Understanding the ULN2003A Driver and Identifying Potential Issues
The ULN2003A is a versatile driver IC used to control stepper motors, relays, LEDs, and other high-current devices in electronic projects. Its popularity stems from its simplicity and ability to handle the necessary current amplification without requiring complex external components. However, as with any electronic component, the ULN2003A can sometimes malfunction due to various factors. Let’s look at the most common causes for these issues and how to identify them.