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The HC-05 Bluetooth module can connect to other modules in two ways as a master
Input Voltage: 7-12V
This EEG headset can safely measures and transfers the power spectrum (alpha waves
Operates ratiometrically or with 5 VDC or analog span adjusted voltage reference
Arduino Uno R3
High Quality electric soldering iron (Adjustable ENC28J60 The HC-05 Bluetooth module canIntroduction : A soldering iron is a hand tool used to heat solder, usually from an electrical supply at high temperatures above the melting point of the metal alloy. This allows for the solder to flow between the workpieces needing to be joined. Features : Work Voltage: 220V . Power: 60W . Dimensions: 30. 00cm x 9. 00cm x 3. 00cm. Adjustable heat CAUTIONS: When using the soldering iron for the first time, smoke may appear on the tip and stop in a
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