| Any stepper motor can be used as a generator. In contrast to other generators, a stepper motor produces a large induced voltage even at low...
Burkhard Kainka (212)
| In order to listen to your heartbeat you would normally use a listening tube or stethoscope. This circuit uses a piezo sounder from a musica...
| Using a Power-FET it is possible to build a very simple touch dimmer for low voltage lamps. Two drawing pins are used here as the touch cont...
| Often you find yourself in the position of needing to wind your own coil for a project, or maybe you come across an unmarked coil in the jun...
| If you ever look at construction notes for building old detector type radios the type of headphones specified always have an impedance of 2...
| Some workbenches can’t help ending up looking like a rats nest of cables and equipment, so its always an advantage if a piece of mains equip...
| Here is a simple circuit for a one transistor Audion type radio powered by a 1.5 V battery. It employs a set of standard lowimpedance headph...
| The most commonly used dialect of BASIC for microcontrollers, Intel’s 8052AH-BASIC, cannot be used as is with the new 8051 derivatives. This...
| If you are new to the CAN bus, look forward to some hard work before seeing the first usable results. After all, at least two microcontrolle...
| An interface between the PC and the external world does not have to be complicated. This general-purpose Windows interface needs only thre...