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but can also be used with other microcontrollers
and a sensor arm
7421 (Dual 4-Input Positive and Gates )is an IC which contains two independent 4 input AND gate each of which performs the logic AND function
3V Voltage Regulator
Preprogrammed ATmega328 and bootloader
Strong Double Stick Tape ( large ) NFC but can also be usedIntroduction : Mounting accessories, decorations, paintings, posters, frames and photos anywhere in your house, including the bathroom and kitchen. Wall safe adhesive enables apartment renters and office workers to temporarily post objects on walls without the fear of damaging the surface finish or leave any sticky residue upon removal. Multi purpose replacement bolts and screws, uniform and uneven surfaces for internal or external use. Features :