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IN SPACE. Richardson 50 cent Physics lesson Voltage Electric Potential Difference, V Promise of energy per charge Current Measure of charge flow, I =

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Presentation on theme: "IN SPACE. Richardson 50 cent Physics lesson Voltage Electric Potential Difference, V Promise of energy per charge Current Measure of charge flow, I ="— Presentation transcript:

1 IN SPACE

2 Richardson 50 cent Physics lesson Voltage Electric Potential Difference, V Promise of energy per charge Current Measure of charge flow, I = dq/dt 50  A = 50 microAmps = 50 x 10 -6 Coulombs per second Power P = dW/dt = Work per unit time = q  V / t = IV 5 V = 5 Volts = 5 Joules per Coulomb Throw in Ohm’s Law too! V = IR

3 CONNECTING TMP36 Temperature Sensors to the Arduino Microcontroller

4 What is a TMP36?

5 How does a microcontroller see analog information? It’s all about counts Arduino has a 10-bit analog to digital converter, 2 10 = 1024 and samples between 0.0V and 5.0V 1024 raw counts / 5.0V = 205 counts/Volt or 0.0049 Volts/count Example: An analog reading of 2.2V is 2.2V(205 counts/Volt) = 451 counts Example: A reading of 780 counts is 780 counts(0.0049 Volts/count) = 3.8V

6 Arduinos and TMP36 https://goo.gl/4egTac https://goo.gl/g5YUTs

7 RED is outside tempGREEN is inside tempBLUE is AC vent temp


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