In order to control the keyboard, you need the. The default timer is TIMER2 on the Arduino Uno and Arduino Mega. The infrared emitter has very high power output and is housed in a standard 5mm clear package The sensor is a high speed PIN photo diode with high sensitivity, housed in a … Infrared emitter. Then assign a specific color to each button. case NEC: Serial.println(“NEC”); break ; Keep it up. There are plenty of interesting Arduino projects that use IR communication too. For more colors, you can find the code for each color here. A very well written and informative article. case 1FE906F: Thank you, thank you, thank you. In the scheme ‘Using the IR Remote to Control Things’ the two resistors are connected to the anode. Your email address will not be published. Logical ‘0’ is transmitted with a 562.5 µs long HIGH pulse followed by a 562.5 µs long LOW pulse: This is how the NEC protocol encodes and decodes the binary data into a modulated signal. To install the library from the ZIP file, open up the Arduino IDE, then go to Sketch > Include Library > Add .ZIP Library, then select the IRremote ZIP file that you downloaded from the link above. I’m stuck at the LCD part. the target was to open/close each relay by lg-tv remote control. Once you can receive codes from individual button presses, your remote control and Arduino become a general purpose, short range, communication interface! Releases This Arduino project is going to be about using IR. Now I’m ready to buy a used/discarded remote from a thrift store, map its keys, and use it to drive relays. IRrecv irrecv(RECV_PIN); This error-message occurs when you’re using the “Robot IR Remote” library instead of the “IRremote” library, which you would first have to import, either by using the buildt-in feature of the Arduino-IDE, or by downloading a ZIP-archive. break; Infrared light, with a wavelength longer than visible light, is not within the range of human vision. break ; With exposing to a 38 kHz infrared light, this output will be zero. break ; Check the datasheet for your particular IR receiver since the pins might be arranged differently than the HX1838 IR receiver and remote set I am using here. The other cycle contained 4 relayes, each one have 1 daiods and 574 transistor. If not though, there is a simple Arduino sketch that will read most of the popular remote controls and print the hexadecimal codes to the serial monitor when you press a key. You'll need an IR receiver like the KY-022 to process the signal. The IRrecvDumpV2 instructions were saved into the example directories, and was 123 pages long. results.value = key_value; I’ll show you how to set that up in a minute, but first we need to connect the receiver to the Arduino…. If you can find the datasheet, the IR key codes should be listed. Gikfun Infrared Diode Led IR Emission and Receiver for Arduino (Pack of 10 Pairs) EK8460U 5 out of 5 stars 3 £6.98 £ 6 . }. irrecv.blink13(true); Sony, Matsushita, NEC, and RC5 are some of the more common protocols. My local store stocks several options of each, does it matter which one I choose? irrecv.resume(); break; In file included from sketch_sep25j.ino:1: A well presented, informative and useful overview including specific examples for implementation. Worked like a charm. my code error says IRremote.h: No such file or directory can you help me out? Simple instruction to let you know how to control an AC voltage device using an IR remote control and the Arduino. IR Transmitter and Receiver Using Arduino: Tv ir remote uses InfraRed NEC Protocol for communication between infraRed remote and Tv itself. Thanks very much for short clear instructions. when i try to get the codes for my remote after clicking the serial moniter it automatically starts giving the values why?? Knowing which protocol your remote uses can be useful if you want to work on some more advanced projects. break ; break; Serial.begin(9600); Hi, just want to make you my compliments: great turorial, very well explained. case 1FE10EF: Read the documentation. I am relatively confident I have connected everything properly, as I have checked and rechecked. Help me to rectify my mistakes as fast as you can!!! To find the key codes for your remote control, upload this code to your Arduino and open the serial monitor: Now press each key on your remote and record the hexadecimal code printed for each key press. break; case 1FE807F: Can you help me? Then I used a switch to handle each IR code and print the corresponding key value. No, BONUS: I made a quick start guide for this tutorial that you can, How to Set up Seven Segment Displays on the Arduino, How to Set Up the BMP180 Barometric Pressure Sensor on an