A cheap and simple Laser Power Meter LPM for small power source

Here’s a cheap and simple Laser Power Meter LPM for small power source, based on “MarioMaster LPM meter” by Davide Gironi: This type of meter uses a ThermoElectric Cooling module (TEC) to measure the power of a laser. The TEC will absorb the laser light, and transform the heat generated by the laser beam to an […]

DIY Wacom Cintiq project using the LCD panel

Chocochan is working on a DIY Wacom Cintiq project using the LCD panel that is used in the Microsoft Surface Pro tablet: I wanted something small and portable that wouldn’t take up much space and be light to hold. I don’t have a large desk and I don’t traditionally draw on much that is bigger than […]

High Altitude Glider

Check out this cool High Altitude Glider project that House4Hack and HABEX made: On 14 June 2014, team HAG from House4Hack teamed up with HABEX. We released our High Altitude Glider on weather balloons into the atmosphere. After our glider reached the CAA approved height, kilometres up in the atmosphere, we released the glider from […]

ThrAxis DIY CNC mill

Eric has posted details on his build of a CNC mill from scratch. The ThrAxis (Three-Axis) is a vertical milling machine made mostly from materials from hardware stores. The spindle is a Harbor Freight rotary tool and the motors and controllers are surplus and eBay finds. We made it during lots of late evenings using […]

DIY fingerprint scanning garage door opener

Nodcah made this Instructables detailing the build of his DIY fingerprint scanning garage door opener: As a person without a car, I don’t need to carry keys around everywhere I go. Because of this, I’ve been locked out of my own house several times. It’s a pain to wait for someone with a key, so I thought I […]

Gesture based security lock project

Alan Parekh writes: Instead of using keys and codes for security this device that Ankur Thakkar, Darshan Shah and Saisrinivasan Mohankumar built as part of their ece4760 Final Project uses gestures to grant access. The system uses IR sensors to determine the movement of a persons hand within the detection area, after you train the […]

Pocket-sized ultrasonic ruler

Bergerab made this Instructables detailing the build of his DIY pocket-sized ultrasonic ruler: Today everything is digitalized. Most of us don’t bother to waste our time using maps, going to the record store, or even going to the DVD store anymore. So… why are so many people using tape-measures and rulers? Yes, they are reliable, but they […]

Chipstomp assembly – Analogue side

We previously covered Catmacey’s Chipstomp digital side. Now he built the Chipstomp’s analogue side: It’s done.  I’ve assembled the analogue side of the Chipstomp and finally have a fully working device.  There were no errors to fix this time which was a nice surprise.  Just lots of fiddly 0805 surface mount components to place. Check out the video after […]