infrared News - Page 4 of 4 - CNX Software

April 20, 2017April 22, 2017 by Karl Johnson - 4 Comments

Karl’s Home Automation Project – Part 4: MQTT Bridge Updated to Use YS-IRTM IR Receiver & Transmitter with NodeMCU

In a previous article, I wrote about an MQTT bridge by 1technophile. I added a DHT temperature and humidity sensor as well as a light sensor. Previously it included a software decoder to decode the IR signal. I never did test the IR transmitter on the gateway, as I didn’t have the parts. But thanks to IC Station, who sent me over a small YS-IRTM hardware based decoder and NodeMCU that I am writing about today. I have replaced the software based version with the YS-IRTM module in the latest update. I found this project challenging. I admit I am a little weak in my programming skills. It was difficult to find documentation but I found a forum talking about this device and basics of how it works. When an IR code is recognized it sends 3 hex codes via serial connection on the transmit pin. To transmit, it expects […]

March 12, 2017March 23, 2017 by Jean-Luc Aufranc (CNXSoft) - 22 Comments

How to Control Your Air Conditioner with Raspberry Pi Board and ANAVI Infrared pHAT

Leon ANAVI may be a full-time software engineer, but in his spare time he has started to develop open source hardware project with the help of others and by himself. Last year, I got hold of his RabbitMax Flex HAT for Raspberry Pi, and tested it with the provided LCD display, one temperature sensor, and a Raspberry Pi 2 board. The board also featured IR receiver & transmitter, and I tried to use it with my aircon remote control, but at the time I did not find a way to do it easily, and control my TV with LIRC instead. Leon has now made a simpler, smaller, and cheaper add-on board for Raspberry Pi Zero, and other Raspberry Pi boards with a 40-pin header, with 3x I2C headers, two IR transmitters, and one IR receiver. He sent me a sample of “ANAVI Infrared pHAT”, and after quickly describing the board, […]

November 25, 2016 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

Sevenhugs Smart Remote is a Universal Direction Aware WiFi, Bluetooth and IR Remote Control (Crowdfunding)

You may have all sort of remote control devices around your home from the traditional IR remote control for your TV, air conditioner, audio system etc.., as well remote control apps for WiFi or Bluetooth objects such as smart light bulbs or water pumps running on your smartphone. Sevenhugs Smart Remote promises to replace them all, and all you have to do is to point the remote control to your devices, or setup virtual actions to your door or window to order a Uber drive or check the weather. Sevenhugs Smart Remote specifications: MCU – ARM Cortex-M4 @ 200 MHz System Memory – 32 MB RAM LCD – 3.43″ touch screen IPS display; Dragontrail damage ans scratch resistant cover glass, anti-fingerprint & anti-glare Wireless Connectivity – IR transceiver, 802.11 b/g/n WiFi and Bluetooth 4.1 LE connectivity USB – USB C port for charging Sensors – Indoor positioning sensor, accelerometer, gyroscope, […]

June 28, 2016March 8, 2023 by Jean-Luc Aufranc (CNXSoft) - 24 Comments

Broadlink RM Mini 3 is a $10 WiFi IR Blaster for Home Automation

Many electrical appliances such as TVs, air conditioners, heaters, and so on are still controlled using an infrared remote control, but as more and more people are getting used to their smartphone to control pretty much everything, devices such as Xiaomi Mi Smart Remote Center that allows to control IR appliances with ANdroid or iOS mobile are starting to come to market. However during my Smart Remote Center review, I noticed that the app was only available in Chinese, and that it was not quite able to perform all the tasks I wanted (e.g. multiple IR codes programming). There’s now a cheaper and small device available in the form of Broadlink RM Mini 3 “Black Bean” that sells for just $9.88 including shipping, and whose app supports not only Chinese, but also English, Russian, Japanese, and other languages. Broadlink RM mini 3 specifications: WiFi – 802.11 b/g/n @ 2.4 GHz […]

October 7, 2015 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Xiaomi Mi Smart Remote Center Review

Xiaomi Mi Smart Remote Center is a tiny box with WiFi connectivity and IR transmitters that is used to control infrared enabled devices such as TVs, medai players, air conditioners and more with your Android smartphone. The good thing is that it only costs $20, so I asked GearBest to send a sample to check it out, which they did. I’ll start this review by checking out the hardware, before running MiHome app to control a television and air conditioner. Xiaomi Mi Smart Remote Center Unboxing and Teardown The package is just a cardboard box with Mi logo. Once you open the page there’s a sticker with the QR core redirecting to MiHome app. You can peel it off, and take the box out of the package, where you’ll also find a USB to micro USB cable for power, and a user’s manual in Chinese only. To open the device […]

September 28, 2015October 6, 2022 by Jean-Luc Aufranc (CNXSoft) - 13 Comments

$20 Xiaomi Mi Smart Remote Center Controls Infrared Home Appliances via Your Smartphone

Home automation used to be costly and complex to install, and some solutions are still that way, but several devices have dramatically brought the cost down and simplicity up including Orvibo Wiwo S20 WiFi smart socket, now selling for $16, Semlamp SL-011 – an $8 audio controlled relay -, or smart light bulbs like Yeelight. All three items have the advantage of being plug-and-plug, inexpensive, and controlled wirelessly using your iOS and Android smartphone. There are also been some WiFi, IR and RF gateways on the market, such as Broadlink RM2 / Pro, that can control devices such as smart socker, air conditioner, TV, and items using the 315/433MHz band. If you only want to control IR (and WiFi?) devices, and don’t need to control RF devices, Xiaomi Mi Smart Remote Center sells for half the price for Broadlink Pro for just $19.99 on GearBest. Xiaomi Mi Smart Remote complete […]