Due to historical engineering decisions made many decades ago, a great many irrigation systems rely on solenoid valves that ...

Please let us know if you used this design for your car or if you have used it and made useful improvements to it The design is made for a battery supply of between 11 V and 15 V. The current ...

Troubleshooting a dead ceiling fan is pretty straightforward. It’s a little more frustrating when the fan has an RF remote control. New batteries in the remote are the first thing. This old Casablanca ...

No, LED headlights do not use more battery than traditional halogen or HID lights. In fact, they use significantly less. A ...

This is a DIY Arduino-based overcurrent relay project that emulates Inverse Definite Minimum Time (IDMT) protection using an Arduino Nano and ACS712 current sensor. Instead of traditional ...

Abstract: This article focuses on the problem that the voltage recovery time of relay protection circuits in converter stations is too long under lightning surges. A surge protective device (SPD) in a ...

This project describes a high-power solid-state relay (SSR) and AC voltage controller built using a BTA41-1200BW TRIAC (40A, 1200V) and MOC3041 opto-triac. Unlike conventional electromechanical relays ...

The Department of Education (DepEd) remains steadfast in promoting transparency, integrity, and accountability by making basic education data accessible to the public which empowers internal and ...

Abstract: Electric arcing in high voltage direct current (HVDC) relays is an undesirable phenomenon that many manufacturers seek to fully understand and control. In short circuit situations, the rapid ...

Prometheus Fire Alarm System is a fire alarm system and an extinguishing system that allows real time monitoring via software. It can perform smart extinguishing on site while providing connectivity ...