Circuits DIY – Page 333

If you love to ride your bicycle at night, then bicycle lights are significant. For security and for their magnificence, these DIY bicycle l…

The article portrays a basic and economical “automatic water pump controller” circuit. A “water pump controller” detects the level of water…

In this tutorial, we are demonstrating a project of a “Loud Security Alarm using PIR Sensor Module”. A loud security alarm is a structure i…

The article presents a project of an “LED thermometer with a selectable temperature switch”. However, a thermometer is a device that estimat…

In this DIY, we are developing a project of a “Digital Variable Resistor”. A digital variable resistor has a similar function as a typical “…

In this project, we are making a “Servo Motor Controller using 555 Timer IC”. A servo motor is an “actuator” that is used to control the ang…

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…

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