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ULN2003 STEPPER MOTOR DRIVER
ULN2003 stepper motor driver module for 28BYJ-48 stepper motors, compatible with Arduino and Raspberry Pi.
Description
The ULN2003 Stepper Motor Driver Module is a compact and reliable driver board designed to control 28BYJ-48 and other unipolar stepper motors. Based on the ULN2003 Darlington transistor array, it provides high-current drive capability while protecting the control circuit with built-in flyback diodes. The module features LED indicators for each phase, making it easy to visualize motor operation and troubleshoot connections. It is widely used in Arduino, Raspberry Pi, and microcontroller-based projects such as robotics, automation systems, camera sliders, and educational kits.
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-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes
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