Search found 5 matches

by DataDigger
Sat Feb 02, 2019 5:12 am
Forum: General Discussion
Topic: How to wire for IrDA ?
Replies: 9
Views: 3429

Re: How to wire for IrDA ?

Hello Q I guess yes, because I also didn't find anything else. There is no Library, it's all in Hardware. A Hardware UART that can switch into IrDA Mode by activate the Bit's in the Register. Got it to work from 5mm up to 3 m with 3.3 Volt and up to 4 m with 5 Volt on the TFDU4101. Hope that helps. DD
by DataDigger
Sun Sep 02, 2018 7:07 pm
Forum: General Discussion
Topic: How to wire for IrDA ?
Replies: 9
Views: 3429

Re: How to wire for IrDA ?

Hello Bob, I tried it first without any IrDA Code, just a wired serial connection with 5V TTL Levels. (Cross Rx->Tx and vice versa) As that worked, I set it up with a normal LED to see if there is some activity, then I checked it with an Oscilloscope. Then I set up the IR-LED with R1 = 100 Ohm and R...
by DataDigger
Tue Mar 20, 2018 10:26 pm
Forum: General Discussion
Topic: How to wire for IrDA ?
Replies: 9
Views: 3429

Re: How to wire for IrDA ?

Infrared has two complete different Modes: IrDA for Datatransfer in both directions and TV Remotes, one-way with a modulation of 35 or 38 kHz. For the TV Remote, just switch the IR-LED on and off that it build the 38 kHz Packet (use delays or a PWM Output). Use an Oscilloscope (borrow one or ask you...
by DataDigger
Sat Nov 04, 2017 11:54 pm
Forum: General Discussion
Topic: How to wire for IrDA ?
Replies: 9
Views: 3429

Re: How to wire for IrDA ?

Yes! I figured it out, it's working with just a few additional parts and only 2 Bits to set. I have a "WEMOS LOLIN32" Board, others are similar but Pin numbers may vary. For "send only" with Arduino IDE: //HardwareSerial Serial1(1); HardwareSerial Serial2(2); // GPIO 17: TXD U2 + GPIO 16: RXD U2 voi...
by DataDigger
Sun Aug 20, 2017 2:33 am
Forum: General Discussion
Topic: How to wire for IrDA ?
Replies: 9
Views: 3429

How to wire for IrDA ?

The awesome ESP32 has IrDA support, but how to wire it ? (I can't find any Docs nor further Information about that) Does it need an "Infrared Encoder/Decoder" (like an MCP2120 with additional Crystal) and a "Infrared Transceiver Module" ? Or can the ESP32 directly generate the IRTX and decode the IR...

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