bids are invited for equipments and components alphanumeric 16 x 2 lcd display , 1 digit 7 segment display , microcontroller chip 8051 , push button switch 4pin , 5v mini buzzer , 5mm 2 pin multicolor leds , male to female jumper wires , male to male jumper wires , female to female jumper wires , plastic ultrasonic sensor , sound sensor , temp and humidity dht 11 sensor , ir sensor , finger based heart rate sensor , esp8266 wifi module , hc05 bluetooth module , rain drop detection sensor module , bmp180 pressure sensor , rees52 flame detection sensor , sw420 vibration sensor , 4g gsm module , lm393 speed sensor , 5v single channel relay module , 16mhz crystal oscillator , dc servo motor , small component box total quantity : 690