Hi all, I’ve connected a VL53L5CS-SATEL ToF sensor to the MKR NB 1500 via the SDA and SCL lines, and everything works fine when powered and programmed via USB. However, if I first unplug the USB and then power the board with a battery, the MKR NB 1500 fails to boot. After troubleshooting, I found …

[image] juanoboy: but now for battery power the EVK_IOVDD I think only must be used. No, you still need AVDD so that is probably the problem.

MKR-1500 won't Boot with Sensor connected to SDA

jim-p March 2, 2025, 12:04pm 10

What about EVK_AVDD?

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