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Your cart is empty.4.2 out of 5 stars
- #25,286 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #1 in Sensor Blocks
Transmitter module specifications:
Supply voltage: 5V
Signal type: digital signal
Infrared center wave length: about 850nm-940nm
Infrared emission distance: about 1.3 meters (5V 38Khz)
Infrared emission angle: about 20 degrees
Working environment: -25 ~ + 85 ℃
Storage temperature: -30 ~ + 100 ℃
Modulation: direct transmission without modulation
Wavelength: 940nm
There are 2 fixing holes for easy installation. Aperture: 3mm
IR Receiver module specifications:
Working voltage: 5V
Output form: digital output
With data indicator
There are 2 fixing holes for easy installation. Aperture: 3mm
Wiring Instructions:
DAT: digital output interface
VCC: 5V DC power supply positive
GND: 5V DC power supply negative
Package Included:
4 X Infrared transmitter module
4 X Infrared receiver module
FTWluke
Reviewed in the United States on February 20, 2025
These ir modules are great, I like the led indicator, displays it codes being revived and sent, these will be very useful for my iot projects!
Tyler
Reviewed in the United States on May 20, 2024
These are good, cheap IR boards. As other reviewers have noted, the VCC lead on the transmitter isn't actually connected to anything; it's just part of the pin header. The transmitter is just an IR LED and a resistor; the DATA pin is really the + line, so if you send it current there, it turns on. You simply bit-bang on that pin to send pulses. If you're using something like a Raspberry Pi, you won't get great range, because all of the GPIO pins are 3.3 volts. I'm using it to control an A/V receiver and have the LED right next to the panel, so it works great. If you need more range, though, you'll want to hook it up to the 5v rail via a transistor and probably also surround it with an IR reflector (as-packaged, it's an omnidirectional LED).The IR receiver works just like you'd expect, and obviously it _does_ need power, so all three pins are needed: data, vcc (5 volt, although might work with 3.3; I didn't test that), and ground. I believe data is pulled high and drops to ground when a signal is received.If you're using a Raspberry Pi with a reasonably current OS, you don't need to download any drivers; much of what you see online is old. Add the appropriate lines ("dtoverlay=gpio-ir,gpio_pin=" and "dtoverlay=gpio-ir-tx,gpio_pin=") to /boot/config.txt (or /boot/firmware/config.txt if running Debian 12). Note that, if you are going to both send AND receive (i.e. you have both lines in the config file and you've hooked up both boards), you'll need to specify which device to use (--device=) in the ir-ctl command: one will be /dev/lirc0 and the other will be /dev/lirc1; this is why some of the reviewers couldn't do both at the same time.Simply use the 'ir-ctl' command to send and receive pulses. ir-ctl can read to and write from a file, so to train it, just set it to write to a file, and then you can play those exact commands back by reading from the same.
Anoinimouse
Reviewed in the United States on November 13, 2022
The receiver works fine, but the transmitter has no range. I got mine to work by taping it to the projector I was attempting to control.The LEDs on the transmitters also came mangled and bent in all directions from the factory. It was obvious that this wasn't a shipping issue because if they were pointing properly when packaged, then they would have been protected in the nook of the circuit board.Other reviews have pointed out that the 5V VCC pin on the transmitter isn't connected and the DATA line is actually what powers the indicator LED and the output LED. This is not good and means that standard microcontrollers will not be able to deliver it enough mA to get any decent range.Also, for some reason the indicator LEDs on the transmitters I received were not all the same color. Some red, some blue. It's not a problem -- it just seemed odd.
/Dev/Null
Reviewed in the United States on October 24, 2022
Got a bit concerned with the reviews about near zero range on the xmit. I have 6-7 feet (2-2.3M) powered directly from a NodeMCU (ESP8266). It might go further, not sure, that is where my dev desk is in relation to the end point.
Solomon S.
Reviewed in the United States on April 18, 2022
VCC pin isn't even connected to anything, only ground and signal are connected.
CustomerMN
Reviewed in the United States on October 6, 2021
I use these on a Raspberry Pi Zero W for a very specific purpose: to monitor if kodi is playing and when it stops playing, turns the TV off (because I have a tendency to fall asleep). My TV doesn't support the power off signal via HDMI, so I had to make something work the old IR way. I did struggle a bit getting it setup, but in the end, I got it.I hooked up the transmitter to 5v and receiver to 3v and used GPIO pins for signal. I couldn't use both receiver and transmitter at the same time, the pi only wants one or the other enabled in /boot/config.txt, but for my purposes that was fine. I loaded the receiver to record the IR signal, then once I had it, I disabled it and enabled the transmitter to send that signal. Good thing to know here: the pin #s it wants are the GPIO numbers, NOT the pin numbers. Once I got that sorted I was good.I can't speak to how well it does with distance, since I have the pi stashed behind the TV and the transmitter sticking out just far enough for the TV to be able to pick it up. Overall I'm happy, the price was good and it works for my need.
Michael W. Nebab
Reviewed in the United States on April 24, 2021
NEW REVIEW, 4/27/21:I'd like to apologize to Dorhea; my initial problem stemmed not from faulty units, but rather misinformation from everywhere else. The reason my units weren't transmitting was because I'd been connecting the signal wire, per literally everyone's instructions, to the wrong pin on my microcontrollers. Once I discovered the proper pin, I retried these transmitters, and they finally not only worked, but performed better than I'd thought they would, with more range than I'd expected. I now fully endorse these products, I fully recommend them, and I hope I haven't turned away too much business.FIRST REVIEW:When you apply these to rebuilds of examples from the handful of tutorials available for this module, no matter how faithfully I've followed said tutorials, these modules just don't work. It's like they can't even power up. What's worse is "DORHEA" is inaccessible for support. I should've known given the lack of reviews or questions. If you're reading this, try a different company, for instance, the equivalent models from Gikfun. In fact, I just bought their IR transmitters. You'll probably have better luck with them.
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