A hack for Hacks using AnalysIR. Guido, was tasked with upgrading an old in-house WRC system to allow the team of Sport's Journalists to access the rack
One of our users from Italy, Guido, was tasked with upgrading an old in-house WRC system to allow the team of Sport’s Journalists to access the rack of satellite receivers relaying the various sports events around the building. The challenge is that all of the STB (Set Top Boxes) are located in a dedicated room away from the Journalist’s desks and it is impractical for them to manually change the stations when working to tight deadlines. Previously there was a system in place to remotely switch feeds, but Guido needed to upgrade the system to handle the ever growing number of devices and Infrared protocols. Luckily, he found AnalysIR during his research to implement ‘a hack for Hacks using AnalysIR‘.
Hackable OCXO Frequency Standard with High Stability VFC - for counter upgrades, frequency standard or timer projects
This is an OCXO 10MHz Frequency Standard module with high stability VFC. There are 4 options available:
Option A - Complete unit, with OCXO calibrated against our Rubidium standard (note 1) Option B - Populated PCB, without OCXO – purchaser supplies & installs own OCXO Option C - PCB and components - unpopulated Option D - Bare PCB only - no components
This frequency standard is intended for hobbyists who need a 10 MHz reference to calibrate their existing counters, act as an internal/external reference for their counters or want to create another reference by ‘hacking’ this unit further. It is not intended for dedicated ‘time-nuts’, who will have much superior standards available to them.
Simple Infrared PWM on Arduino shows how to send IR signals including AC signals using soft PWM.
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 method shown in Part 1 & Part 2 to provide better performance and improve portability. In this Part 3, we will take the signals from Part 2 and show how to send them using their binary (or Hex) representation, which can save lots of SRAM in many projects, particularly when dealing with longer AC signals.
Dublin, Ireland – 27th August 2015. We are happy to announce the latest release of AnalysIR V1 preview #3 is now available for download by our backers & supporters. Existing users of AnalysIR will receive an email with instructions on how to download this version. New users will receive the details as part of the … Continue reading Latest release of AnalysIR V1 preview #3 is now available for download →
Impressive list of new feaures & 75+ Infrared Protocols....
...time is running out to get the special pricing!
We have just finished porting our (single source) firmware from a range of other ‘Arduino’ type platforms to Particle’s Photon, having received it yesterday & thought it would be useful sharing some of our experiences for other ‘newbies’. The photon is one of a breed of modern IoT devices hitting the market at relatively low … Continue reading Porting AnalysIR firmware to Particle’s Photon platform →
This matchbox sized devices promises a lot for IoT!
Two of our users in France collaborated to reverse engineer one of the more challenging Panasonic AC Infrared protocols using AnalysIR.
Not only did they identify the codes & checksum but also provided some impressive documentation and full source code to help others. Detailed information is available via GitHub which is linked below. This 216 data bit Panasonic AC Infrared protocol is composed of two consecutive frames. The first frame remains constant for every command sent to the AC unit. In common with most AC units the complete configuration is sent with every IR signal (temperature, fan, swing etc…). AnalysIR was used to record and turn the signal into HEX/Binary format from which the reverse engineering of the individual fields was tackled.
Batch Infrared Decoding can speed up signal decoding for imported data sets or when changing decoding tolerances. Currently, AnalysIR supports over 40 Infrared Protocols, but you can analyse 99.99% of protocols with AnalysIR.
Having already replaced standalone cameras for many people, the smartphone also has the humble remote control in its sights. MightyRC is the latest in a line of products looking to reduce remote control clutter in the environment where they have multiplied the most over the years – the living room. It allows all appliances compatible with infrared remotes to be controlled via a single app on a smartphone or tablet.
The MightyRC system is made up of a box measuring 80 x 80 x 18 mm (3.1 x 3.1 x 0.7 in) and a companion smartphone app. Commands are entered in the app and transmitted to the box over Bluetooth 4.0, provided the smartphone is within 100 ft (30 m) range. The box then relays these commands to the various appliances using an infrared transmitter. The company claims the IR transmitter is good to a range of around 6 m (20 ft), and is so powerful that appliances won't necessarily need to be in the box's line of sight – although don't go expecting the infrared beams to travel through walls. The device also has an infrared receiver, which allows it to learn from existing remotes.
Naming each of your devices in the app will allow the MightyRC to differentiate between the them. Further to channeling the controls of these different appliances into the one interface, MightyRC also features a nifty "Activation" function. This feature allows users to program a one-touch control to activate preset functions across different devices. So you could, in theory, setup an activation called "King of Westeros" allowing you to switch on your television, switch the cable box to the correct channel, and turn on the surround sound system with just one click in time for the latest episode of Game of Thrones.
Backdoor uPWM Hack on Photon for Infrared signals using UART
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 achieve our goal. So first we started prototyping on the Arduino and quickly got a working example with some limitations – only 40 kHz and 33 kHz carrier frequencies were possible with the UART without delving into the registers a bit more. Then we moved the code over to the Photon, leveraging our previous softPWM examples, upgraded with the Arduino code – EUREKA! The Backdoor uPWM Hack on Photon for Infrared signals.
