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This programmable coin acceptor makes it easy to monetize your next project
WCDMA data rate 57
Sensor Shield allows you to connect to various modules like sensors
Mechanical
Files are read off of a FAT16/FAT32-formatted SD/MMC card
L297 Stepper Motor Controller IC potentiom This programmable coin acceptor makesThe L297 integrates all the control circuitry required to control bipolar and unipolar stepper motors. Used with a dual bridge driver such as the L298N forms a complete microprocessor to bipolar stepper motor interface. For example The L297, takes the signals from your microprocessor and translates them into stepping signals to send to the L298 which actually drives your stepper motor. The L298 is capable of driving up to 2A per coil. One interesting
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