Hello Engineers. Here is another automation and home utility-related project ” Automatic smart washbasin tap controller”. An untouched and automatic water tap is a necessity to prevent virus contamination even after washing hands. Also, in the current coronavirus threat, we need to make sure of our hygiene and immunity. Although, we have a lot of […]
Sensor based
Visitor counter circuit using IC 4026 & 7-segment display
Hello Engineers. At places like small gatherings or meeting halls, small conferences, and classrooms it’s good to employ a visitor counter. This visitor counter circuit will count the visitor number of persons entered in the room or hall. The circuit explained in this tutorial today, is using two CD4026 ICs with two 7-segment LED displays. […]
Smoke detector alarm circuit | Fire safety alarm
Hello Engineers. Sometimes due to small fires or smokes sources, large disaster takes place. For this, a smoke detector alarm circuit is used to detect smokes or even some of the gases interfering through them. A smoke detector alarm circuit has a smoke/gas sensor in it as the main element. So let’s start with our […]
Automatic doorbell system with auto-detection | 2 circuits
Hello Engineers, Its an automation world. Everything is automated. So why not doorbell? Today, in this tutorial I am going to discuss a circuit that is an automatic doorbell system with auto-detection. This circuit detects automatically if someone is standing at the door and turns the bell circuit on by giving it power. So, let’s […]
Infrared remote control switch using TSOP1738
Hello Engineers. Most of the time controlling Lights, Fans, and other electrical devices are cool and very helpful. Especially, when you are tired or busy at some other work. It feels like having a remote control for everything to be controlled with the same remote. So, today I am going to discuss a Long-distance Infrared […]