Automatic Battery Charger is designed for lead-acid batteries sealed in 12V. The computer built consists of a circuit, which charges the charging unit. The charging package consists of six battery drivers which can be charged … Read more
Arooha Dar
A light-sensing relay switch in a wide variety of renewable energy projects is extremely useful and flexible, from automatic lighting to protection systems. The diagram below shows the proper figure of the LM741 light sensor … Read more
LM741 Light Sensor Relay Switch
Here’s a very fascinating project about a doorbell circuit that welcomes light-sensitive guests. For a fixed period of time, the circuit will trigger the UM66 melody when any visitor comes close to your door or … Read more
Light Sensitive Visitor Welcome Doorbell
One of the primary reasons that weaken the rechargeable batteries is deeply discharging them to make the batteries work longer involves treatment for them. Each time a battery gets discharged its output decreases to some … Read more
Low Battery Voltage Indicator Alarm
A touch lamp is a lamp that can be turned on and off by just touching a particular section of light. The electronic switch, which switches on and off the display, is inside the bulb, … Read more
Touch Lamp Circuit using NE555 Timer
The 555 PWM LED dimmer circuit controls the brightness of the LEDs. The main concept of the circuit is to generate a pulse width modulation PWM signal with the help of a good old reliable … Read more
555 PWM LED Dimmer Circuit
This basic light intensity meter circuit can be used in a wide range of electronic projects and experiments to calculate light intensities. The circuit is very simple and convenient using only a few LDR, variable … Read more
Light Intensity Meter using LDR
All rechargeable batteries have their own charging and discharging levels, they are likely to experience harm if the voltage of the battery reaches that level. Here is a basic circuit battery voltage monitor used to … Read more
Simple Battery Monitor using 2N4401 Transistors
The dark sensor relay switch is an electrical circuit that is used to detect light. The device uses the LDR light-sensing property to turn the device on. It means when there is no light on … Read more
Dark Sensor Relay Switch Circuit Using LM741
You can find here a very useful automatic on and off relay circuit prototype. This circuit is commonly used for many purposes, such as a headlight for a car or a brake light flasher or … Read more
Automatic ON-OFF Relay Circuit
If you want your room lights to be according to your mood then you need to adjust them with a controller. Here in this article, you will learn to construct a 12V Lamp Dimmer in … Read more
Simple 12V Lamp Dimmer Using 2N3773 NPN Transistors
Flip flop relay is an electrical circuit that acts as a bistable multivibrator it means it has two stable states that are on and off and the states are constantly shifting. The relay-connected switch will … Read more
Flip Flop Relay Circuit NE555 Timer
555 flip flop led is a circuit that is used to produce a blinking effect of light. The circuit can enable more than one ultra-bright white LEDs to blink. Your preference is dependent on the … Read more
555 Flip Flop LEDs with Timer IC
This is a circuit that can be used to flash two 10 watts 12-volt lamps in a car or any vehicle as a circuit for a Car brake light or headlight flasher. It is widely … Read more
Car Brake Light Or Headlight Flasher
Morning/Sunrise alarm generates beep sounds and LED flashes according to the sunlight. The most fascinating aspect of this circuit is that the speed of the beeping signal and the blinking LED will slowly rise as … Read more
Morning Sunrise Alarm NE555 Timer
The sequential sound-activated switch is an electronic device that helps you to turn on or off switches without moving yourself. The sequential sound-activated switches are creative and work as sound detectors. It starts working when … Read more