Circuits DIY – Page 329

In this project, we will discuss the “Door Left Open Indicator Alarm Circuit”. A door alarm is a miniature electronic device that is connect…

In this DIY, we are developing the project of a “3.7V lithium Battery Level Indicator”. A battery level indicator is a device that provides…

The 74LS46 IC features active low outputs designed for driving common - anode LEDs or incandescent indicators directly. The output of the IC…

The 74LS47 IC features active low outputs designed for driving common - anode LEDs or incandescent indicators directly. It accepts a binary…

The 74LS49 IC features active-high outputs for driving lamp buffer. This circuit incorporates a direct blanking input, segment identificatio…

At present, Printed circuit boards (PCBs) have become an inherent part of many electronic devices. At the onset, PCBs were comparatively sim…

74LS31 is a Hex Delay Element/Delay Line Generator IC belonging to the 74XXYY IC Series. The 74LS31 is a TTL (Transistor to Transistor Logi…

The 74LS32 IC package contains four independent positive logic 2-input OR Gates. It is the part of 74XXYY IC series. The 74LS32 IC has a wid…

In this tutorial, we are demonstrating a project of a "Random Flasher Relay" using the CD4060 IC. There are numerous circuits and packs avai…

A delayed headlight lamp control for a vehicle permit one to enlighten the way on streets, and car parking, where there is no lighting. Addi…

Regularly we need to control the speed of a DC motor on request. This persistent shift in drive speed is called “speed control of a DC motor…

Have you ever forgotten to switch off your car headlights? That profound discharges the vehicle battery and till you return to acknowledge…

In this tutorial, we are demonstrating the project of the “Simple Motion Sensor Doorbell”. Motion Sensor Doorbell is the essential developme…

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