K. Walraven (99)

| Connecting a sensor to an A-D (analogue-to-digitall converter is not always as straightforward as may be expected. Often, an interface i...

| It is often handy if two or more sets of equipment that work together, such as a computer and a printer, or a tuner, amplifier and CD pl...

| The lead-acid battery forms the heart of the electrical system in any car. If you are on a camping or caravanning holiday, it can happen th...

| The I²C interface was originally developed by Philips Components to enable complex integrated circuits to communicate using a simple bidir...

| We tend to forget about fuses until one has blown, when it is time to locate and investigate an electrical overload problem. Once that is...

| A module is described that enables a mains powered device of up to 275 VA to be controlled bya PC via the I²C bus. Since a direct connecti...

| Many of the less expensive shortwave receivers have no squelch circuit and continue to emanate noise when no usable signal is coming in....

| It had to come: an LED that can produce all visible colours. It Is the Everlight Type 339-1 VRKGBBW. In fact, it consists of four LEDS in...

| This is one of the simplest twilight switches ever published in this magazine. When it gets dark, the value of light-sensitive resistor R...

| When batteries are charged rapidly. the manufacturer usually recommends that after every fifth fast charge there ts a 'normal' charge, th...