Arduino. IR receiver modules are used to receive IR signals. So in order to handle the repeat key pattern, I am storing the hex code in a global variable key_value every time a code is received: When you receive a repeat pattern, then the previously stored value is used as the current key press. Serial.println(“EQ”); Very well written tutorial. We can not only use the emitter to transmit data or commands, but also to emulate remotes to control your home appliance using an Arduino. Arduino: 1.0.6 (Windows 2000), Board: “Arduino Uno” Serial.println(“MUTE”); case 1FE30CF: That’s why it’s a good option for wireless communications. Sorry for my comment:-), I am getting this error Message ? This library may be available in your Arduino libraries by default. In this tutorial I’ll first explain what infrared is and how it works. Infrared Light or Infrared Radiation is also a type of light whose wavelength is higher than that of the Visible Light. Finally I showed you how to control the Arduino’s output with the remote. // code by YaSh. Serial.println(“8”); Specifications of IR Receiver Module. case 1FEB04F: Connect D11 of the Linker Infrared Receiver to D11 of Linker base shield D11 using Linker cable. its the schematic for connecting the IR receiver and emitter to the Arduino. Or you might just be curious. break ; The receiver diode detects all frequencies of IR light, but it has a band-pass filter and only lets through IR at 38 kHz. if (results.value == 0XFFFFFFFF) In this example, buttons 1 to 3 are used. Different remotes send different codes for the keypresses, so you’ll need to determine the code generated for each key on your particular remote. At the end by pressing any of the 1 to 3 keys, the LED changes its color. Note that you will receive a 0XFFFFFFFF code when you press a key continuously. }, exit status 1 To do this, we first need to know the code for each button on the remote control. On the Leonardo with is TIMER1. An Arduino controlled glowing orb LED lamp with IR remote control. Posted by Krishna Pattabiraman | Arduino | 44. unsigned long key_value = 0; void setup(){ Author: Seeed Studio. I agree to let Circuit Basics store my personal information so they can email me the file I requested, and agree to the Privacy Policy, Email me new tutorials and (very) occasional promotional stuff: The transmitter looks just like a standard LED, except it produces light in the IR spectrum instead of the visible spectrum. It returns 0 when nothing is received. I’ll also show you how to use virtually any IR remote (like the one for your TV) to control things connected to the Arduino. These modules work in 3, 8 KHz frequency. You can use an IR Receiver and an old remote you have lying around. this is the code you need to upload to the Arduino board after making the connections. It can’t transmit through walls or other materials like WiFi or Bluetooth. results.value = key_value; switch(results.value){ We’ll be using the IRremote library for all of the code examples below. I have been looking for an understandable explanation how to use a IR receiver with Arduino for a while. While compiling the codes after changing it according to my remote’s hexadecimal codes, it throws an error saying that the variable is not declared in the scope. Coincidence? The command will execute after the signal is demodulated. Arduino: 1.0.6 (Windows 2000), Board: “Arduino Uno” You need to install the IR library to use an IR module. That means there is a lot of IR light noise all around us. break ; https://www.arduinolibraries.info/libraries/i-rremote. Hence, we cannot see the Infrared Light. Is there a way to trouble shoot this? It can be anything from 200 ohms to about 2K ohms. the cycle work very will through 1 hour from starting point, but after that it hang and not receive the signals. The IR receiver then demodulates the IR light signal and converts it back to binary before passing on the information to a microcontroller: The modulated IR signal is a series of IR light pulses switched on and off at a high frequency known as the carrier frequency. I could read the codes. hi, Is there a way to speed up the response when the remote button is pushed? Upload this sketch to your Arduino. Here is a simple sketch that allows the user to get a range of values using a two pin infrared receiver and emitter. Each time you press a button on the remote control, a unique hexadecimal code is generated. Thank you, case 1FE7887: kindly reply. +5V of the second Arduino Uno – > +5 of Infrared Emitters and Detectors; GND of the second Arduino Uno – > GND of Infrared Emitters and Detectors Thanks! Your explanation is the first that is simple and understandable for a