Complete text of the description and the individual steps in this how-to videos. Howcast Watch other videos for the do-it-yourself from cognitivefilms and other videos in Science & Technology Projects category. It can also help! Create instructions for DIY www.howcast.com right spots and make your own program with the Howcast Howcast Filmmakers www.howcast.com You have a mystery to be solved? Someone was making out with your order, and you have no idea who he is, is not it? Here's your chancein order to catch in the act. To complete this how-to, you need: A laser pointer, a little duct tape a couple of small mirrors, a microchip LM741 A 220-ohm resistance of a photocell A cheap digital camera an extra-small screwdriver, a wire hanger , some thin, insulated wire of a PCB A 9 A 9-volt battery clip-volt welding a pair of wire cutters A soap caddy with drainage holes A step voltage relay 1: Create the circuit to build the circuit. Center on the microchipPCBs. Pop in the voltage regulator. Connect the battery clip leads to the regulator. Run two more leads from the regulator. Pop the resistance and the cell picture. Connecting the chips on the photocell. Pop on the season. Connecting the chips it as well. Connect the other side of the relay "power". Step 2: Disassemble Remove digital camera camera so that the board attached to the camera's shutter button can access. Tip: You can remove the board room to get a good weld...
Keywords: howcast, how-to, tech, laser, security, experiment, science
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