Practical real cases in electronics: decisions, troubleshooting, and lessons learned from real circuits. Use the hubs below or jump straight to the latest cases.
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Latest practical cases (8)
- Practical case: Asynchronous Decade CounterBuild a 0-9 Binary counter in this Digital Electronics guide. Wire a 74LS93 with logic gates to trigger a reset at 1010 and track the count on LEDs.
- Practical case: 4-bit up counter with LEDs
Build a practical Digital Electronics circuit with a Binary counter. Visualize the 0 to 15 sequence on LEDs and verify synchronous clock signals. - Practical case: Dual Safety Motor Activation
Learn Digital Electronics by building a safety circuit with a NAND gate. Create a two-hand motor control system that activates 5V output only on dual press. - Practical case: Veto Voting System
Master Digital Electronics by building a voting system using a single 74HC00 NAND gate IC. Create a safety interlock circuit where LED output signals approval. - Practical case: Water tank level control
Learn Digital Electronics by building a pump safety stop using a NAND gate. Design a circuit that cuts power to 0V only when two sensors detect a full tank. - Practical case: Window sensor security alarm
Master Digital Electronics by building a fail-safe alarm with a NAND gate. Detect open windows and trigger a 5V LED signal instantly when security is breached. - Practical case: High power circuit isolation
Master Analog Electronics by building a Relay driver circuit. Learn to safely switch high-power loads with low-voltage signals and verify galvanic isolation. - Practical case: DC Motor Reversing
Master Analog Electronics by building a Relay H-bridge to control DC motor direction. Learn to switch polarity for clockwise spin, reverse motion, and braking.
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How are cases organized? We group them by components and devices so you can find the right circuit patterns fast.
Do you add new cases regularly? Yes. This page is always sorted by the most recent publication date.