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In this video, a New Year's garland with 8 different running lights effects is considered and tested. There are no microcontrollers in the circuit. Links: DIY running lights on the 74HC164 shift register: • DIY running lights on the shift... Comparators. Part 1 - introduction: • Comparators. Part 1 - introduction Comparators. Part 3 - logic elements on comparators: • Comparators. Part 3 - logic elements ... Comparators. Part 5 - Square-wave generator: • Comparators. Part 5 - Rectangular pulse generator: • Schmitt trigger: • Schmitt trigger Control of a powerful load using a bipolar transistor: • Control of a powerful load using... Proteus files can be downloaded from the forum: https://goo.gl/V3hq0M