https://tube.loping.net/videos/watch/5d201842-d19b-4846-b28a-f9514aaf68e0 An effective solution to the "racing" problem described in my previous video (https://youtu.be/st3mUEub99E) is the master-slave JK flip-flop which comprises two SR latches. In this video I explain how it works, build, and test it. Support me on Patreon: https://www.patreon.com/beneater You can get all the components used in this video from any online electronic components distributor (Jameco, Digikey, Mouser, etc). Complete parts list (everything in this video): 1x 74LS02 (Quad 2-input NOR gate), 1x 74LS11 (Triple 3-input AND gate), 1x 74LS08 (Quad 2-input AND gate), 1x 74LS04 (Hex inverter), 4x LEDs, 2x Momentary "Microtivity 6mm tact switch", 2x 1KΩ resistors, 22 gauge wire, 5 volt power source (e.g., a USB phone charger), Clock circuit from https://youtu.be/kRlSFm519Bo Tue, 14 Jul 2026 00:38:56 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.loping.net https://tube.loping.net/lazy-static/avatars/8a56e488-2120-4649-a417-badf5893657b.png https://tube.loping.net/videos/watch/5d201842-d19b-4846-b28a-f9514aaf68e0 All rights reserved, unless otherwise specified in the terms specified at https://tube.loping.net/about and potential licenses granted by each content's rightholder.