Practical case: Conveyor belt object counter
Level: Medium – Build an optical object counter with decimal outputs and an automatic batch reset.
## Objective and use case
In this practical case, you will…
Device Course
Practical case: One-Shot Timer Using NE555
Level: Basic – Build a monostable timer circuit using the NE555 IC to control an LED output for a set duration.
## Objective and use case
In this practical…
Practical case: Standby mode indicator
Level: Basic – Understand logical inversion using a NOT gate to activate a standby LED when the main system turns off.
## Objective and use case
You will…
Practical case: Automatic Reservoir Pump Controller
Level: Medium | Construct a transistor-driven relay circuit to automatically control a water pump using a float switch.
## Objective and use case
In this…
Practical case: Overvoltage protection
Level: Medium – Disconnect a critical load using a normally closed relay contact when a voltage threshold is exceeded.
## Objective and use case
In this…
Practical case: AND and OR logic using relays
Level: Medium – Build basic logic gates by wiring the contacts of multiple relays in series and parallel.
## Objective and use case
* **What you will…