| 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...
| 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...
| In this article we describe a do-it-yourself RFID reader as well as a way of making your own RFID tags. What’s more, we show how to make RFI...
| It’s a fascinating hardware combination, but what can we do with it? VisiOLED is a wireless door-opener featuring RFID cards for visitor ide...
| The hand-held OBD Analyser NG featured in the September 2009 edition of Elektor has an open-source operating system and a built-in expansion...
| Remember those lucky people in Groningen participating in this experiment where EU money is setting them with up smart appliances, wirelessl...
| Need to connect your circuit to a PC to transfer measurement values or data? How about wirelessly? If you think that would be way too comple...
| Once again our workshop project is a true blue recycling project—turning an old telephone router and a wireless front door bell into a wiref...
| Considering its low cost, a commercial walkie-talkie (PMR) set are very suitable for use as a wireless baby monitor, with the addition of se...
| Many different types of wireless switch modules with a relay for switching AC power loads are commercially available. However, some applicat...
| This circuit allows a cheap or discarded wireless doorbell set (i.e. transmitter and receiver unit) to be used as a remote emergency stop on...