Some key considerations for students to keep in mind when adding circuits and switches to create tactile elements ... How big or small does an element need to be in order to be understood by touch?

We’ve seen it before, but [electronzapdotcom] reminds us you can use a 555 and a few parts to make a reasonable touch switch in this video, embedded below. The circuit uses some very large ...

There seems to be nothing a 555 can’t do. We’ve seen it before, but [electronzapdotcom] reminds us you can use a 555 and a ...