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Sunday, 08:24, 26/02/2023Edit⁵:Well, guess who made mistakes AGAIN?!So, I made this project log with the idea that 10mm McKibben muscle can output 200 lbs of force because of the Hackaday video.The thing is that I missremembered it, and in...
So now that we have basic framebuffer commands out of the way, Next thing we need to do is figure out the Memory-to-Pixel layout of the framebuffer. I will spare you the experimentation process to get to where I have, plus its been a couple...
We need to create articulating joints for our 3D scanned hand. I use the joint geometry of Steve Wood's "Flexy Hand" and integrate it into my 3D scanned hand model in Blender. You can also use e-NABLE's standard prosthetic hand models - in fact this...
Pests such as rabbits are a big problem in my region (Anglesey, UK) when it comes to planting up a new orchard. Tree guards can be used on more established trees, but when they have been freshly grafted, as in the photo below, they are extremely delicate...
I make a small image of a skeleton inside a figure and scale it up to about 4 foot tall. I also arbitrarily decide that the final weight should come in at about 5 kg. Much heavier or taller and I'm going to have difficulty physically handling it during...
small vibrating motors: ~84c each (ebay - $8.36/10)LDRs: ~5c each (ebay $0.99/20)Simple SPDT switches, ~10c each. (ebay $1.86/20)Toothbrushes : ~17c each (dollar store $1.00/6) 2xButton cells: 25c each (dollar store $1.00/4)And creepy crawly to go on...
A digital pet with dedicated physical hardware would be heckin cool. What features would make it extra cool?- long battery life (multi week or even multi-month if possible, even better if rechargeable) - relatively easy to make software for (via...
21/01/2024, 08:22, Sunday. I'm quite stoopid, I already said I gave up on the project, but I can't, for the life of me, just give up. And besides, like I said on previous logs: looking for artificial muscles/soft actuators is my hobby now....
The 16.5 foot diameter Artemis heat shield (Image from NASA/Glenn Benson) I had visited NASA’s Kennedy Space Center (KSC) in Florida where I had the pleasure of touring the Thermal Protection System Facility (TPSF) Annex run by Jacobs Space Operation...
TL;DR I got the Pro Mini XL working with the Arduino-LMIC library. It’s performing OTAA to The Things Network over LoRaWAN. And it’s reporting temperature and humidity measurements from an SI7021 sensor - with 80% program memory to spare! (Note: There’s...
It's been a little over a month since the student in Warsaw deployed one of these and despite freezing temps and lots of snow the thing has been working fine. It does get clogged with snow build-up though, so a small resistive heater on the plarform...
Here's what was supposed to be the initial concept for a plant automation system. A pump / control head is mounted to a reservoir with 1.5 .. 20 L volume. The head contains a small brushed motor peristaltic pump in a pipe clamp with vibration damping....
I got a shipment with the 600 V-rated ES1J and the VS-3EMH06-M3 diodes. How does a "hyperfast" rectifier compare to the "ultrafast" part I started with? Looking at the voltage on the rise time on the secondary shows it's close to twice as fast (47 ns...
A great idea is awesome, but one is never enough. A great game is usually one great idea evolving into another. Half-Life starts as a shooter, but then throws in the-floor-is-made-of-lava (the first antlions level) and eventually adds elements of capture...
Living in the desert we are constantly struggling with dust and dirt. The air is so dry that the dust floats uninterrupted for days. Plus we have these amazing seasonal dust storms comically called haboobs that seem to blanket everything...