This TRS Drawbot is a simple yet powerful drawing robot. The results look fantastic! “The servos in your R/C car, plane, boat, or ‘copter are controlled by a stream of electrical pulses sent from the onboard receiver. The length of these pulses tells the servo what angle to turn to. You can connect your R/C receiver to an audio input on your stereo or computer and listen to this
Our friend Bob Davis built a DIY CNC Pendant that allows him to control his CNC machine without spending big dollars on a commercial type. His version makes for a nice quick build since it uses parts that you probably already have in your junk bin. The main items you need are some switches and a 555 timer. If you have an old game controller you might want to
Ben Rothschild sent in details of his latest build, it is an Electric Go Cart Built from Scratch. It has a top speed of 22 MPH and a range of 5 miles. The power comes from 2 Turnigy brushless outrunner motors and a large LiPo battery pack. There is lots of versatile 80/20 and brackets holding things together. He designed the system plans in CAD and made a
Want to save 30 to 40 percent on your power bill? Well that’s a stupid question… It is as simple as plugging in a small electronic box into your wall and your savings will be immediate! Yea right. I got a call from the guys at Planet Power Saver trying to sell me their miracle device. These snake oil salesmen have been selling this junk for a long time
I will have to make it out to a Maker Faire one of these days. Looks like a blast and they keep getting bigger and bigger! Thanks to Matt Walsh, Rachel Lea Fox, Anouk Wipprecht and Brice Arnold for the cool footage. Â
Thanks to Black and Decker for sending in this Gyro Screwdriver for review, you can see the review here. In this article we are going to tear into it and see what we have on the inside. Opening the unit was very simple since there are just 5 phillips screws holding the unit together, unfortunately the screws come in 2 different sizes (these go into the handle of the
When you are taking apart some electronics to start a repair a normal screwdriver will work but a battery operated one will make the job go faster. Thanks for Black and Decker for sending in this Gyro Screwdriver for review. I have used battery operated screwdrivers before but nothing with the technology that this one is packing. To operate it all you need to do is squeeze the handle
