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1.603 Bytes hinzugefügt ,  18:47, 5. Feb. 2012
Created page with "For the German version go to Arduino voltammeter =General= thumb|ammeter on breadboard [[Image:AmmeterInBetrieb_Schaltplan.jpg|thu..."
For the German version go to [[Arduino voltammeter]]
=General=
[[Image:AmmeterInBetrieb_Steckplatine.jpg|thumb|ammeter on breadboard]]
[[Image:AmmeterInBetrieb_Schaltplan.jpg|thumb|ammeter circuitry]]

I describe a volt-amperemeter using Arduino microcontroller.
The measurements (voltage and current in one) can be made permanently
(for instance every second).

In picture ''ammeter on breadboard'' you see at the
''input'' a battery block and at the ''output'' a LED
with its safety resistor. These two components can be
replaced by any two power source and current consumer
respectively, as long as they are in a certain range.

{{zip|ArduinoAmmeter.zip|112KB|Version from 05.02.2012}}
==Logging==
[[Image:DS1307.jpg|thumb|timer DS1307]]
Time and Date information is delivered by DS1307 break out board.
You can also omit this part (including cables) without affecting the measurement of
voltage and current. Time and Date is then simply shown to be zero
in the log entries.

'''BEISPIEL (aus SERIAL MONITOR)'''

log permanent on

V=5.86;mA=10.27;R_v=523.30;mW=60.14;time=19:2:58;day=5;monat=2

V=5.86;mA=10.27;R_v=523.30;mW=60.14;time=19:2:59;day=5;monat=2

V=5.86;mA=10.27;R_v=523.30;mW=60.14;time=19:3:0;day=5;monat=2

V=5.86;mA=10.27;R_v=523.30;mW=60.14;time=19:3:1;day=5;monat=2

log permanent OFF
==References==
My circuit is an adaption of the Renatos blog
http://rexpirando.blogspot.com/2011/03/arduino-volt-ammeter-part-1-breadboard.html
who himself refers to page
http://electronics-diy.com/70v_pic_voltmeter_amperemeter.php, where you can
find the kernel circuit doing the measurements.
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