More about Design (644)

| For many electronics enthusiasts it’s no big deal selecting the right transistor for a circuit, calculating an appropriate capacitor value o...

| Computer motherboards and lots of other computer devices are fitted with digital audio inputs and outputs in S/PDIF format, but which only p...

| A minimum of parts is needed to turn a TDA7052 IC into a mini audio amplifier. Here's how.

| LEDs double as photosensorsIncandescent lamp flasherCommunication with a laserHow low can it go?Low voltage indicator

| Indoor / outdoor thermometerHere’s an indoor / outdoor thermometer using two DS18S20 detectors with a 2×16 character LCD display. The temper...

| The circuit shown here demonstrates that true randomness can be derived from a small quantity of radioactive material, for example in the fo...

| Through the use of directives found in the integrated assembler (version 2) of AVR Studio we can create instructions using macros that make...

| In many cases, the load connected to a voltage regulator is not returned to ground but to an even lower voltage or perhaps even the negative...

| Recently PREMA released the PR4101, a step-down driver designed for power LEDs. It requires an input voltage of between 7 V and 40 V and at...

| To be able to play an electric guitar you need, in addition to the guitar itself, a guitar amplifier. The guitar then needs to be connected...