Aabhishek Sharma
Hello Engineers. Sometimes, it’s messy and full of hassle to get down when passing through a small gateway, society Carpark gate. Or, always when entering a society gateway or garage it’s a hassle every time someone should open the gate first. In places like these, the wastage of manpower can be avoided with the help … Read more Automatic vehicle detection gateway with timer control
Hello Engineers. Here is another automation and home utility-related project ” Automatic handwash water tap controller”. An untouched and automatic water tap handle 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 … Read more Automatic handwash water tap controller
Hello Engineers. At places like small gatherings or meeting halls, small conferences, and classrooms its good to employ a visitor counter. This counter 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 display. This Digital … Read more Visitor counter circuit using IC 4026 & 7-segment display
Hello Engineers. Today, in this article, I have brought a Solar automatic street light system without the use of LDR. I know there are other automatic street lights / Lawn lights circuits too. But the difference is, this circuit doesn’t require any LDR for light or dark detection. In this circuit, Solar panel does the … Read more Solar automatic street light system without LDR
Hello Everyone. A variable power supply unit is a must for electronics, hobbyists, enthusiasts and other people doing electronics work. A variable bench power supply unit provides a constant DC voltage output for operation and testing purposes. We can use it to power circuits with desired DC requirements and also for electronics testing circuits. So, … Read more LM338 Variable Power Supply 1.25-28v, 5A
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 … Read more Smoke detector alarm circuit
Hello Engineers, I hope you all are rocking! For some people, especially beginners, it’s tricky or confusing to understand,” how do inverters work? “. Their working topology, basic concepts, and basic load and backup power calculations, etc. All these basic conceptual things come in role-playing when designing an inverter device according to desired requirements. So, … Read more How do Inverters work? | Designing| Configuration
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 … Read more Automatic doorbell system with auto-detection | 2 circuits
Hello Engineers. Inverters are a necessity in areas with a load shed or powercuts. Also necessary in offices, shops, etc. So that the necessary work should not be interrupted. Today I am going to discuss a 150 watts inverter circuit using CD4047 IC. This is a stable square wave inverter circuit for normal use for … Read more Inverter circuit using CD4047 IC | 150watts inverter
Hello Engineers. Often while parking a 4wheeler vehicle its some times frustrating and distracting to look back or obstacle handle steering too. All activities like handling the steering, braking, acceleration, and surveilling mirror are all carried out all along. It’s so messy to steer and pressing also prevents obstacles while parking each time. So, today … Read more Automatic car parking alarm for backward obstacle detection
Hello Engineers, we need to get desired or fixed voltage supply many times in many applications while designing some applications or circuits. For this, we need to use voltage regulators. So in this post, I am going to tell you in detail about the basic types of fixed voltage regulators and their classifications on the … Read more Fixed Voltage Regulators ICs with Datasheets
PIR motion sensor light. Hello engineers, sometimes it’s a bit difficult to go in a dark room and find a light switchboard to turn ON the lights and it’s sometimes lazy too to switch on and off the lights when going in or out of the room each time or going through the garage or … Read more PIR Motion Sensor Light | Automatic motion sensor light
Hello engineers, Often when we turn on the water pumps to fill the water tank of our home we have to look after whether its full or not. Or even when if we have a water tank full alarm then also we have to go and turn off the pump set. So today, I am … Read more Automatic water pump controller
Hello Engineers, Today I am going to discuss an automatic cut-off battery charger circuit designed by me.12V batteries are required today’s world in a large number and number of applications/devices too. They can be used in inverters, computer UPS kids automotive rechargeable buggy cars, Automotives(transportation vehicles), engineering projects, etc. Some of those devices have an … Read more Automatic battery charger with auto cutoff
Hello engineers, In this article I am going to share an LDR operated laser light security Alarm system. This circuit having LDR as the light-sensing component. This circuit discussed here has a relay that simply changes whenever the laser falling over LDR is interrupted and then Buzzer turns ON.So let’s get started with understanding in … Read more Laser Light Security Alarm using LDR
Hello everyone, our project in this tutorial is a solar rechargeable LED lamp with an inbuilt power bank for phone charging. It is a multipurpose homemade camping device. As the project’s name shows its a very useful emergency purpose or camping device as it can provide you full bright light at night time whenever you are off-grid as … Read more Solar rechargeable multipurpose camping device+inbuilt phone charger
Hello, everyone the instructable here in this post is a 60watt homemade inverter. Inverters are of 2 types mainly square wave and sinewave. The design discussed here is a powerful 12V- 220V AC inverter, 60w square wave inverter. This inverter is capable of powering CFLs, tube lights, dc fan ext. it can handle up to … Read more Powerful 12V-220V AC Inverter, 60-100watts| DC to AC
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