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3_student&instructor

3_student&instructor - Using the Board of Education...

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Using the Board of Education Breadboard and Your Multimeter ENGR 120 Work in teams of two!
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Your Multimeter leads probes pincer clips – good for working with Boe-Bot wiring You will use the multimeter to understand and troubleshoot circuits, mostly measuring DC voltage, resistance and DC current. turn knob to what you would like to measure (push these onto probes)
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Measure V in Vin will be the same as your power supply voltage. For the case below, 4 AA batteries are used resulting in approximately 6 V (5.79 V to be more exact). Vin = power supply voltage Vss = ground (negative side of battery) Switch to DC Volts
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Measure Vdd Vdd will always be around 5V (it is 4.94 V here). A voltage regulator on the Board of Education reduces this voltage from Vin down to ~ 5V. The Boe-Bot operates on 5V DC. Vdd ~ 5V Vss = ground (negative side of battery)
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Select Resistors Find the 470 and the 10k resistors from your Boe-Bot kit. Example: 470 resistor: 4 = yellow 7 = violet Add 1 zero to 47 to make 470, so 1 = brown Now, find the 10k resistor.
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