Photo Light Trigger

PCB 2 layers FR4 1.6 50x60 mm RoHS compliant Lead Free

Step 1: The PCB is perfect and fits perfectly into the box !

PCBWAY service was great as always !

The PCB looks perfect. Delivery time very quick and trackable.

++++ Really recommended !!!

functions

• set trigger level

• adjustable sensibility

• low level battery alert

• BULB mode for High Speed Photography HSP

technical specify

• power supply : 9V battery

• average reaction time : less than 6 msec (HSP)

• average battery duration : (testing)

• jack adapter 2.5 – 3.5 mm

Eagle pcb

Step 2: test board and all the components

test board with a display to monitor the software execution time. it is around 200 microseconds in RUN mode  (380 in SET mode)

Step 3: soldering all the parts

Step 4: assembly the box

the light sensor on the front panel

Step 5: ...and power on ! Really thanks to PCBWAY for the great work done... as always !

I will add some pictures i will take using this trigger.

Step 6: Testing...

Finally a lightning storm to test the trigger... a bit too far but still useful for testing.
The photos were taken in day light.
Camera setting : Manual, Focus manual, VR off, various shutter time (from 1/40 to 1/100)