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Remoteduino Nano

Tiny DIY programmable IR remote that's based off the arduino uno (backwards compatible with my orginal Remoteduino project)!

sjm4306sjm4306
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  • sjm4306sjm4306
  • dtsombolovD.Tsombolov
  • laurin-cavenderLaurin Cavender

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arduino ATMEGA infrared ir remote programmable diy

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This project was created on 06/13/2023 and last updated 6 months ago.

Description

Basically a more refined version 2 of my original Remoteduino project, which was an arduino compatible programmable IR remote. The nano is even smaller and adds an onboard IR receiver to allow programming buttons on the fly from other remotes (software is still a work in progress on that front, but hard coded remote commands currently work). Room for 5mm 950nm IR led. Runs off a single CR2032 and while not in use the atmega328p sleeps. Hard power switch in case you want to store the remote for longer periods without draining the battery. Onboard pogo pads for icsp and serial programming. Oh yeah and I added a cute little keyring hole just because ...

Files

IRnano_test.ino

Test firmware, not final!

ino - 3.26 kB - 06/13/2023 at 13:16

Download

remoteduino nano.sch

Eagle Schematic

sch - 668.65 kB - 06/13/2023 at 13:15

Download

remoteduino nano_2022-04-04.zip

PCB Gerbers

x-zip-compressed - 175.15 kB - 06/13/2023 at 13:15

Download

remoteduino nano.brd

Eagle PCB

brd - 111.15 kB - 06/13/2023 at 13:15

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  • Video Demo

    sjm4306 • 06/13/2023 at 13:17 • 0 comments

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richteel wrote 06/19/2023 at 12:30 • point

I had built a similar remote many years ago for my mother-in-law so she could press a button and send commands to several devices at a time. It worked well but I see you opted to do the same thing by having a power switch to turn the remote on and off. One of the things that I've thought would have made the project better is if it was like a true remote and did not need to be powered off to allow the battery to last a long time. It looks like you did some things to make it lower power but I assume the CR2032 battery would only last a couple of days, if that, without being switched off.

I was also looking into creating a Roku remote replacement so you can actually key in the channel you want to watch rather than using the up/down channel buttons but it appears that Roku does not have IR codes to actually input a channel directly. This is a source of frustration with folks who watch over the air TV with their Roku TVs.

  Are you sure? yes | no

sjm4306 wrote 06/19/2023 at 12:49 • point

Measuring the current draw in standby to be in the range of ~30uA, I calculated the battery should last at least a year with the power switched on. I've still got some peripherals turned on though so it's not the lowest power state it could achieve (iirc the atmega328p can go down to something like 4uA). I really only added the switch for even longer term storage or just to prevent it from wasting power while in the pocket if a button is accidentally pressed.

  Are you sure? yes | no

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