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DIY UV PCB exposure box

Shane Ormonde9 years ago9 years ago45 mins

UV exposure boxes sell for hundreds of euros from vendors such as RS electronics and Farnell when they can be built at home for approximately 70 euro. I used a plant pot to build mine because it was the only opaque container I could easily get my hands on. Here is a picture of the…

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  • 2d mapping
  • C
  • Hardware
  • Microcontrollers
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  • Python

2d mapping using a webcam and a laser

Shane Ormonde10 years ago8 months ago211 mins

Following on from my previous blog post using a webcam and a laser as a rangefinder, it’s now mounted on a cheap 3 euro stepper motor and used to make a 2d map of the surroundings. As you can see from the video the results are not great, I think with a bit more work…

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  • C
  • Microcontrollers
  • pic microcontrollers
  • Plotters
  • Projects

Second attempt at making an x-y plotter (TinyPlotter)

Shane Ormonde10 years ago8 months ago21 mins

This plotter was built using parts from cd disc drives. The parts that actually control the motion are the steppers in the cd drives. The steppers are normally used to move a laser diode back and forth over the disc to read it. For this project, a separate disc drive was attached perpendicular to the…

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  1. wattnotions on Messing about with trilaterationSeptember 27, 2023

    Not unnecessarily complicated enough :D

  2. Mikhail Grushinskiy on Messing about with trilaterationSeptember 26, 2023

    Why don’t you just use GPS with 2 cm accuracy which is achievable with RTKLib?

  3. Maria on Low power magnetic hold and release mechanismAugust 25, 2023

    From where i can read out more about it. Do you have any suggestive readings?

  4. Mikhail Grushinskiy on OpenWave – take 2May 28, 2023

    You would also need fast Fourier transform to find out waves frequently to use it as reference point to give…

  5. Mikhail Grushinskiy on OpenWave – take 2May 28, 2023

    You would need wind sensor real-time data. You would need to tilt compensate wind data from real time IMU data.…

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