From d25091df625c4ae9d69d887635d19db6545e7578 Mon Sep 17 00:00:00 2001
From: Quentin Bolsee <quentinbolsee@hotmail.com>
Date: Tue, 2 Apr 2024 01:34:25 -0400
Subject: [PATCH] resistor calculator
---
calculator/calculator.py | 73 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 calculator/calculator.py
diff --git a/calculator/calculator.py b/calculator/calculator.py
new file mode 100644
index 0000000..e61b336
--- /dev/null
+++ b/calculator/calculator.py
@@ -0,0 +1,73 @@
+def main():
+ resistors = [30,
+ 33,
+ 36,
+ 39,
+ 43,
+ 47,
+ 49.9,
+ 51,
+ 56,
+ 62,
+ 68,
+ 75,
+ 82,
+ 91,
+ 100,
+ 110,
+ 120,
+ 130,
+ 150,
+ 180,
+ 200,
+ 220,
+ 240,
+ 270,
+ 300,
+ 330,
+ 360,
+ 390,
+ 430,
+ 470,
+ 499,
+ 510,
+ 560,
+ 620,
+ 680,
+ 750,
+ 820,
+ 910,
+ 1000,
+ 1200,
+ 1500,
+ 2000,
+ 2200,
+ 2700,
+ 3300,
+ 4700,
+ 4990,
+ 5600,
+ 10000]
+
+ target_ratio = 4.5
+
+ ratio_dict = {}
+
+ n = len(resistors)
+
+ for i in range(n):
+ for j in range(n):
+ if j < i:
+ continue
+ ratio_dict[(i, j)] = resistors[j] / resistors[i]
+
+ ij_sorted = sorted(ratio_dict.keys(), key=lambda x: abs(ratio_dict[x] - target_ratio))
+
+ i, j = ij_sorted[0]
+ print(f"Values: {resistors[i]}, {resistors[j]}")
+ print(f"Ratio: {ratio_dict[i, j]}")
+ print(f"Error: {100 * abs(ratio_dict[i, j] / target_ratio - 1):.2f} %")
+
+
+if __name__ == "__main__":
+ main()
--
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