bids are invited for procurement of project components--raspberry pi 4 model-b with 4 gb ram, orange 11.1v 4200mah 35c 3s lithium polymer battery pack, zigbee xbee module s2c 802.15.4 2mw with wire antenna xb24cz7wit-004 neo ,7m gps with compass for apm 2.6/2.8 and pixhawk 2.4.6/2.4.8, neo 7m gps with compass for apm 2.6/2.8 and pixhawk 2.4.6/2.4.8, panasonic alkaline 9v battery, sandisk micro sdxc ush-i 64gb class 10 memory card, basic hull model of a boat., smart flex micro magnetometer mmc5983ma, emax xa2212 980kv outrunner brushless dc motor, readytosky 35a esc 2-5s brushless esc speed controller for rc drone with led 20cm dupont wire color jumper cable 2.54mm 1p-1p female to female 40pcs 7 official raspberry pi display with capacitive touchscreen, dtof laser lidar sensor- stl27l, 360 degree omni-directional lidar, uart bus pixy2 cam advanced line following camera compatible with arduino, rc model bot ship shaft assembly propeller suitable for 2.3mm motor shaft length 10 shaft sleeve 5cm, 915mhz 100mw mini telemetry kit, rasberry pi 4 model b 8 gb ram, tripod concept k234a0, ntel real sense depth camera d435i total quantity : 1