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Senseur IR Intervalometre (voir la source)
Version du 4 septembre 2012 à 11:30
, 4 septembre 2012 à 11:30aucun résumé de modification
suite ici [http://learn.adafruit.com/ir-sensor/making-an-intervalometer]
suite ici [http://learn.adafruit.com/ir-sensor/making-an-intervalometer]
== xxx ==
{|
| align="center" style="background:#f0f0f0;"|'''PWM ON'''
| align="center" style="background:#f0f0f0;"|'''OFF'''
|-
| 2.0 ms ||2.7 ms
|-
| 0.4 ms ||1.5 ms
|-
| 0.5 ms ||3.5 ms
|-
| 0.5 ms ||62.2 ms
|-
| 2.0 ms ||2.7 ms
|-
| 0.5 ms ||1.5 ms
|-
| 0.5 ms ||3.5 ms
|-
| 0.5 ms
|}
If you look closely you'll see its actually just
{|
| align="center" style="background:#f0f0f0;"|'''PWM ON'''
| align="center" style="background:#f0f0f0;"|'''OFF'''
|-
| 2.0 ms ||2.7 ms
|-
| 0.4 ms ||1.5 ms
|-
| 0.5 ms ||3.5 ms
|-
| 0.5 ms ||62.2 ms
|}
sent twice. Sending the same signal twice is very common - doubling up to make sure it gets received
Next up we'll need to connect an IR 940nm LED to the output of the Arduino
[[Image:IR-INTERVAL-4.jpg]]
Then we'll write a sketch which will pulse pin #13 on and off very fast in the proper code sequence.
{{ADF-Accord}}
{{ADF-Accord}}
{{MCH-Accord}}
{{MCH-Accord}}