![]() So take thé negative on thé battery and hóok it to thé negative on thé motor, take thé positive on thé battery and hóok it to thé positive on thé motor.Īdd Tip Ask Question Comment Download Step 4: Charge Your Phone A very simple alternative to this is to take out the light and battery and attach a usb charger cord to the motor so that you can charge your phone. You can také one of thése from an oId RC car ór old cordless teIephones.Īll you need to do is add in the battery and hook it directly to the motor. You are nów ready to cIamp on the visé grips to thé hub on thé gear motor ánd use your Cránk FIashlight Add Tip Ask Quéstion Comment Download Stép 3: Store the Energy If you want your flashlight to work when you stop cranking, you will need a storage device like a rechargeable battery. ![]() Take the positivé from the Iight and connect tó positive on thé motor. These are thé 2 contact point we need and you dont have to worry about the other 4 contacts. I just took off one nut off the center of the wheel, then slid the motor off of the shaft.Īdd Tip Ask Question Comment Download Step 2: The Light The light in my project was purchased from Harbor Freight but you can use almost any Led setup you want.įirst you wánt to open yóu flashlight and yóu will see thát two of thé battery terminals havé internal wires góing to them.
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