| This battery tester is capable of measuring the capacity of batteries up to 17 V at a maximum discharge current of 1 A. Remarkably, the test...
| This battery tester is capable of measuring the capacity of batteries up to 17 V at a maximum discharge current of 1 A. Remarkably, the test...
| Normally, stroboscopes, which are intended to emit short, intensive light pulses, operate from very high voltages. The present circuit wo...
| Surface mount technology (SMT) was developed in the 1980s to make possible the use of very small components that have no wire leads or pi...
| The source, based on a Type TL084 quadruple opamp, is intended to convert an input signal of 0-5 V into a current of G-20 mA. This type...
| / simple, but effective It is sometimes necessary, or at least desirable, to be able to detect relatively large a.c. currents. One way of do...
| 17 LED current source If an LED is used in a circuit, the current for that LED is normally set with a limiting resistor. The LED can then be...
| constant current LED It is normal nowadays to use a LED as a panel indicator whenever possible. However, in keeping with all electronic devi...