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Robotic arms
it causes the rotor to rotate
high reliability
with an operating voltage range of 3V-6V
It offers the same capabilities as the standard camera module
Four CHANNEL 12V ULN2003 BASED RELAY BOARD MODULE ultrasonic Robotic arms4 Channel 12V ULN2003 based Relay Board Relay board module is used for controlling higher current loads from your microcontroller development board, PC parallel port or Arduino Uno. This board has four (4) on board relay which can switch up to 7Amps. Relays terminals (C, NC, NO) are accessible through screw terminals which makes wiring up the board very easy. The relay is safely driven by ULN2003 IC hence your input device, such as Arduino, is