When a visitor presses a doorbell or a sensor is activated, the 011484 SIP Dual Relay Controller makes a SIP call and plays a stored audio message via multicast over endpoints such as, “visitor at ...
ESP-01 is a tiny and useful piece of hardware. It has a 32-bit MCU, 2.4GHz 802.11 b/g/n WiFi, 1MB flash memory, and several other useful embedded features. Such ...
Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...
Most industrial facilities include electric motors that require overload relays for protection, control and monitoring purposes. The latest overload relays are often called motor management relays ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback