Tinkercad Parking garage Counter with LED's using digital Logic
Budget: $10 – $30 USD
I need a straightforward digital-logic parking counter built and shared in Tinkercad. The circuit must sit on a virtual breadboard—no programmed microcontroller—using only basic gates, flip-flops, counters, or driver ICs.
What the circuit has to do
• Detect cars with two ultrasonic sensor blocks at the entry and exit.
• it need four LEDs:
– Green when the lot is empty (0 cars)
– White when the count reaches 2
– Yellow when it reaches 3
– Red when capacity (4 cars) is reached, simultaneously sounding a buzzer
• Show the exact car count (0-4) on a 7-segment display.
• Lock at 4 until an exit pulse is received, then continue counting normally.
Deliverables
1. A public Tinkercad link to the complete, labeled breadboard circuit.
2. A brief note (PDF or text) explaining the logic blocks and how the count, LED thresholds, and buzzer trigger are achieved.
3. One screenshot or short clip demonstrating the LEDs, 7-segment display, and buzzer responding to simulated entry/exit pulses.
Keep the wiring tidy and pin labels clear so I can test by toggling the sensor inputs myself. No code—just pure digital logic that works right out of the virtual breadboard.
What the circuit has to do
• Detect cars with two ultrasonic sensor blocks at the entry and exit.
• it need four LEDs:
– Green when the lot is empty (0 cars)
– White when the count reaches 2
– Yellow when it reaches 3
– Red when capacity (4 cars) is reached, simultaneously sounding a buzzer
• Show the exact car count (0-4) on a 7-segment display.
• Lock at 4 until an exit pulse is received, then continue counting normally.
Deliverables
1. A public Tinkercad link to the complete, labeled breadboard circuit.
2. A brief note (PDF or text) explaining the logic blocks and how the count, LED thresholds, and buzzer trigger are achieved.
3. One screenshot or short clip demonstrating the LEDs, 7-segment display, and buzzer responding to simulated entry/exit pulses.
Keep the wiring tidy and pin labels clear so I can test by toggling the sensor inputs myself. No code—just pure digital logic that works right out of the virtual breadboard.