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 Timers, Laser Tag – invisible trip wire, Photography, Photo Interrupter, Reflective sensors for hand dryers, towel or soap, Dispensers, water faucets, toilet flush, Vending machine fall detection, Virtual ‘fence’, CNC wireless Probes, Security and pet gates, Person or object vicinity activation. BeamIR is built with only the highest quality IR components available and includes constant current drivers, noise suppression circuitry and visual indicators on signal lock.
The fifth member of our MakeIR series of devices & kits is the A.IR Shield. This shield works out of the box with AnalysIR, IRremote & IRLib.
The shield comes attached to an Arduino nano compatible device (clone). Although designed specifically for AnalysIR, users can also upload IRremote, IRLib or any Arduino sketches that run on the Nano. A.IR shield is built with only the highest quality IR components available and boasts dual Infrared emitters
The smart lamp is a desk lamp apparently not different from the others that are located in the offices, near the PC...
The smart lamp is a desk lamp apparently not different from the others that are located in the offices, near the PC monitor. However, it allows you to do one more thing: adjust the indoor thermal comfort by interacting directly with the PdC optimizing power consumption. For its construction we have used some pieces taken from a broken lamp. The remaining parts are appropriately designed to accommodate the various components and realized through the aid of a 3D printer.
In Part 1 of this series, we demonstrated how to send signals using simple Infrared PWM on Arduino. In this Part 2 post we look at sending RAW IR signals.
...specifically a RAW NEC signal and a longer RAW Mitsubishi Air Conditioner signal. We have also improved the method shown in Part 1 due to some issues we identified when sending ‘real’ signals versus the ‘test’ signal we used before. (More on that later). In Part 3, we will take the signals from this post and show how to send them using their binary (or Hex) representation, which saves lots of SRAM. Free source code is also provided.
To complement our AnalysIR project we are making this starter kit of IR components available as a single order.
We created this component kit as part of our original crowd-funding campaign to help makers get started with decoding IR remote control signals using quality IR components along with AnalysIR and an Arduino or RPi. (We also provide this and other kits at a discount via our own site, but only to users of AnalysIR.). After repeated requests we have now decided to offer it via Tindie to all makers worldwide.
The kit contains IR receivers for all of the most popular carrier frequencies (36kHz, 38kHz, 40kHz and 56kHz). The included IR LED or emitter can handle low current, 100mA and even short bursts of 1Amp for longer range or laser tag type projects. Again, all quality components.
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 covering variations in this topic.
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 carrier frequency on Arduino, using any available IO pin and without conflicting with other libraries. Part 2 will show how to send a RAW infrared signal using this approach and Part 3 will show how to send a common NEC signal from the binary or HEX value.
We reverse engineer this Mitsubishi AC Infrared protocol, an example of the more challenging AC Infrared protocols.
This post is the second in a two-part series about Reverse Engineering AC Infrared protocols. This time we look at the Mitsubishi Air Conditioner IR Protocol. Detailed information is available via GitHub which is linked below. This 288 data bit Mitsubishi AC Infrared protocol is composed of two consecutive frames. Both frames are always identical for each signal sent. In common with most AC units the complete settings are sent with every IR signal (temperature, fan, swing etc…). AnalysIR was used to record and turn the signal into HEX/Binary format from which the reverse engineering of the individual fields was tackled.
we decided to put 2 of the more common 38kHz receivers, TSOP34438 vs VS1838B, 'head-to-head'
Having helped many makers resolve problems with Infrared remote control projects over on the Arduino forum, we decided to put 2 of the more common 38kHz receivers, TSOP34438 vs VS1838B, 'head-to-head' . For more details visit:
A common question asked on forums is one about "Driving an Infrared Led directly from an Arduino pin". Often there is a debate if a resistor is required...
Although the answer may be obvious to anyone with at least a basic knowledge of Ohm’s Law, many are confused about how to choose a resistor value for optimum performance. Often, there is a debate about whether a resistor is required at all, given that the AVR pins are rated to deliver an absolute maximum of 40mA on a pin. (Note: All of the quoted specs in the data sheet are for test conditions of up to 20mA on a pin). Of course there are better ways of drive an IR LED with a transistor circuit or even a constant current circuit. However, in this post we consider only the direct drive circuit, as illustrated in the diagram down below. Make sure to read the caveats at the end of this post.
We have been updating the AnalysIR documentation for the upcoming 1.0 release and realised that AnalysIR now decodes 40 Infrared protocols. Wow!. Along with the most common TV & media remotes controls there are 14 Air Conditioner protocols included. The full set of protocols is included with the latest ‘dev’ release, which is available to all current & new owners of AnalysIR (less the aforementioned documentation) in advance of the pending 1.0 release. The 1.0 release will incorporate over 170 new features, updates and fixes compared to the initial release and also supports our new IR Learner which will be launched along with a range of Infrared kits in the coming months.
Geeky gadgets Arduino Infrared Learning Processor Board Set (video) Geeky gadgets Developers, makers and hobbyists that enjoy making projects using the Arduino platform might be interested in a new Arduino compatible infrared learning processor...
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