decoders
BCD to 7-Segment Decoder: From Numbers to Display
TL;DR: A BCD to 7-segment decoder takes a 4-bit binary-coded-decimal digit (0–9) and lights the right combination of segments a–g on a digital display. The mapping is defined by a...
Tag
karnaugh-maps
A collection of 4 posts
boolean-algebra
Don't-Care Conditions in Karnaugh Maps
TL;DR: A don't-care is an input combination whose output value either cannot occur or simply does not matter. On a Karnaugh map, mark it with X and include it in...
combinational-logic
Static vs Dynamic Hazards in Combinational Logic
TL;DR: A static hazard is a momentary glitch on an output that should have stayed constant; a dynamic hazard is multiple transitions on an output that should have changed exactly...
karnaugh-maps
Karnaugh Maps: Visual Boolean Simplification
TL;DR: A Karnaugh map (K-map) arranges a truth table into a Gray-coded 2D grid where adjacent cells differ by one variable. Grouping adjacent 1s into rectangular powers-of-two produces minimal Sum-of-Products...
New circuits & lessons, in your inbox
Occasional updates on new SimCast lessons, components, and build guides. No spam — unsubscribe anytime.