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  • Users: mudandsnow
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  1. mudandsnow

    Conditions to Justify Residential Slope Assessment

    I want to buy a house but there is a hill behind it. If it needs a retaining wall, I don't want to buy it. If it most likely needs a wall, I will probably walk away before spending money on assessment. I'm sure this is hard without seeing it in person but any rough guess would be appreciated...
  2. mudandsnow

    Wearable Electronics Tips and Tricks

    Hello, I am making some wearable electronics and wanted to share some of the things I’ve learned while also checking with the pros here before I get too far into it. What tips or tricks do you have for making wearable electronics as small, low power and low cost as possible? Do you see any...
  3. mudandsnow

    Fast and Low Power Camera

    Hi Everyone, I am working on a camera that needs to have very long battery life but also is able to take a picture less than 1 second after motion detection. Sleeping current draw: < 1 mA Trigger speed: < 1 second Lighting: daylight or IR flash (for night time) Resolution: 1MP to 5MP I would...
  4. mudandsnow

    Battery Charge Remaining (Fuel Gauge) for Various Replaceable AAA

    Hello, I am working on a product that runs off 1 AAA battery. There is no charger in it and the user will be replacing the battery anywhere between every use and every 10 uses. My goal is to give an accurate indication of how much charge is remaining or at least steps of 25%. I worry that...
  5. mudandsnow

    Acceptable Materials for Breathing Tube

    Hello, Not sure where this question should go, please feel free to point me elsewhere. I am designing a product that users will breath through. I want to make sure it is safe for the user and it is not going to deteriorate over time if saliva gets into it. What is a good source for tubing...
  6. mudandsnow

    Check valve with low cracking pressure

    Hello, I am looking for a check valve with cracking pressure below 1 hPa. Do those exist? Where should I look? I have checked all the suggestions posted here: thread408-253668. Thank you for any suggestions.
  7. mudandsnow

    ADC lag at specific values

    Hello, I have an odd issue and am welcome to any ideas. My ADC seems to lag at specific values and I would like to know why, or better yet, how to fix it. Lags are shown in attached pic. Occurrence: Unit 1 lags at ADC value 1638. Unit 2 lags this at ADC value 1365. Hardware: Analog sensor...
  8. mudandsnow

    BASc or MASc?

    Decision time is approaching so any input is appreciated. I worked for 6 years as an Electronics Technologist before my recent return to school. Now I am in 4th year of BASc Electrical Engineering, graduating May 2016. I originally planned to get BASc and go back to work asap but profs keep...
  9. mudandsnow

    ISO free PCB design software

    Any recommendations?

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