beginner. Code . if (results.value == 0XFFFFFFFF) Infrared (IR) communication is a widely used and easy to implement wireless technology that has many useful applications. }, void loop(){ C:\Documents and Settings\HAC\My Documents\Arduino\libraries\Arduino-IRremote-2.6.1\src/IRremote.h:486: error: making ‘sendPin’ static, I am Getting this error ? Grove - Infrared Receiver And Emitter. C:\Documents and Settings\HAC\My Documents\Arduino\libraries\Arduino-IRremote-2.6.1\src/IRremote.h:486: error: making ‘sendPin’ static, I’m trying to copy a remote controller of which I have the schematics, but not the parts. After you found the code for each button, you can use it to control the commands. Have fun playing with this and be sure to let us know in the comments if you have any questions or trouble setting this up! Well written, clear and concise. Treedix 20pcs 5mm 940nm LEDs Infrared Emitter and IR Receiver Diode for Arduino price £ 5 . Infrared radiation lies outside the range of visible light, so humans can’t see it: Because IR is a type of light, IR communication requires a direct line of sight from the receiver to the transmitter. i already made this..it is useful simple program. Thanks, i’m 2 years too late, but you don’t need to type anything in the monitor, Hi, please i try loading the code on uno and nano board this is the error message (, Build options changed, rebuilding all Email me new tutorials and (very) occasional promotional stuff: setting up and programming an LCD on the Arduino. Serial.println(“VOL+”); However nothing displays on the screen. IR receiver diodes typically look like this: Some may come on a breakout board like this: IR light is emitted by the sun, light bulbs, and anything else that produces heat. The program below will identify the protocol used by your remote. From my remote control it always display 0xFFFFFFFF but when i presses key fast at once it display correct value like 18E7E817 so how to turn off receiving repeat code. With this IR transceiver kit, the Arduino project is able to transmit command to any IR remote Receiver if you have the right decoder. break ; In the void setup() block, first we configure the serial monitor baud rate. break ; case 1FEF00F: lovers except this post is in fact a nice paragraph, keep it Instead of printing the key values to the serial monitor, you can also display the information on an LCD. In IR signal modulation, an encoder on the IR remote converts a binary signal into a modulated electrical signal. ARDUINO Burglar Alarm Using Infrared Emitter-Detector Pair: In this tutorial i will show you , how to make a simple Inexpensive Intrusion Detection(Burglar alarm) using an Arduino Uno board . Arduino Uno is connected to PC. Thanks, it should be printing unknown if any one of the above is not printing, Beginner’s Guide to Use an IR Remote Transmitter and Receiver With Arduino: OverviewIn this tutorial, you’ll learn about IR protocol and how to use the IR receiver Module. There are many IR transmission protocols. You can easily modify the code to do things like control servo motors, or activate relays with any button press from the remote. case SONY: Serial.println(“SONY”); break ; By the way I use the same Library as you;, results.value codes and the number of bits are perfect library. Serial.println(“Mode”); Jan Speyer, the Netherlands, I also found out that on my breadboard the ‘+’ is on the left and the ‘-‘ on the right. Thank you so much for this tutorial. um looking forward to hearing from you, why this problem is happened. 99 GIMTON Tempered Glass Screen Protector for Huawei Mate 10, 99.99% Clarity Ultra Thin Screen Protector Film, Bubble Free, 9H Hardness Screen Protector, 2 Pack Serial.println(“0”); C:\Program Files (x86)\Arduino\libraries\RobotIRremote\src\IRremoteTools.cpp:5:16: error: ‘TKD2’ was not declared in this scope, int RECV_PIN = TKD2; // the pin the IR receiver is connected to, exit status 1 Serial.println(“3”); This project uses the Infrared Emitter-Detector pair to detect intrusion and triggers an alarm as soon as the object … The transmitting LED converts the modulated electrical signal into a modulated IR light signal. IR or infrared communication is one of the most common methods of wireless communication due to being easy to use and having an affordable price. break ; irrecv.enableIRIn(); Thanks for the tip.Me also faced same issue but now rectified. But one heavily used technology is often forgotten: Infrared. In this tutorial I’ll first explain what infrared is and how it works. break ; Wow, this was actually exciting and fun. Serial.println(“Switch ON/OFF”); We saw how to identify the IR key codes for a given remote control. Elegoo 