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Questions tagged [resistor]

Passive electronic component which reduces current flow in a circuit, dissipating power as heat.

8 questions with no upvoted or accepted answers
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How to use Honeywell NBP Series Sensor with Arduino

I am trying to use a HONEYWELL NBPDANN100PAUNV Pressure Sensor. I found an example here http://www.circuitstoday.com/interfacing-pressure-sensor-arduino As this example says as instrumentation ...
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34 views

Control 12V power with 3 transitors to 3 seperate consumers

I have this shematic. With one electrical Pump and two solenoid valves I want to control via the arduino. Here are the specs for the parts: Pump: 12V max. 250mA Valve 1: 12V max. 160mA Valve 2: ...
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Arduino Uno Force-Sensitive Resistor

Would any one know how many Force-Sensitive Resistors that a Arduino Uno can handle being hooked up to at one time?
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Using Capacitive Sensing Library with a 74HC4067 multiplexer

I'm trying to use the Capacitive Sensing Library by Paul Badger in conjunction with one or more 74HC4067 multiplexers to achieve a lot of capacitive touch inputs. I came across this youtube video ...
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2answers
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Load Resistor Use for Voltage Sensing by Arduino

I connected a piezoelectric film to a Arduino Uno board via analog input. However, as I was getting very high voltage values (reaching 5 volts without much movement). Therefore, I added a 1 megaohm ...
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1answer
817 views

Pulse counter to measure flow-rate: 0 Pulse issues

I am using a Netafim M-Series flow meter interfaced with a UC-32 Arduino. The goal of this is to create a pulse counter than in turn will allow us to determine flow rate in the meter. (1 US gallon per ...
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1answer
228 views

Minimum value of a pull-down resistor

I've just started working with the Arduino UNO SMD edition and I'm also quiet new to electronics in general. Recently I wanted to try out this tutorial https://www.arduino.cc/en/Tutorial/Button and I ...
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1answer
850 views

Understanding schematics: resistors attached to Attiny85 pins V-USB

I'm currently trying to create my own Attiny85 usb thumb(to mimic an joystick). I understand that I have to limit the voltage on the attiny's pins that are connected to the D+/- pins from the usb. In ...