Update README.md

nasa-jpl · Jul 31, 2020 · 1d442a5 · 1d442a5
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Showing 1 changed file with 6 additions and 6 deletions.
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@@ -39,23 +39,23 @@ Here’s the tool and equipment list, materials, circuit diagram and assembly in
 
 ![Materials_Required.jpg](Images/Materials_Required.jpg)
 
-1. IR Sensor unit: Pololu 38 kHz IR Proximity Sensor [Order Here](https://www.pololu.com/product/2578) or equivalent
+1. IR Sensor unit: Pololu 38 kHz IR Proximity Sensor [Order Here](https://www.pololu.com/product/2578) or equivalent in function and [size determined by CAD here](https://github.com/nasa-jpl/Pulse/blob/master/CAD/Components/pololu-38-khz-ir-proximity-sensor.STL)
 
-2. PNP Transistor: 2N3906 or equivalent: [Order Here](https://www.amazon.com/Projects-B-0001-A10f-General-Transistor-92/dp/B07Y3GFR5P/ref=sr_1_6?dchild=1&keywords=2n3906+transistor&qid=1589929461&sr=8-6) or equivalent
+2. PNP Transistor: 2N3906 or equivalent: [Order Here](https://www.amazon.com/Projects-B-0001-A10f-General-Transistor-92/dp/B07Y3GFR5P/ref=sr_1_6?dchild=1&keywords=2n3906+transistor&qid=1589929461&sr=8-6) or equivalent in function
 
-3. 1 K Ohm standard resistor: [Order Here](https://www.amazon.com/EDGELEC-Resistor-Tolerance-Resistance-Optional/dp/B07HDDWFDD?ref_=ast_slp_dp) or equivalent
+3. 1 K Ohm standard resistor: [Order Here](https://www.amazon.com/EDGELEC-Resistor-Tolerance-Resistance-Optional/dp/B07HDDWFDD?ref_=ast_slp_dp) or equivalent in function
 
-4. Slide Switch to fit case: [Order Here](https://www.amazon.com/gp/product/B07NLR444L/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1) or equivalent
+4. Slide Switch to fit case: [Order Here](https://www.amazon.com/gp/product/B07NLR444L/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1) or equivalent in function and [size determined by CAD here](https://github.com/nasa-jpl/Pulse/blob/master/CAD/Components/Switch.STL)
 
 5. Vibrating Motor to fit case [Order 10x2.0mm Vibrating Motor Here](https://www.pololu.com/product/1638) or [Order 10x3.4mm Vibrating Motor Here](https://www.pololu.com/product/1636) 
 
 6. W1 – 5 cm; W2 – 4 cm; W3 – 2 cm; W4 – 2 cm; 22 Gage Wire
 
 7. Heat shrink tubing to cover leads: [Order Here](https://www.amazon.com/560PCS-Heat-Shrink-Tubing-Eventronic/dp/B072PCQ2LW/ref=sr_1_5?dchild=1&keywords=shrink+wrap&qid=1589929721&s=industrial&sr=1-5) or equivalent to cover a 2.5mm diameter wire
 
-8. Battery Holder: [Order Here](https://www.amazon.com/gp/product/B07FL8MFK8/ref=ppx_yo_dt_b_asin_title_o01_s01?ie=UTF8&psc=1) or equivalent
+8. Battery Holder: [Order Here](https://www.amazon.com/gp/product/B07FL8MFK8/ref=ppx_yo_dt_b_asin_title_o01_s01?ie=UTF8&psc=1) or equivalent in function and [size determined by CAD here](https://github.com/nasa-jpl/Pulse/blob/master/CAD/Components/Battery_receptacle.STL)
 
-9. 3V CR2032 Coin Battery: [Order Here](https://www.amazon.com/gp/product/B071D4DKTZ/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1) or equivalent
+9. 3V CR2032 Coin Battery: [Order Here](https://www.amazon.com/gp/product/B071D4DKTZ/ref=ppx_yo_dt_b_asin_title_o09_s01?ie=UTF8&psc=1) or equivalent in function
 
 10. Dark colored paint (i.e., acrylic, oil, nail polish etc.) such as black, navy blue, dark green, etc. (Required only when utilizing non-black colored case material)