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µBOT v3 – project update

Shane Ormonde3 years ago1 month ago06 mins

v3 was really really close to working. The PCB arrived and I assembled it: This picture was taken towards the end of the day. There are actually three steppers attached here. The one on the bottom left is different to the rest as I ran out of the threaded rod type stepper. The stepper on…

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  • Hardware
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  • PCBs

µBOT v3 – An experiment in making a small robot (part 1)

Shane Ormonde3 years ago1 month ago15 mins

This idea of making a small robot has been knocking around my head for the past few years. Here is the original design (v1) from a few years ago: I made a mistake when programming the “fuses” on the AVR chip which meant it was effectively bricked. For some reason I never came back to…

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Spooky Alexa mask documentation

Shane Ormonde3 years ago1 month ago38 mins

This is the animatronic mask made by Keith Colton for the 2019 Dublin Maker Faire. This post will document the assembly and the current electronics being used. All images can be clicked on to view the full resolution image. Mechanical Assembly: In this photo you can see the animatronic mechanism. There are three servos in…

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  • OpenWave

OpenWave #9 : Measuring significant wave height in the frequency domain

Shane Ormonde3 years ago3 years ago03 mins

  The last post looked at two time domain measurements of significant wave height, the highest 3rd calculation and the 4 times the standard deviation measurement. It turns out that the standard deviation measurement can also be made in the frequency domain. This is because the variance of a time domain signal is equal to…

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  1. Mikhail Grushinskiy on OpenWave : Development of an Open-Source and Low-cost wave sensorMarch 6, 2023

    I’ve wrote something similar: Estimating wave height from IMU accelerometer on a moving boat https://bareboat-necessities.github.io/my-bareboat/bareboat-math.html code: https://github.com/bareboat-necessities/wave_height_from_IMU

  2. Artsy on Laser cut carboard planetary gearJanuary 30, 2023

    I absolutely love this! Thank you for making this video and sharing your file. I will be making projects with…

  3. Raffi on Matchbox Car v2 (fail)December 11, 2022

    You could just resolder another ATtiny? Cool Blog, thanks for putting your stuff out there!

  4. irfan on atmega16u2 virtual serial example using LUFA LibraryMay 28, 2021

    this device is used for what

  5. wattnotions on OpenWave : Development of an Open-Source and Low-cost wave sensorFebruary 28, 2021

    Hi Alex, Once I had the vertical acceleration to displacement script working, I could use it on any set of…

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