All items tagged with main and LED (8)

| On the cover of an old copy of Elektor in large print it states: ‘Equipment is only as good as its power supply’. Even though that particula...

| Sure, there are many ways to power an LED from the mains. However, in good philosophical (and GPRS) tradition, the shortest way to success o...

| The wide availability of low-cost switched mains sockets with radio remote control provides a simple way to control electrical equipment, li...

| Using a simple SMS message sent from your GSM phone, two mains powered loads may to be switched on and off independently, or programmed to d...

| Being an all-solid-state design you don’t have to tap on this barometer to get the latest air pressure reading!

| In most of the United Kingdom, we are assured of a stable 240 V mains supply voltage. In many other regions, including some parts of E...

| C G Mangold 89 audio-controlled mains switch EE 110 July/August 1986 It is often useful for audio or video equipment to be switched off auto...

| 85 mains LED The very long life span of LEDs make them emi- Howev r, theira nently suitable for on/off indicatnors. ctedesince use on mains...