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Up to 1000 meter bus length
SIM900 all pins breakout
Voltage range: 10 V to 46 V
There is also an LED on the board that will light up when the switch is activated
and supply voltage will seriously impact the effective distance)
EasyDriver (Stepper Motor Driver V4.4) Bridge Rectifier Up to 1000 meter busIntroduction : The EasyDriver is a simple to use stepper motor driver, compatible with anything that can output a digital 0 to 5V pulse (or 0 to 3. 3V pulse if you solder SJ2 closed on the EasyDriver). The EasyDriver requires a 6V to 30V supply to power the motor and can power any voltage of stepper motor. The EasyDriver has an on board voltage regulator for the digital interface that can be set to 5V or 3. 3V. Connect a 4 wire stepper motor and a
