bids are invited for arduino uno with ic - atmega 328p 8bit avr family , arduino nano soldered - atmega 328p 8bit avr family , arduino mega , breadboards and mini breadboard - solderless 400 points , general purpose soldering board - female berg strip 40 pins , general purpose soldering board - male berg strip 40 pins single row , i2c module for display soldered - dot matrix lcd display with 16 characters x 2 lines with i2c , usb cable set - usb cable set (a to b) , 9 volt battery - 9v battery rechargeable battery , line voltage regulator - 7805 , water pump module - dc 12v,4w,submersible water pump , 8 in to 8 led matrix module - max 7219 dot led matrix module mcu control led display module , bluetooth - hc 05 working voltage 5 volt , ldr module - photosensitive ldr light sensor module , joy stick - joy stick module for arduino , active buzzer - small 5 volt , motor driver - l298n moter driver module , dc plastic gear motor with wheel - 12v,150 rpm,side shaft,battery operated , nodemcu with wi-fi - esp 32 i2c,1 wire,plug and play , rgb leds - regular 5mm 3-5 volt range , leds red - regular 5mm 3-5 volt range , leds green - regular 5mm 3-5 volt range , leds blue - regular 5mm 3-5 volt range , led yellow - regular 5mm 3-5 volt range , leds white - regular 5mm 3-5 volt range , 555 timer ic - 555 timer ic 4.5v to 16 volt , diode kit - 1n4007-25 1n 4006-25zener diode 2.5v-25zener diode 4.6v-25 , transistor kit - bc-547-25 bc 557-25 , push button switch - tactile switch micro push button toggle switch , mq 2 smoke detection - mq-2 smoke detection , mq 3 alcohol-ethanol sensor - mq-3 alcohol-ethanol sensor , mq 4 methane natural gas sensor - mq-4 methane natural gas sensor , mq 5 methane liquified gas sensor - mq-5 methane liquified gas sensor , mq 6 liquified petroleum gas sensor - mq-6 liquified petroleum gas sensor , mq 7 high sensitivity co carbon monoxide sensor detector - mq-7 high sensitivity co carbon monoxide sensor detector , mq 8 hydrogen gas sensor - mq-8 hydr