Changes between Version 27 and Version 28 of ControlSystems/Electrical/Training/Arduino/Lesson2

Timestamp:

Nov 3, 2019, 4:39:37 PM (6 years ago)

Author:

David Albert

Comment:

--

ControlSystems/Electrical/Training/Arduino/Lesson2

@@ -34 +34 @@
    * Current:
        * [http://data.energizer.com/PDFs/BatteryIR.pdf Internal resistance]
-       * What are [http://www.optimabatteries.com/en-us/experience/power-source/what-does-cold-cranking-amps-cca-mean/ Cold Cranking Amps] anyway?
+       * What are [https://www.optimabatteries.com/en-us/experience/2014/01/what-does-cold-cranking-amps-cca-mean Cold Cranking Amps] anyway?
        * Why it matters: motors draw a **lot** of current.
    * Capacity:
@@ -44 +44 @@
    * Energy density (SLA -> Lithium)
    * Self discharge (shelf life)
-   * **EXERCISE**: [https://learn.sparkfun.com/tutorials/how-to-use-a-multimeter-retired-tagged-by-internet-as-malware Use a multimeter] to measure voltage of a battery (ask a mentor if you don't have one)
+   * **EXERCISE**: [https://learn.sparkfun.com/tutorials/how-to-use-a-multimeter/all Use a multimeter] to measure voltage of a battery (ask a mentor if you don't have one)
 * Conductors/[https://learn.sparkfun.com/tutorials/what-is-a-circuit Circuits]
    * What is a conductor
@@ -56 +56 @@
        * voltage divider ([https://learn.sparkfun.com/tutorials/voltage-dividers how can I (safely) connect the 5v control signal from my Arduino to my 3v3 sensor])
        * current sensing ([http://www.scienceshareware.com/bg-current-monitoring.htm how can I stop my motor from burning up]) [http://www.eetimes.com/document.asp?doc_id=1279404 more advanced tutorial] [http://www.romanblack.com/current.htm circuit]
-   * [http://www.learnabout-electronics.org/Resistors/resistors_20.php Series and parallel resistance] [http://www.electronics-tutorials.ws/resistor/res_5.html another tutorial] [http://www.facstaff.bucknell.edu/mastascu/eLessonsHtml/Resist/Resist2.html exercises]
+   * [http://www.learnabout-electronics.org/Resistors/resistors_20.php Series and parallel resistance] [http://www.electronics-tutorials.ws/resistor/res_5.html another tutorial] [https://www.brown.edu/Departments/Engineering/Courses/En123/CirRevFiles/Resistance2.htm exercises]
    * **EXERCISE**: Use a multimeter to measure resistance
    * Power dissipation (or why you don't want to be a fuse)