Designator	Component	Number	Cost per unit -currency	Total cost-currency	Source of materials	Material type
Camera	SoCoo C30 1080P 12MP Waterproof Sports Camera with 1350 mAh battery (or similar)	1	$19.99-$40.00 USD	$25.99 USD	Amazon	Other
Camera housing	Suptig Replacement Waterproof Case Protective Housing for GoPro Hero4	1	$16.99 USD	$16.99 USD	Amazon	Other
Camera housing “extended backdoor”	Suptig Replacement BacPac Backdoor for GoPro Hero4	1	$8.99 USD	$8.99 USD	Amazon	Other
Camera lens protector	Tempered Glass Screen Protector for Gopro Hero4 Session, 0.3 mm 9H Hardness	1	$2.33 USD	$2.33 USD	Amazon	Other
Memory card	SanDisk Ultra 32 GB microSDHC UHS-I card	1	$7.39 USD	$7.39 USD	Amazon	Other
Arduino microcontroller	Arduino Pro Mini 3.3 V 8 MHz	1	$2.50 USD	$2.50 USD	EBay, Amazon, Adafruit	Other
FTDI programmer for Arduino	FT232RL FTDI Mini USB to TTL Serial Converter Adapter Module 3.3 V 5.5 V	1	$5.99 USD	$5.99 USD	Ebay, Amazon, Adafruit	Other
USB to miniUSB cable	AmazonBasics USB 2.0 Cable – A-Male to Mini-B – 3 Feet (0.9 m)	1	$4.80 USD	$4.80 USD	Amazon	Other
Transistor	BC547 NPN transistor 45 V 0.1A	2	$0.06 USD	$0.12 USD	EBay, Amazon, Adafruit, DigiKey	Other
Resistor	4.7 k ohm ceramic resistor 1/4 W	2	$0.06 USD	$0.12 USD	EBay, Amazon, Adafruit, DigiKey	Ceramic
Lithium polymer battery	3.7 V 500 mAh 802,540 single-cell lithium polymer battery	1	$1.60 USD	$1.60 USD	EBay, Amazon, Adafruit	Other
Ribbon cable (approximately 1 m)	5 pin/conductor ribbon cable, multiple colors	1	$0.60	$0.60	EBay, Amazon, Adafruit	Other
Optional CoralCam PCB	Custom printed circuit board for CoralCam	0–1	$1.00 USD	$1.00 USD	OSHpark, JLCPCB, or other PCB printing facility	Other
Micro JST pH 1.25 2 pin connectors (one male with wire, one female without wire)	Micro JST pH 1.25 2 PIN male female plug connector with wire cables 100 mm	1	$0.20 USD	$0.20 USD	EBay, Amazon, Adafruit	Other