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return { "R1": R1, "R2": R2, "R_G": R_G, "R_OUT": R_OUT, }
Enter the input voltage (Vin): 10 Enter the reference voltage (Vref): 5 Enter the gain of the amplifier: 10 Calculated Component Values: R1: 1000.00 Ω R2: 500.00 Ω R_G: 100.00 Ω R_OUT: 1000.00 Ω This calculator provides the required component values for your LM3915 circuit based on the input voltage, reference voltage, and gain of the amplifier. Use these values to design and build your circuit. lm3915 calculator updated
print("Calculated Component Values:") print(f"R1: {components['R1']:.2f} Ω") print(f"R2: {components['R2']:.2f} Ω") print(f"R_G: {components['R_G']:.2f} Ω") print(f"R_OUT: {components['R_OUT']:.2f} Ω") return { "R1": R1, "R2": R2, "R_G": R_G,
def calculate_components(Vin, Vref, gain): """ Calculate the required components for the LM3915 circuit. if __name__ == "__main__": main() Run the script
if __name__ == "__main__": main() Run the script and enter the required values when prompted:
# Calculate the value of R_G for the gain R_G = 1e3 / gain # 1 kΩ / gain
Returns: dict: A dictionary containing the calculated component values. """ # Calculate R1 and R2 for the voltage divider R1 = 1e3 # 1 kΩ R2 = (Vref / Vin) * R1
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