This is the SMD version of our popular 7 channel high current driver based on the ULN2003. The driver takes a 5V TTL signal from your Arduino, Raspberry Pi, Beagle Bone, etc and drives higher current devices up to 50 VDC
This is the waterproof inspection LT2 Robot. It has flipper arms to help it climb obstacles and for better maneuverability. It is capable of wireless or tethered control. The tethered option includes a fiber-optic cable spool up to 1km long.