Measuring Internal Resistance of Batteries Tutorials

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SIK parts used to make a simple voltmeter. We can use this voltmeter to measure the open circuit and loaded voltages of various batteries to determine their internal resistance. The full tutorial can be found here.

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Product Subtotal Qty
SparkFun RedBoard - Programmed with Arduino
Retired DEV-12757
19.95 1   
Cannot be ordered at this time.
Breadboard - Self-Adhesive (White)
In stock PRT-12002
5.5 1   
Jumper Wires Standard 7" M/M - 30 AWG (30 Pack)
Only 6 left! PRT-11026
2.45 1   
Trimpot 10K Ohm with Knob
In stock COM-09806
1.05 1   
Basic 16x2 Character LCD - White on Black 5V
In stock LCD-00709
20.5 1   
Resistor 330 Ohm 1/6th Watt PTH
In stock COM-08377
0.3 1   
Resistor 10k Ohm 1/6th Watt PTH
Only 5 left! COM-08374
0.1 1   
Total: 49.85