Simple LED Flasher

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https://www.electronics-lab.com/article/simple-led-flasher/

Introduction This simple circuit illuminates an LED or bulb using a ripple counter in a specific order at a predefined interval. Electronics enthusiasts and students often like building different circuits for their home or school projects, particularly those that flash a few lights. One incredibly flexible integrated circuit (IC) that may be used to create […]

Digital to Analogue Converter (R-2R)

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https://www.electronics-lab.com/article/digital-to-analogue-converter-r-2r/

The R-2R Digital-to-Analogue Converter is a type of data converter that transforms a digital binary number into an analog output signal that is proportionate to the value of the digital number using two precision resistors. The binary-weighted digital-to-analog converter, in contrast to the R-2R DAC, produces an analog output voltage that is the weighted sum […]