bids are invited for procurement of project components raspberry pi 4 , arduinoi uno r3 , gps module neo 6m , dual motor driver module l298 , ir sensor module , 28bjy stepper motor and unl 2003 stepper motor driver board , silicon liquid glue , sd card 16gb , acrylic sheet 1000mm 2000m 8mm , 200 rpm single shaft bo motor , solar charger 20000mah portable solar power bank waterproof , smart car wheel , ultrasonic sensor , bluetooth module hc 05 , conveyor roller , servomotor sg 90 , waterproof sports vlog webcam camcorder with 2 rechargeable batteries sports and action camera , stainless steel 200 mesh woven , rectangular aluminium pipe 1 1 length 4 feets , acrylic sheet 1000mm 2000m 4mm , brushless servomotor emax es3005 4.8v 6v metal analog servo waterproof 42gm for rc model , canakit raspberry pi 4 4gb starter kit 4gb ram , aluminium servo horn arm 25t round type disc mg995 mg996 , raspberry pi camera ir cut night vision camera module for raspberry pi 3 rpi 2 better image in both day and night , aluminium gt2 timing pulley 36 teeth 5mm bore for 6mm belt , raspberry pi 4 model b with 4 gb ram , 20cm dupont wire color jumper cable 2.54mm 1p 1p female to female 40pcs , 10cm female to female breadboard jumper dupont 2.54mm 1p 1p cable 40 pcs , 20 cm 40 pin dupont cable male male male female female female cable combo , rpi shop m3 10mm phillip drive pan head screws hybrid phillips slotted drive fully thread black oxide finish machine thread quantity 10 pcs , m3 10mm female female brass hex threaded pillar standoff spacer 24 pcs , heat sink for package pi48 25 24 16 mm , 17mm bearing , invento 10pc mr63zz 3 6 2.5mm for 3mm rod radial ball bearings cnc robotics diy projects , dc6 12v mini aquarium water pump r385 , 433mhz 100mw radio telemetry kit , ts835 fpv 5.8g 600mw 48ch 2 6s wireless av transmitter , rd945 fpv wireless 5.8ghz 48ch receiver , teensy 4.0 , 5v 1 channel relay module , imu bno080 , digital hall effect sensor 10 pcs , ydlidar x2 360 degree ros scanner fo