pictographer
Senior Member

If I recall correctly, I connected a Teensy 3.2 to a GPS using USB-Serial using no other hardware than a cable. It's possible I wired the GPS to hardware TX and RX pins of the Teensy, but I don't think so. I'd be...

Wow. Congrats on getting it working! I'm sure I'm not the only one who is curious about what marvelous gadget will you put this in and what will it do?

Would a Teensy 4.0 spare you a heap of trouble?

Summing up, I thought it would be easy to add an IR remote to a wireless keyboard. A Teensy LC, an IR LED, and the IRRemote library work beautifully, but with only two AA batteries in parallel, the low power design...

Wondering how to do the investigation/measurement with what I have... I've got an external USB battery that powers the Teensy + LED well enough to work at the intended range and a multimeter. I could use the...

4.7MFD is literally what's printed on the cardboard the capacitor came in. Looking closer at the capacitor itself, it's 4.7µF. Thanks again, MarkT.

The boost converter gets the Teensy LC to work and it can flash its builtin LED. Alas, the 3mm IR LED doesn't seem to illuminate. With a big USB battery, it worked fine. IR remote controls flash many brief pulses to...

I ordered some boost converter modules. We'll see how it goes.

MarkT, thanks for the insights. The IR LED I'm using didn't come with a datasheet. Not sure how to measure my working prototype. I've got a cheap hand held multimeter, an inline USB tester, a bunch of Teensys, and...