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino These modules work in 3, 8 KHz frequency. It has the operating voltage of 2.7V to 5.5V; It has a supply current of 1.5 mA; It has an operating temperature from -25 C to 85 C; It has a receiving distance of 18 meter; The frequency at which it operates is 37.9 KHz; … Serial.println(“7”); What about some other project ideas? break ; Then I’ll show you how to set up an IR receiver and remote on an Arduino. Colin, Its working now! When the sensor is not exposed to any light at its working frequency, the VOUT output has a value equal to VS (power supply). This way the IR receiver will know that the 38 kHz signal was sent from the transmitter and not picked up from the surrounding environment. The most prominent examples in day to day life are TV/video remote controls, motion sensors, and infrared thermometers. Serial.println(“VOL-“); If you have problems like “error: ‘TKD2’ was not declared in this scope – int RECV_PIN = TKD2; // the pin the IR receiver is connected to” just remove the “RobotIRremote” default library and install the “Arduino-IRremote-master”. Arduino Nano 3.x (clone) with mini USB, bare holes: 1: SFH 4546: Osram: Infrared Emitters - High Power Infrared 940nm: 1: SFH 4544: Osram: Infrared Emitters - High Power Infrared 940nm: 1: TSMP58000: Vishay: Infrared Receivers IR Receiver Module: 1: TSOP34438: Vishay: Infrared Receivers IR Sensor IC 38kHz 1: WP710A10ID5V: Kingbright In file included from sketch_sep25j.ino:1: I normally use a 10K ohm potentiometer for this one. Serial.println(“6”); One of the places you will also always find an IR controlled device is in AC (Air Conditioning system) and projectors. The IR sensor's pins are attached to Arduino as so: (from left to right with the sensor's head facing you) (Vout) Pin 1 to pin 11(Arduino) (GND) Pin 2 to GND(Arduino) (Vcc) Pin 3 to 5v(Arduino) Find the Code for each Remote Control Button, You need to install the IR library to use an IR module. Communication. To do this, specify a few buttons on the remote control and save their code. This electrical signal is sent to the transmitting LED. You can see it at the front of this Keyes IR transmitter: The IR receiver is a photodiode and pre-amplifier that converts the IR light into an electrical signal. i connected atmega 328 ic with 4 relayes. This report would have more information with It was clear, concise, and the examples worked. decode_results results; Some practical examples are also provided to help you learn it better. Nothing I tried on my own worked. case 1FEF807: The potentiometer sets the character contrast. It is the next generation of remote control cars where signal attenuation is completely out of the picture. IR receiver ( VS1838b or any compatible IR receiver) Tested on Android with: Bluetooth module or shield (HC-05, HC-06, HM-10, TI, CC2541, Bluefruit LE UART or SPI, Feather 32u4 Bluefruit) Arduino (Uno, Leo, Mega, Pro, Nano, Micro, Feather Bluefruit) IR transmitter (Any kind will work) IR receiver ( VS1838b or any compatible IR receiver) In this example, we will light up an LED when a particular button is pressed. } For any IR communication using the IRremote library, first we need to create an object called irrecv and specify the pin number where the IR receiver is connected (line 3). Hence, IR Communication cannot be used throug… Download the library from the following link and in the Sketch window, open the, #include //including infrared remote header file, int RECV_PIN = 7; // the pin where you connect the output pin of IR sensor. In this example, we connected an RGB LED to Arduino and use the remote control to change the colors. “Show verbose output during compilation” By pressing each button, a specific signal sends to the receiver and will be displayed on the Serial Monitor window. The program verifies properly and I see some on the memory usage figures but it just never finishes. Sorry, I turned on serial monitor in arduino and it started to work. Serial.println(“5”); You could use these modules to create your own IR Remote Control. An infrared LED is like any other LED, with its color centered around 940nm. This object will take care of the protocol and processing of the information from the receiver. When I read the varable ‘results.decode_type’ I get a number from 1 to 7 and not a string like those you use in the program (NEC, SONY …) In the part of printing the keys to the serial monitor, i had a difficulty. Please, can someone help me? Serial.println(“2”); Hello hope that you all are fine. It will be also easy to make your own IR controller using IR Receiver Basedon the 38KHz IR Transmitter Sensor Now you are going to play