The pump suction pipe may be earthed and used as one side of the control circuit, the pressure of which (25 v.) is derived from a small double-wound transformer supplied from the power or lighting ...

Charge pump circuits are essential components in modern ... This method allows for independent control of the gate terminal voltage, enhancing the output voltage without requiring large capacitors ...

These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

By adding the shuttle valve, we can ensure that only one source can control the system at any one time.This is known as an OR circuit. Only one or the other of the inputs can activate the system ...

Armed with an infrared emitter, the device is capable of sending commands to the heat pump to more accurately control the climate of the room than the built-in controls are able to do. It’s also ...