XOR gate explained: build a half adder with a 74HC86 and a 74HC08
Learn how an XOR gate works, then wire a 74HC86 and a 74HC08 in your browser to make a half adder that adds two bits and shows the carry.
Posts tagged “logic”
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NOR gate and the 74HC02: a beginner's guide, with one wiring trap to avoid
Learn how a NOR gate works, wire a 74HC02 in your browser (its pinout is not the 74HC00's), and build NOT, OR, AND and a latch from NORs.
NAND gate tutorial for beginners: build every other gate from a 74HC00
Learn the NAND gate truth table, wire a 74HC00 in your browser, then build NOT, AND, OR and XOR gates out of NANDs alone.