Available from specialist distributor Switchtec, Hongfa’s HF41F follows the trend for ultra slim relays, and when fitted to a panel offers users a very high level of flexibility due to its compact ...

In this post we are reviewing the ESP-01 Wi-Fi Relay Module. It is one of the cheapest smart switches you can purchase currently for making smart home, internet of things, and other wireless do it ...

4-way. A general purpose relay interface module. Read more Contact manufacturer Contact manufacturer Datasheet Datasheet Make Honeywell Security Manufacturer Honeywell Category Intruder Alarms> ...

When it comes to electronics, it seems like a relay is such a simple device – yet, it is able to interface some pretty elaborate high-end systems with a fire alarm system. Working with relays is an ...