A timer-controlled doorbell device has been developed using two 555 timer ICs in monostable mode, combined with a relay ...

The remote variable resistor functions as a voltage-controlled resistor whose resistance changes based on an applied voltage.

In this paper, a linear polarization switchable slot array antenna is proposed. A novel SPDT switch circuit is used in the proposed slot array antenna for polarization switching function. By using the ...

This paper deals with an expert system which can estimate possible fault sections using information from protective relays and circuit breakers. This system is applicable to dispatching centers and ...

LiteWing is a compact, WiFi-controlled drone based on the ESP32-S3 microcontroller. Designed for hobbyists, makers, and engineers, LiteWing offers a simple yet powerful platform for drone ...

Browse 500+ Arduino projects with downloadable code and circuit diagrams. Complete tutorials for beginners and advanced makers.