How to make a thermostat by yourself
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Used:
◘ PNP transistor BC557 €0.10
◘ NPN transistor BC547 €0.10
◘ Resistor 4.7KΩ €0.10
◘ Resistor 1.2ΚΩ €0.10
◘ Resistor 2.2ΚΩ €0.10
◘ Resistor 2.7ΚΩ €0.10
◘ Trimmer 470Ω €0.80
◘ Diode 1N4148 €0.05
◘ 12-volt relay €1
► Scheme with all items:
http://goo.gl/sW9C42
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Music/Outro:
➜ Early Riser Kevin MacLeod
Incometech.com
➜ Noduz - Trinity
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☠ CAUTION ☠ be careful and do not try this at home, the author is not responsible for your actions, this video is for entertainment purposes only, not educational or instructional!