• Pocket Calculator

    tariq.ahmad
    • Under Review on
    • 0 Comments
    50 years ago the world's first scientific pocket calculator was launched in Feb 1972 e.g. the HP-35. Celebrate 50 years of pocket calculators with homemade calculator or implementing a useful everyday formula on a small handheld device

  • Mothballed Projects

    dougw
    • Under Review on
    • 1 Comment
    How about a Project 14 theme of resurrecting a project that was started but never completed. That should provide a head start on the project. Something with a microcontroller - just to narrow it down a bit.

  • SOT-23 only

    misaz
    • Under Review on
    • 3 Comments
    Project featuring all chips in SOT-23 packages. Chips with different packages are prohibited or penalized. Non-chip parts (connectors, wires, breadboard, resistors, capacitors, coils, LEDs, ...) are allowed in any package. Allowed are all chips in SOT...

  • Analog meter

    misaz
    • Under Review on
    • 0 Comments
    Any project featuring some analog volt/ampere/other meter . Photo source: https://uk.farnell.com/hobut/f3pam602-15v/battery-charge-meter-0-15v/dp/1015951

  • Bird Feeder Defender

    DAB
    • Under Review on
    • 1 Comment
    Build a device that protects a bird feeder from ravaging squirrels. Solution must be adaptable to many types of bird feeders.

  • Home Decoration

    milosrasic98
    • Under Review on
    • 2 Comments
    Make something that will have a place in your home! Anything from a lamp, art piece, custom clock and so on.

  • DIY Electronic Instrument or Tool

    dougw
    • Under Review on
    • 0 Comments
    "Homebrew electronic instruments" is always a popular Project14 topic so it is time for another go at it. Things like an RGB LED tester, or a unique live wire detection and indication device, or a custom inductor winder, or a remote controlled power...

  • Thermal Printers

    tariq.ahmad
    • Under Review on
    • 0 Comments
    Thermal printers are used for years. Most of them support RS-232 communication so it would be nice to see some project featuring these printers driven by Arduino or some other board.

  • Animals

    tariq.ahmad
    • Under Review on
    • 0 Comments
    It could be something to do with pets or wild animals. From wildlife monitoring to cat feeders and everything in between.

  • Low power challenge

    koudelad
    • Under Review on
    • 0 Comments
    It could be interesting to create a low power challenge - build a circuit with a simple specific functionality, trying to achieve as low operating and sleep power as possible. For example a push to switch on and push to switch of circuit with an LED...