I spent a couple of hours this morning learning more about mechanical linkages on YouTube — specifically four-bar linkages (sometimes stated as 4-bar). These little beauties are in lots of places that I hadn’t thought too much about. For instance, they’re used in adjustable desk lamps that clamp to the edge of your desk, car […]
Four-bar Linkages for Halloween Pop-up Props Read More »
Learn About Halloween Animatronics! And other animated gadgets and props! Get 17 videos and close-up photos! CD mailed to you — or download right now! Click here to see the complete ‘Witch’s Legs in Cauldron’ video on youtube Click Here to Learn More and Order!
My new CD is available now! Read More »
I thought I would offer some ideas on different ways to open box lids. My main motivation has been finding a good way for lifting the lid of small Halloween coffin props, but the techniques can be used for many other applications as well. I love to play around making these things as a hobby,
Ways to Lift Lids (as in opening coffin lids for Halloween props) Read More »
In my previous post I talked about using a motor, a cam, and a switch to fire a solenoid. That just wasn’t going to work because it was too hard to get the right pace of the solenoid firing. The motor voltage changed its speed, and the cam idea was too difficult to adjust the
Using Arduino Nano and a relay to fire a solenoid Read More »
Trying to find a way to mount things like motors, solenoids and switches is often a big challenge. Trying to find the right bracket, the right screws, and the right locations for those items in your experimental projects can be tough. So I thought I’d show a few tips and tricks that I use. First,
Some motor and switch mounting ideas Read More »
