![The standard ULN2003A darlington transistor array for the 28byj-48 stepper motor only uses 4 pins of the seven available on the ULN2003A can I use two ULN2003A to drive three stepper motors? The standard ULN2003A darlington transistor array for the 28byj-48 stepper motor only uses 4 pins of the seven available on the ULN2003A can I use two ULN2003A to drive three stepper motors?](https://preview.redd.it/the-standard-uln2003a-darlington-transistor-array-for-the-v0-p5jbw6jiu4fa1.png?width=260&format=png&auto=webp&s=f0019850c743e7cd4d26e5524e4b0022b46ec2eb)
The standard ULN2003A darlington transistor array for the 28byj-48 stepper motor only uses 4 pins of the seven available on the ULN2003A can I use two ULN2003A to drive three stepper motors?
![STMicroelectronics - ULN2003A Darlington Transistor Array, NPN, 8, 50V, DIP (10 pieces): Amazon.com: Industrial & Scientific STMicroelectronics - ULN2003A Darlington Transistor Array, NPN, 8, 50V, DIP (10 pieces): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41S1slCYC-L._AC_UF1000,1000_QL80_.jpg)
STMicroelectronics - ULN2003A Darlington Transistor Array, NPN, 8, 50V, DIP (10 pieces): Amazon.com: Industrial & Scientific
![Can I use a CA3081 NPN transistor array instead of a bunch of 2N3904 transistors to drive a bunch of MOSFETs? - Electrical Engineering Stack Exchange Can I use a CA3081 NPN transistor array instead of a bunch of 2N3904 transistors to drive a bunch of MOSFETs? - Electrical Engineering Stack Exchange](https://www.circuits-diy.com/wp-content/uploads/2021/08/CA3081-Pinout.jpg)
Can I use a CA3081 NPN transistor array instead of a bunch of 2N3904 transistors to drive a bunch of MOSFETs? - Electrical Engineering Stack Exchange
![I need to make sure I understand how the ULN2003 Darlington Array works - Project Guidance - Arduino Forum I need to make sure I understand how the ULN2003 Darlington Array works - Project Guidance - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/9/7/4/974b50ac0f00c770b84b0597db35abbcfbf330ea.gif)