10 Minute Timer Circuit 10 Minute Timer Circuit using IC NE555 Whenever you need to get an alarm or intimation after ten minutes, the circuit is shown below can be used. The circuit is nothing but a monostable multivibrator based on IC NE 555. Whenever you press the reset push button the green LED D1 … Read more
Fire Alarm Circuit using NE555 IC & Thermistor Fire Alarm Circuit using NE555 IC & Thermistor: The Fire alarm Circuit is as simple and uncomplicated so that, it can be easily implemented for a project for school. The thermistor offers a low resistance at high temperature and high resistance at low temperature. This phenomenon is employed … Read more
555 Timer IC Working In this article explains 555 Timer IC Working of Astable, Mono-Stable, Bi-Stable Modes and Specifications on www.circuits99.com. The 555 timer IC is a very cheap, popular and useful precision timing device. The 555 timer IC is an integral part of electronics projects. 555 timer IC it is a simple project involving a … Read more
PWM LED Lamp Dimmer Circuit PWM LED Lamp Dimmer Circuit NE555 Timer IC is discussed in this article on www.circuits99.com. PWM based dimmers which can hit well over 90% efficiency. Since less amount of power is wasted as heat, the switching elements of PWM dimmers require a smaller heatsink and this saves a lot of size … Read more