There are many instances when it would be nice to be able to send large amounts of data to an Arduino-based device. A very obvious example is any kind of media player, where you’d like to upload files from your computer, but there’s also sending configuration, whitelists, sets of instructions… there are many cases where…
Servo-controlled turntable
- by: Pat Deegan
- On
I have an ongoing project that requires a controllable rotating platter and, in order to get sufficient torque and control, I’ve been playing with servo motors to get this working (which is how I fried my faithful little power supply, and wound up needing to construct a new bench supply). To let the small servo…
Quick Hack: old-school bench power supply
- by: Pat Deegan
- On
I went out to do a beta demonstration at a client’s office, last Thursday, and brought along the prototype circuit boards as well as a small variable power supply. As I was setting up and pulled out the power supply–a functional but somewhat shoddy little black box with red and black alligator clips–I remarked that…