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Planned Tan Liquid Breathing Apparatus
Controls
Properties
Availability & Pricing
| Distributor | Qty 1 | |
|---|---|---|
| Arrow | $0.78–$0.95 | |
| Digi-Key | $0.95 | |
| LCSC | $2.05 | |
| Mouser | $2.74 | |
| Verical | $0.84 | |
Assets
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alebaez73
copilot
-
HSDL-4400#011:
- This is an infrared LED. Its pins are:
- Pin 1 (-)
- Pin 2 (+)
- Typically, LEDs do not require pull-up or pull-down resistors. They just need a series resistor to limit current.
-
TLC374CN:
- This is a quad comparator. Pins include:
- Pin 1 (1OUT)
- Pin 2 (2OUT)
- Pin 3 (VDD)
- Pin 4 (2IN-)
- Pin 5 (2IN+)
- Pin 6 (1IN-)
- Pin 7 (1IN+)
- Pin 8 (3IN-)
- Pin 9 (3IN+)
- Pin 10 (4IN-)
- Pin 11 (4IN+)
- Pin 12 (GND)
- Pin 13 (4OUT)
- Pin 14 (3OUT)
- Comparators can have issues with floating inputs. It is common practice to tie unused inputs to ground or VDD through resistors, but often a direct connection suffices for unused inputs.
-
HSDL-4251:
- This is an infrared emitter. Its pins are:
- Pin 1 (A)
- Pin 2 (K)
- Similar to other LEDs, no pull-up or pull-down resistors are needed.
-
C1: PX105K3IE5PL106E9R and C2: CA45-A-16V-4.7uF-K
- These are capacitors, and they do not require pull-up or pull-down resistors.
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