HD Electric Co. has launched its new Double Vision Dual Display Digital Voltmeter, a compact, high accuracy dual display voltmeter and phasing set with capacitive test point mode and peak hold. It can ...

Here is a Simple LED Volt meter to Monitor the charge level in Lead Acid Battery or Tubular battery. The terminal voltage of the battery is indicated through a four level LED indicators. The nominal ...

Part 1 of this three-part series introduced the technical and engineering steps necessary to design an LED display system from individual LED lamps. Part 2 provided the remaining steps needed to ...