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please explain what R2 does.
umidoo

umidoo

@copilot please explain what R2 does.
1y

copilot

In the given project, R2 is a resistor with a resistance of 12,000 ohms (or 12 kΩ), packaged in an SMD 0603 form factor. Based on the connection details:
  • R2 is connected to the net "Net 9" at its pin R2:P1, which is also connected to the RC1 pin of the PIC16F505 microcontroller (U3).
  • The other pin R2:P2 connects to "Net 7", which connects to R13 and the anode (A) of the diode D4.
In conclusion, R2 is likely acting as a current-limiting or pull-up/pull-down resistor for the signal associated with these pins. It helps to stabilize the input/output signal, manage loading, or dictate consistent logic levels for pin RC1 on the microcontroller. The exact function would depend on the intended role of the connected circuit elements.
1y
2
New Comment
3
R15
Resistance
220000 Ω
D3
R11
Resistance
220000 Ω
CN1:1
CN1:5
R8
Resistance
680 Ω
CN1:4
R2
Resistance
12000 Ω
R10
Resistance
100 Ω
R5
Resistance
680 Ω
R9
Resistance
4700 Ω
R6
Resistance
12000 Ω
R7
Resistance
680 Ω
R12
Resistance
220000 Ω
R13
Resistance
12000 Ω
R1
Resistance
4700 Ω
R16
Resistance
12000 Ω
CN1:2
CN1:3
R3
Resistance
33000 Ω
C1
Capacitance
100nF
D4
U1
D5
Q1
End of Life
D1
U3

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