Carrier frequency Archives - AnalysIR Blog https://www.analysir.com/blog/tag/carrier-frequency/ All about infrared remote control, IR decoding and more Thu, 12 Apr 2018 21:16:19 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 59717642 Updated ESP8266 NodeMCU Backdoor uPWM Hack for IR signals https://www.analysir.com/blog/2017/01/29/updated-esp8266-nodemcu-backdoor-upwm-hack-for-ir-signals/ https://www.analysir.com/blog/2017/01/29/updated-esp8266-nodemcu-backdoor-upwm-hack-for-ir-signals/#respond Sun, 29 Jan 2017 21:27:50 +0000 https://www.analysir.com/blog/?p=3038 In our previous post we showed how to generate stable IR carrier signals using the ESP8266 NodeMCU module. A feature of the original approach was that the output IR signal was inverted and required some additional circuitry to invert it again before transmission. Since the original post we have figured out a method to output … Continue reading Updated ESP8266 NodeMCU Backdoor uPWM Hack for IR signals →

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]]> https://www.analysir.com/blog/2017/01/29/updated-esp8266-nodemcu-backdoor-upwm-hack-for-ir-signals/feed/ 0 3038 ESP8266 NodeMCU Backdoor uPWM Hack for IR signals https://www.analysir.com/blog/2016/07/06/esp8266-nodemcu-backdoor-upwm-hack-ir-signals-using-uart/ https://www.analysir.com/blog/2016/07/06/esp8266-nodemcu-backdoor-upwm-hack-ir-signals-using-uart/#respond Tue, 05 Jul 2016 23:53:35 +0000 https://www.analysir.com/blog/?p=2560 We received our ESP8266 NodeMCU several months ago it has been difficult to find a working example of Hardware PWM to generate crisp Infrared carrier signals. Most posts we have read suggest that there is no PWM readily available on any of the supported platforms. As we have already shown with Arduinos and the Particle … Continue reading ESP8266 NodeMCU Backdoor uPWM Hack for IR signals →

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]]> https://www.analysir.com/blog/2016/07/06/esp8266-nodemcu-backdoor-upwm-hack-ir-signals-using-uart/feed/ 0 2560 Sending long AC Signals from Flash with IRremote https://www.analysir.com/blog/2016/04/11/sending-long-ac-signals-flash-irremote/ https://www.analysir.com/blog/2016/04/11/sending-long-ac-signals-flash-irremote/#respond Mon, 11 Apr 2016 22:33:03 +0000 https://www.analysir.com/blog/?p=2304 One of the most popular projects involving Infrared remote control, is to use an Arduino to control an Air conditioner (AC) system. However, AC signals are usually very long and take up a lot of SRAM on a standard Arduino. Experienced users will go about reverse engineering the AC protocol to make the sketch fit … Continue reading Sending long AC Signals from Flash with IRremote →

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]]> https://www.analysir.com/blog/2016/04/11/sending-long-ac-signals-flash-irremote/feed/ 0 2304 ESP8266 NodeMCU Infrared decoding added to AnalysIR https://www.analysir.com/blog/2016/01/14/esp8266-nodemcu-infrared-decoding-added-to-analysir/ https://www.analysir.com/blog/2016/01/14/esp8266-nodemcu-infrared-decoding-added-to-analysir/#respond Thu, 14 Jan 2016 22:45:39 +0000 http://www.analysir.com/blog/?p=1996 A few months ago a new user to AnalysIR, from Canada, asked us to assist in adding ESP8266 NodeMCU Infrared decoding over WiFi into  AnalysIR. We set about making some upgrades to AnalysIR for this and in double quick time he had AnalysIR accepting IR signals from the ESP8266 over WiFi. He stressed the ease … Continue reading ESP8266 NodeMCU Infrared decoding added to AnalysIR →

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]]> https://www.analysir.com/blog/2016/01/14/esp8266-nodemcu-infrared-decoding-added-to-analysir/feed/ 0 1996 Backdoor uPWM Hack on Arduino for Infrared signals using UART https://www.analysir.com/blog/2015/10/12/backdoor-upwm-hack-on-arduino-for-infrared-signals-using-uart/ https://www.analysir.com/blog/2015/10/12/backdoor-upwm-hack-on-arduino-for-infrared-signals-using-uart/#respond Sun, 11 Oct 2015 23:02:33 +0000 http://www.analysir.com/blog/?p=1682 In this blog post we follow up on our recent article about generation of infrared PWM from the Photon’s UART where we suggested that it may be possible to achieve something similar with the Arduino. In our previous attempt the Arduino was only able to generate PWM at 40 kHz and 33 kHz using the … Continue reading Backdoor uPWM Hack on Arduino for Infrared signals using UART →

