FAQ | What is the WT pin on the QIO-FLEX4A used for?
Learn the purpose of the WT pin on the QIO-FLEX4A and how it is used in this FAQ guide.
Answer
The Witness Timer (WT) pin provides 5.5V DC @ 70mA max and acts as a replacement to legacy I/O-22 and I/O-11 applications. It is not recommended for general use cases.
Caution
The WT pin should NOT be used to power additional GPIO or other sensors as it may cause damage to the devices and void warranties.