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Light painting is a photographic technique used to create special effects at slow shutter speeds. A flashlight is usually used to "paint" the ...
Touch Switch Prototyping board Enclosure (eg. pen case) Lead free solder 1 x 9V battery 1 x 9V battery clip 5 x 2N7000 N-channel MOSFET 5 x 10M resist...
Drill holes for the LEDs and wires.
The touch switch here is a momentary switch which uses N-channel MOSFETs. When you touch +9V and gate, the LEDs turn on. The MOSFET requires up to 3 v...
Attach LEDs using epoxy. Allow them to set before soldering.
To make the switches, strip the wires and coat it with lead free solder. Solder the wires to the gate of each MOSFET. Hot glue the wires to the case. ...
To light paint, set the shutter speed to long exposure and use a timer. Mount your camera onto a tripod. The photos below were taken under slow shutte...
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