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Hostile Moccasin Dejarik
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|---|
Digi-Key | $3.63–$3.85 |
LCSC | $8.67–$10.45 |
Mouser | $4.47–$4.57 |
Controls
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For LED1 (WP7113SRD/D) Circuit:
- Forward Voltage of LED1 (LED1:A to LED1:K): 1.85V
- Assuming V1 supplies 12V and considering an LED current of about 20mA (a typical value for brightness without damaging the LED):
The voltage across the current-limiting resistor (R3) = 12V - 1.85V = 10.15V.
Using Ohm's law ((V = IR)), the resistance (R) needed for about 20mA current would be (R = \frac{V}{I} = \frac{10.15V}{0.02A} = 507.5\Omega).
However, R3's exact value isn't provided in your description. Please adjust the current by selecting an appropriate resistor value or confirm if 507.5Ω or a preferred brightness level intended for calculation accuracy.
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For R2 (470Ω):
- Given the net involving R2 links to Q1:B, to calculate its function precisely, I need the intended operation of Q1 (whether it's amplification, switching, etc.) and the base current or expected voltage drop across R2.
- If assuming a simple switch operation and a base-emitter voltage drop of 0.7V (typical for 2N3904), with a 5V signal to the base through R2, the base current ((I_{B})) would be (I_{B} = \frac{(5V - 0.7V)}{470Ω} ≈ 9.15mA). The actual operating voltage wasn't provided, so I used a common logic level voltage for illustration.
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For R1 (10kΩ) & R4 (47kΩ) in Net e19eb2443f3b0dd66239f6bae2183d6c:
- It seems these resistors might be part of a voltage divider or biasing network; without knowing the expected input voltage or specific configuration intention (like biasing for U1), further specific calculations are challenging.
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For the Relay K2 Circuit:
- Calculations for the relay coil (involving K2: COIL_1 and COIL_2) would depend on the relay's coil resistance, which isn't provided. Generally, you would ensure the coil receives sufficient current for operation within the relay's specifications.
Diode and Transistor Considerations-
D1 (1N4007W) Functions: Primarily for protection or rectification. Its placement in the circuit (especially with considering it's connected to Q1:C) would be crucial in determining its specific role (e.g., flyback diode for inductive loads).
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Q1 (2N3904) Operation: The function (switching, amplifying) would influence the calculations significantly, particularly how the current through R2 influences Q1's operation in your setup.
General Considerations