I'm using a spark fun temp sensor(TMP117) and when I hook it up directly to my Arduino Due it works fine but when I use an alternate power source the code freezes when booting up. I have a separate 3.3V power supply that I connect to the TMP117 sensor with the Pwr and Gnd and then connect the SDA t…

Temp sensor and Alternate power source

anon35827816 August 30, 2021, 5:45am 6

That suggests @Koepel's post is worth looking into, wouldn't you say?

Topic		Replies	Views
Due I2C not working Due	36	54485	May 6, 2021
(Very first build) Temp sensor going crazy Troubleshooting	25	8870	May 6, 2021
Arduino Due I2C funktioniert nicht Deutsch	17	9118	May 6, 2021
Thermocontroller TMP102 Syntax Interfacing	15	8087	May 6, 2021
Reading the temperature sensor inside Arduino Due Due	14	11417	May 6, 2021