Dark Activated Circuit

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Introduction: Dark Activated Circuit

hi everyone.

my name is bar toplian and i'll show you how to make a dark activated circuit

Step 1: Step One - List of Materials

(x1) usb connector

(some) jumper wires

(x1) 104 variable resistor

(x1) LED

(x1) general purpose small signal npn bipolar transistor (2n2222a)

(x1) 220 ohms resistor

(x1) 2200 ohms resistor

(x1) LDR (light dependent resistor

Step 2: Step 2 - Solder Jumpers to the Usb Connector

solder one jumper(purple) to the negative terminal of the USB

solder the other jumper(grey) to the positive terminal of the USB

Step 3: Step 3 - Connect Everything to a Breadboard or Prefboard

use the following schematics to wire the circuit

Step 4: Step 4 - Enjoy Your Result

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    We have a be nice policy.
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    Tips

    You need to understand that the circuit is only a base you can even connect mosfet and control led strip with

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