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]]> https://www.analysir.com/blog/2015/10/12/backdoor-upwm-hack-on-arduino-for-infrared-signals-using-uart/feed/ 0 1682 Backdoor uPWM Hack on Photon for Infrared signals using UART https://www.analysir.com/blog/2015/10/02/backdoor-upwm-hack-on-photon-for-infrared-signals-using-uart/ https://www.analysir.com/blog/2015/10/02/backdoor-upwm-hack-on-photon-for-infrared-signals-using-uart/#respond Thu, 01 Oct 2015 23:36:43 +0000 http://www.analysir.com/blog/?p=1638 Since we received our Photon several months ago it has been difficult to find a working example of Hardware PWM on the Photon. Initially, we ported our softPWM approach to the Photon, which is excellent. However, we figured it must be possible to use at least one of the spare UARTs on the Photon to … Continue reading Backdoor uPWM Hack on Photon for Infrared signals using UART →

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]]> https://www.analysir.com/blog/2015/10/02/backdoor-upwm-hack-on-photon-for-infrared-signals-using-uart/feed/ 0 1638 Preview: BeamIR the Infrared Light Barrier https://www.analysir.com/blog/2015/09/23/beamir-the-infrared-light-barrier/ https://www.analysir.com/blog/2015/09/23/beamir-the-infrared-light-barrier/#respond Wed, 23 Sep 2015 22:06:34 +0000 http://www.analysir.com/blog/?p=1603 The sixth and last member of our first  MakeIR series of devices & kits is BeamIR the Infrared Light Barrier. This pair of modules is based on an Infrared Light Barrier system with a range of additional applications. In addition to Light Barriers, BeamIR can also be used to deliver solutions involving Security projects, Lap … Continue reading Preview: BeamIR the Infrared Light Barrier →

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]]> https://www.analysir.com/blog/2015/09/23/beamir-the-infrared-light-barrier/feed/ 0 1603 Simple Infrared PWM on Arduino, Part 3 – Hex IR Signals https://www.analysir.com/blog/2015/09/01/simple-infrared-pwm-on-arduino-part-3-hex-ir-signals/ https://www.analysir.com/blog/2015/09/01/simple-infrared-pwm-on-arduino-part-3-hex-ir-signals/#respond Tue, 01 Sep 2015 20:03:12 +0000 http://www.analysir.com/blog/?p=1515 In Part 1 of this series, we demonstrated how to send signals using soft or Simple Infrared PWM on Arduino. In our Part 2 post we looked at sending RAW IR signals – specifically a RAW NEC signal and a longer RAW Mitsubishi Air Conditioner signal using soft PWM. We have since improved the PWM … Continue reading Simple Infrared PWM on Arduino, Part 3 – Hex IR Signals →

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]]> https://www.analysir.com/blog/2015/09/01/simple-infrared-pwm-on-arduino-part-3-hex-ir-signals/feed/ 0 1515 Simple Infrared PWM on Arduino https://www.analysir.com/blog/2015/05/12/simple-infrared-pwm-on-arduino/ https://www.analysir.com/blog/2015/05/12/simple-infrared-pwm-on-arduino/#comments Mon, 11 May 2015 23:14:32 +0000 http://www.analysir.com/blog/?p=1226 We are often asked on discussion boards, about conflicts between IRremote or IRLib and other Arduino Libraries. In this post, we present a sketch for ‘Simple Infrared PWM on Arduino’. This is the first part in a 3 part series of posts. Part 1 shows how to generate the Simple Infrared PWM on Arduino (AKA … Continue reading Simple Infrared PWM on Arduino →

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]]> https://www.analysir.com/blog/2015/05/12/simple-infrared-pwm-on-arduino/feed/ 2 1226 Poor maker’s Infrared receiver #2 https://www.analysir.com/blog/2014/05/28/poor-makers-infrared-receiver-2/ https://www.analysir.com/blog/2014/05/28/poor-makers-infrared-receiver-2/#comments Wed, 28 May 2014 13:43:13 +0000 http://www.analysir.com/blog/?p=590 Our recent post about the silver bullet IR receiver proved very popular and we promised that we would follow-up with another variant of the poor maker’s Infrared receiver. This time we are using an IR Led (emitter), 2 resistors and any standard Arduino. You will also need to download the Arduino code provided below, compile … Continue reading Poor maker’s Infrared receiver #2 →

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