David Scheltema

David Scheltema

I love to tinker and write about electronics. My days are spent building projects and working as a Technical Editor for MAKE.

Latest from David Scheltema

James wanted a way to monitor the status of his garage door without having to actually look at the door. Fortunately, he has a knack with electronics and knows his way around connecting different sorts of systems together with code. In the initial version of the project, James used an... Read more »

combinator_img_38511

Use simple woodworking skills and hardware-store cleverness to create a three-dial safe that can only be opened with your secret electronic combination. Read more »

learn_to_solder_pin-plaid

Learn the basics of soldering by creating your very own blinking LED rocket ship pin. A favorite Maker Faire activity, soldering is an excellent skill to get started in making for all ages. Read more »

When was the last time you arrived at work to find something as amazing as this had randomly arrived? Read more »

Software-defined radios (SDR) are gaining in popularity, and it's not hard to see why — using them, your computer can tune into in an enormous range of frequencies, including FM radio, unencrypted police and fire bands, aircraft transponders, and in many countries, digital TV. Read more »

Main Gate

Last Sunday, the Park Day School and Studio One Art Center hosted the East Bay Mini Maker Faire. With over 170 makers showing off their latest projects and four stages packed with hours of presentations, the faire had something for everyone. One of the more exciting moments came from the... Read more »

M40_FaceRecognition_Opener-1small

Use a Raspberry Pi, camera, and free software to make a lockbox that opens only when it sees your mug. Read more »