bids are invited for whatsapp interface device steel box - ss box chasis with top plate and sticker , keypad - keypad plate , screw - m3x35 mm (pack) ss screws, star type , keypad - 4x3 numeric keypad (black) , keypad - keypad pcb board , pcb - interface pcb board , screw - m3x10 mm ss screws, star type , screw - m3x15 mm ss screws, star type , screw - m3 nuts , pvc box - pvc square junction box for cctv camera mounting 4x4,white , arduino board - arduino leonardo board , heat shrink - heat shrink sleeves 2mm , heat shrink - heat shrink sleeves 6mm , lcd - 16x2 lcd display , pcb - mp3 module - mp3-tf-16p , trimpot - 10k trimpot , strip - male berg strip , strip - female berg strip , spacer - nylon spacer (pack) , usb - usb - micro usb cable 2meter cable , cable - 4 core 7/38 shielded cable , connector - 3 pin jst xh male straight connector , push button - 6x6x3.1mm panel smd tactile push button switch , connector - 3 pin jst xh female connector with cable , connector - 2 pin jst xh one side female connector with cable , connector - 10 pin jst xh both side female connector with cable , connector - 10 pin jst xh male connector only , connector - 7 pin jst xh male connector only , connector - 10 pin jst xh male right angle connector only , connector - 6 pin jst xh male connector only , connector - 7 pin jst xh female connector with cable single side connector , memory card - 4 gb sd card , push button , cable - pg 11 cable gland , cable - pg 7 cable gland , led - 5 mm red led , led - 5mm led housing holder plastic type , speaker - 8 ohms speaker 0.5w , heat shrink - heat sleeves (dia - 8mm ) , cable - twist cable tie roll (black) , adhesive - rubber based adhesive 50ml , socket - electrical socket 3 pin 6a , switch - electrical switch 6a , plug - 3 pin plug top 6a , way - gang way box for 2 switch 2 socket model (6 model switch box) , ricipt printer - tvs printer head rp-3220 , roximicipy sensor - proximity sensor npn no type range 10 to 30v dc , mcb - 16 way mcb distribution box for electric connection total quantity : 4827