Circuits DIY – Page 314

Electronic devices, such as computers, printers, air conditioners, televisions, etc., use electricity when in use but still use some electr…

This circuit warns when a vehicle such as a car, jeep, bus, etc gets overheated, or its temperature rises above a safe level. The circuit wi…

Rechargeable batteries have very good efficiency and life if we look after them. There are many things to do to take good care of your recha…

The high / over temperature sensor or detector alarm is a circuit that senses the temperature of the circuit and activates the alarm and fla…

A frequency-to-voltage converter is an electrical system that transforms the frequency of sinusoidal input into an equivalent current or out…

The simple 12V battery status indicator is a circuit that shows the battery state only by flashing LEDs. For example, if out of 10 six LEDs…

Here we'll teach you how to create a 555 timer IC LED Roulette Circuit and let you know what roulette is before beginning the tutorial, it's…

The door alarm is a very popular protection system and is useful. They are used to see whether the Door is open or locked. We have also noti…

As a signal goes through a rapid shift from base to higher value and after some period returns back to base value from higher value. It is c…

Automatic Battery Charger is designed for lead-acid batteries sealed in 12V. The computer built consists of a circuit, which charges the cha…

A light-sensing relay switch in a wide variety of renewable energy projects is extremely useful and flexible, from automatic lighting to pro…

Here's a very fascinating project about a doorbell circuit that welcomes light-sensitive guests. For a fixed period of time, the circuit wil…

One of the primary reasons that weaken the rechargeable batteries is deeply discharging them to make the batteries work longer involves trea…

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