Camera control

Projects General Guidance
1

first project patience please. Im makinhg a board to control my canon550d.all going well I need to control my Vivatar 283 seperatly to the camera but tied to the camera sequence..The volts on the 283 seem to vary arround 400v dc.Ive tried useing
scr`s to do this but seem to get intermittent responce.Any help appreaciated .

2

http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1208117338

These are just a few of the articles found that may help
https://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS395&q=digital+control+of+high+voltage+flash&oq=digital+control+of+high+voltage+flash&aq=f&aqi=&aql=&gs_l=igoogle.3...1713.12356.0.12820.45.19.4.22.26.0.84.1329.19.19.0...0.0.l008RnDioXI#hl=en&rlz=1G1GGLQ_ENUS395&sclient=psy-ab&q=camera+flasg+with+arduino&oq=camera+flasg+with+ard&aq=0A&aqi=q-A1&aql=&gs_l=serp.1.0.33i29.8676.13412.3.15839.21.19.0.2.2.0.92.1505.19.19.0...0.0.zKAOfZH6Esk&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=dd77c1d95ca3fbd9&biw=1855&bih=961

3

The volts on the 283 seem to vary arround 400v dc.Ive tried useing scrs to do this but seem to get intermittent responce.Any help appreaciated

I've got a couple of 283s, one with a trigger voltage of around 180V, the other only about 6V.

I use MOC3020 to trigger them. Very easy to drive, I haven't played with them for a while, but drive them as a LED, and a pulse of as short as one microsecond will trigger the output.