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12.12 EXPERIMENT 12 – "OR Gate" circuit for LED
Wiring Sequence
2-24-14, 13-23-16, 15-19, 20-4, 3-1,
19
20
100
Ω
15
23
16
13
- Complete all wiring connections as indicated in the sequence.
- To light up the LED, you can either press the push switch OR switch on the main switch.
- This is known as "OR Gate". Switching on either switch OR switching on both switches will activate the
LED.
A
0
1
0
1
12.13 EXPERIMENT 13 – "NOT Gate" circuit for LED (with floating ball for extra
excitement)
Wiring Sequence
2-14-16, 15-20, 19-13-4, 3-1
19
13
16
14
- Complete all wiring connections as indicated in the sequence.
- LED will automatically light up even though the main switch is off.
- When you switch on the main switch, LED will turn off.
- For the LED, this is known as "NOT Gate" - LED lights up when the switch is off. LED is off when switch
is on.
- As an extra fun element, the blower will blow when the LED is off!
NOT A = B
A
1
0
12.14 EXPERIMENT 14 – "NAND Gate" circuit for LED (with floating ball for extra
excitement)
Wiring Sequence
V. 01 – 19/01/2024
4
3
1
24
2
14
A OR B = C
B
0
0
1
1
4
3
20
100
Ω
15
B
0
1
User manual
C
0
1
1
1
1
2
14
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