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Amazing. thanks for this, made it very straight forward. Only did the 100mhz option since it came with the rest already enabled form the factory.
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little late for answering but it's not a short. The nichrome wire has a high resistance in comparison to other wires. If I recall correctly 1 amp will flow. The 9 volt battery won't like that high current but it does work. Lithium batterys will explode if you abuse them. 9v batterys not so much.
I want to help you but I will need some details
You can get a Arduino pro mini clone for €1,50
how hot does this heatsink get?
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The Servo motor wont work then, but If you change the code it Will work fine on a different digital pin.
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Thanks for sharing. It works great but I Get a resistance of more than 200Mohm when not Bend and my multimeter cant measure that so i need to put a 6Mohm resistor orso in parallel. I Did put a lot of Carbon on the paper so that can not be the problem. What type of pencil Did you use? I used HB. I found that B2 had a even higher recistance so maybe I could try a harder pencil.
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Thank you for your comment. I know 9volt batterys suck at delivering high currents becouse of their high internal resistance. But they can deliver 1 amp and not everyone has a li-ion 18650 battery. So i chose to use a 9v battery becouse of their shape and everyone has one. I coiled the wire to concentratie the heet in one spot becouse I needed almost 10 cm of wire to Get the 1amp current draw.
that is a good idea but unfortunately I don't have a 3D printer and I don't know somone who has one. But if I had one I would have printed a nice case for it.
I am not sure. I recovered it from a old hair dryer and I don't have the tools to mesure it.
Electric LighterView Instructable »
The voltage range on the Bluetooth module is from 3,6 to 6 volts. The power source are 3 rechargeable 1,2 volt batterys so that's 3,6 volts but if the batterys get low it will drop below 3,6 volts so you will need to use non rechargeable 1,5 volt batterys for it to propperly work so that is why I connected it to the 5volt pin of the arduino.
It is a Bluetooth device and Wikipedia says that Bluetooth works with 2.4 to 2.4835 GHz.
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