purchase of electrical items refer tendernotice , selector switch (electronic type 5v) , selector switch (230v) , tester , temperaturesensor , inductiveproximitysensor , capacitive proximitysensor , led (red, yellow, blue) , buzzer , arduino uno , ultrasonic sensor (e.g. hc-sr04) , soil moisture sensor , breadboard , jumper wires , usb cable , resistors (100 ohms) , resistors (150 ohms) , resistors (2.2 k) , resistors (1 k) , resistors (10 k) , resistors (100 k) , pn junction diode (e.g. 1n4007) , zener diode (e.g. 5.1v) , bjt (e.g. bc547 & bc147) , fet (e.g. jfet bf245&bfw10) , ujt (e.g. 2n2646) , capacitors(100 micro farad) , capacitors(0.1micro farad) , capacitors(0.01micro farad) , capacitors(0.33micro farad) , capacitors(10 micro farad) , capacitors(1 micro farad) , ic 741 (op-amp) , ic 555 timer , ic 7805 , ic 7912 , ic 7400 (nand) , ic 7402(nor) , ic 7408 (and) , ic7486(ex-or) , ic7432(or) , ic 7483 (full adder) , switch type indicators , pcb board (10cm * 10cm) , soldering iron kit , multimeter battery , switch type fuse , ujt (e.g. 2n2646) , scr (e.g. tyn604) , mosfet (e.g. irf540) , igbt (e.g. irg4bc30k) , diac (db32) , resistors (2k ohm) , resistors (26 ohm) , potentiometer 1m ohm , triac (e.g. bta 16) , solid staterelay , opto-isolator (e.g. moc3021) , lamp (230v,60w) , bridgerectifiermodule , pwm generator ic (e.g. sg3525/ic555) , heat sinks , breadboard , transformer230v/12v , connectingwires single stand