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15 Results for "air quality"

  • Do P-N junctions oxidize in air?

  • I make sensors by cutting the top off of a metal power transistor and using the base-emitter junction as a PIN diode. This works very well for detecting Alpha particles (and photons).Alphas would be blocked or attenuated by an oxide layer,...
  • Heliostat

  • Hey, do you know how much does increasing the number of heliostat increase the temperature ( in ideal conditions)?
  • Glue for 300-400C MCH heater?

  • I'd like to "improve" MCH heater (50*50*1.5mm) for DIY reflower: add panasonic PGS on top side and aluminium foil on bottom side. That requires glue, operating at least on 300C, ideally up to 400C. Also, this glue should dry without air access and be...
  • Ideal Hackspace Plant

  • Any idea how to get a sample?No really, does anyone work at a biolab and can get one?I have a huuuuge Pothos at home, they are super hardy and low maintenance and great for hackspaces, outside of the cleaning-chemicals-we-frequently-use thing.
  • Very short range light data communication

  • I'm looking for inspiration to export data (simplex) / one-way) across a short air gap from a small device with a low energy budget, so trying to optimise for power. BLE seems like overkill and potentially too complex for the relatively quick development...
  • Reducing an Image

  • Last night made the attempt to include several images onto my Hackaday project pages but ran into a wall. The images taken were all larger than 3mb in size and the system declined them. For the camera, used my iPad Air, but didn't see a way...
  • idea for a flying bagpipe

  • This is the idea, for a RC flying toy:A single propeller, or a small centrifugal compressor blows air into a reservoir which is the body of the flying machine. The reservoir can even be made of textile material. So it will...
  • Water jacket exhaust manifold - epoxy?

  • I'm looking into what engine to put in my boat.  Marinised engines generally have several parts water-cooled that are usually air-cooled on an auto engine.  The most extreme of these is the exhaust manifold - in a car, there is constant air...
  • Environment Parameter Monitoring System

  • I will be using sensor MiCS-6814 for measuring concentration of gases. So how to interface with microcontroller and how is the working of sensor.I have downloaded the datasheet but i have few queries like,1. I got the circuit of interfacing from...
  • Waterjet laser cutting

  • The Youtube algorithm just brought this awesome tech to my attention, and already I'm thinking about trying to build one :) Basically you use a relatively low pressure water jet (50-800bar according to Synova's site, as opposed to 2000-6000bar for regular...