Supply Of Controller Cards , Grippers , Sensors , Cables , Connectors And Other Peripherals , Supply Of Controller Cards Grippers Sensors Cables Etc . , 32 Bit Flight Controller ( Pixhawk Or Similar ) , Raspberry Pi 3 : Model -B Or Similar , Subsea Gripper , Neutrally Buoyant Tether With End Connectors , Length 50 M , 64 Gb Class 10 Microsdxc Card Adapter , Low Light Usb Hd Camera , Bldc Speed Controller ( Esc ) , Altimeter-Cum-Echosounder , Depth / Pressure Sensor , Penetrator Wrench , Fathom-X Interface Box Or Similar , Battery Cell Checker , Battery Cable , Power Cable , Length: 2M , Cable Thimble , Usb-A To Micro Usb , Angled , Usb-A To Micro Usb Straight , Fathom-X Tether Interface Board Set Or Similar , Usb To Rs485 Converter , Buoyancy Foam , Joystick Module , Metal Gear Micro Servo ( Make: Hi-Tech Or Similar Model: Hs-85Mg Or Equivalent ) , Marine Epoxy , Silicon Grease , Buck Converter , Analog Joystick , Arduino Leonardo Or Similar , Lm1117 3 . 3 Regulator , Hc-05 Bluetooth Module Or Similar , Nrf24l01 With Antenna Or Similar , Nrf24l01 With Low Power Version Or Similar , Tp 4056-Based Li-Po Charger , Bi-Directional Logic Level Converter , I2c Logic Converter , Dc-Dc Booster 5V , Dc Step Down Converter , Stm32f103c8t6 Microcontroller , Usb To Ttl Serial Adapter , Mini Usb Cable , 128 X 64 Oled Screen