For driving inductive loads (eg Relays or Solenoids) up to say 50mA those internal protection diodes are just fine. I use the ULN2003, 2004 and 2803 extensively without problems.
For driving inductive loads (eg Relays or Solenoids) up to say 50mA those internal protection diodes are just fine. I use the ULN2003, 2004 and 2803 extensively without problems.
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