Let’s build a circuit that adds numbers! Binary addition is even easier than decimal addition since you don’t have to know how to add numbers larger than 1.
You can get all the components used in this video from any online electronic components distributor for a few dollars.
Complete parts list:
2x 74LS86 (Quad two-input XOR gate)
2x 74LS08 (Quad two-input AND gate)
1x 74LS32 (Quad two-input OR gate)
2x 4-position DIP switch
1x Solderless breadboard
22 gauge wire
USB charger and cable or some other 5v power source