even move it, and the steering servo doesn’t have the torque to move the steering at all if the wheels are touching the ground. #HackyRacers
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I haven’t got my robot mobile yet, but we have built a test course and taken Brian’s robot for a spin. #hackyracers
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Well it printed beautifully. Now let’s see if all that late night CAD iterating has got everything in the right positions. #hackyracers
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Over a month on, I have not been idle on this project. The positioning of the steering and suspension assembly took a lot of tweaking to get right with my actual parts dimensions. But the suspension travel now works without the wheels tilting in an out. Then I had to make the drive components and servo fit around all this. Adding ribs for rigidity. Space is tight, but I'm getting there. #HackyRacers
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Pleased with today's work. I designed a mounting system for QR codes to be used as gates for the #HackyRacers autonomous robotics racing event in a few weeks time. We need around 50 of these gates, so the design needed to be weather proof, low cost, low effort and possible to make from scratch on site in case any gates have 'accidents' during the racing.
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A lot of progress on the CAD model for my #HackyRacers A2 class autonomous racer since I last posted about it. Parts for the steering linkages arrived and tonight I measured and modelled these. So now I have a working CAD steering assembly to tune the dimensions of.
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How did things get so complicated! Many iterations later, I am printing my final-final-final test fit parts. #HackyRacers #CAD
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Two steps forwards, one step back. Just as I had got the gear meshing really nicely tuned with the nice differentials I bought, I realised the dogbone cups on them were too large for the dogbones my suspension arms need. Luckily they came with another pair of differentials but they are a different size to the others in all dimensions, so several hours of CAD later and we are doing test fit prints again. #HackyRacers
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Good progress this week on the CAD modelling of the alloy parts I bought for my A2 Hacky Racer. I started designing the rear wheel assembly tonight. #HackyRacers #CAD #robotics