Logic indicator LED
Red LED with a 1 kΩ series resistor on a tiny board · lights from about 2.5 V · ~3 mA at 5 V
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Pins
- IN
- GND
Lessons and builds that use it
- AND gate
- OR gate
- NOT gate
- NAND gate
- NOR gate
- XOR gate
- NAND as a universal gate
- Half adder
- Full adder
- 2-to-1 multiplexer
- SR latch (memory from two gates)
- D flip-flop
- JK flip-flop
- Synchronous counter (74HC161)