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by nickdaria
Wed Feb 21, 2024 5:22 pm
Forum: ESP32 Arduino
Topic: Arduino interrupts not working correctly when CAN/TWAI bus is not connected
Replies: 0
Views: 389

Arduino interrupts not working correctly when CAN/TWAI bus is not connected

Hey all. I started encountering a bizarre issue recently. I am using Yet Another Weigand Library to communicate with a keypad. It works fine on my ESP32S3-WROOM-1 based system. However, when a CAN frame is sent while no other devices are on the bus, it causes the Weigand interrupt timing to be off a...