| This circuit was designed to ensure that an amplifier circuit containing a TDA1516Q would not exceed its maximum supply voltage when the loa...
| This circuit was designed to ensure that an amplifier circuit containing a TDA1516Q would not exceed its maximum supply voltage when the loa...
| This circuit uses two comparator that are combined in what is called a window comparator, i.e. resistors R2, R5, and R10 determine a voltage...
| In order to use an SMD device on a standard prototyping or perf board (breadboard) you will first need to fit it into some sort of carrier o...
| The LED bicycle light that we described in the July/August 2009 edition of Elektor has proved very popular. The author was particularly stru...
| This circuit is a revised version of the Audio Limiter published in the 2002 Summer Circuits edition, which is intended to limit the (possib...
| Two years ago, I presented here the USB/TTL serial conversion cables from FTDI — wonderful communication and debugging tools. The increasing...
| This circuit was designed to control the underfloor heating pump independently or via the switch in the living room thermostat. The design h...
| The author was triggered to propose this circuit to Elektor following the publication of “Fun with Fireflies” in the April 2010 edition. The...
| Scope Text is a small circuit based on the ATTiny2313 microprocessor, which can be used to display text on a CRT oscilloscope. The text is s...
| Here are two circuits that make it possible to add up to eight detectors to an existing alarm system without running a single cable. Each tr...