Adafruit RFM96 breakout with 5V pro trinket

Discussion Arduino & AVR
1

Hi Everyone, first post here so thanks for listening!
I am a bit confused about the level shifting on the Adafruit RFM96 breakout. The info sheet says all pins on the breakout are level shifted, but the G0(IRQ) pin is listed as 3.3v. Also the schematic of the breakout doesn’t show a level shifter connected to this pin. Can I connect the IRQ pin diectly to an Pro Trinket 5V without any external level shifting?

Thanks

2

I think I just answered my own question! I realize now that the IRQ pin on the RFM 95 is an OUTPUT! Duhh, so will be fine with the input of a 5V trinket.

1 Like