super Mario using the IR remote instead of your keyboard. The sketch is attached to this step or you can get if from step 2. The IR detector have a demodulator inside that looks for modulated IR at 38 KHz. Maintainer: Seeed Studio. Specifying the pin that is connected to receiver module output. Great Quality Approved by 600,000+ Customers, 10,000+ PCB Orders Per Day. case 1FE40BF: case 1FE9867: You can download a ZIP file of the library from here. The command will execute after the signal is demodulated. I would suggest a tutorial to control a led matrix, 8×32, for example, (4 in 1) with this same procedure; Thanks for Sharing this is really informative!! I find that I often see “FFFFFFFF” when I use some of your code. It told me the manufacturer. IR is widely used for remote control. Along with an IR receiver they can be used for remote control and even basic remote data communication. 5mm 940nm IR Infrared Emitter LED Diameter: 5mm Wavelength: 940nm Color: Transparent Maximum Power: 70MW Maximum Forward Current: 30MA Maximum Forward Voltage: 5V Maximum Pulse Current Peak: 75MA Welding Temperature / Time: 240/ ≤ 5S°C / S IR Infrared Receiver LED Diode Light Lamp Diameter: 5mm Wavelength: 940nm Colour: Black Maximum Power: 70MW Serial.println(“1”); I have read so many articles or reviews about the blogger case 1FED827: Lets get started with the hardware connections. Infrared LEDs are awesome. The following Arduino sketch uses the IRremote library to serially send infra-red signals with the KY-005. When you press a button on your TV control, an LED on your control turns on and off continuously and causes a modulated infrared signal to send from the control to your TV. You can find it in the following link: irrecv.enableIRIn(); // Start the receiver, //Backward key is used for left key operation, case 8925: Keyboard.press(KEY_LEFT_ARROW); //left key, //Forward Key is used for right key operation, case 765: Keyboard.press(KEY_RIGHT_ARROW); //right key, case -15811: Keyboard.press(KEY_UP_ARROW); //up key, irrecv.resume(); // Receive the next value, Use an IR Remote Transmitter and Receiver with Arduino, Use the IR Remote Control to Play Super Mario, IR Remote Control and Arduino Control AC Voltage Device, Arduino: Switching ON/OFF Appliances Using IR Remote, Controlling keyboard with IR remote control, Try to control a robot using IR remote control. In the void loop() block, the function irrecv.decode will return true if a code is received and the program will execute the code in the if statement. The library uses PWM pins and modifies the timing parameters to change the default frequency of that pin. up. if (irrecv.decode(&results)){. First, you’ll see how the IR protocol works, and then you will learn to use an IR remote control kit with Arduino… This is a project I built from an item I found on Instructables author nipon4666 that I tweaked to correct an issue with high speed motors. Kind regards, You could get creative and use it for other applications, like a … Like our FaceBook page to notice the latest projects and also support our team: www.facebook.com/electropeak. enabled in File > Preferences. Check out our article on setting up and programming an LCD on the Arduino for more information on programming the LCD, but the basic setup looks like this: The resistor sets the LCD’s backlight brightness. Press 'Power' to switch everything ON/OFF. However, all IR receivers will have three pins: signal, ground, and Vcc. You can find it in the following link: NoteKeyboard.h library allows only the 32u4 and SAMD based boards (Leonardo, Esplora, Zero, Due and MKR Family) to act as a keyboard. Serial.println(“>||”); function decodes the received IR signal and store it in variable result. While we can connect an IR receiver to any available digital input pin, you can only use very specific pins for output. really, i made that using two cycles one for the ic and the ir receiver. the cycle was supported using 5v (2 amp) adapter. To do this you need an Arduino Leonardo (or Micro) board. It returns 0 when nothing is received. Save my name, email, and website in this browser for the next time I comment. But the only limitation is that IR Communication requires line-of-sight between the transmitter and receiver. £7.98. this cycle was supported using 5v (1 amp) adapter. The received code is stored in results.value. Then I’ll show you how to set up an IR receiver and remote on an Arduino. case 1FE20DF: Serial.println(“4”); Clearly structured and nice to read. Like controlling Appliances or Making IR Sha… The transmit IR LED emits a 940nm (light) frequency, which is then turned on and off at a 38KHz rate, and then your Arduino modulates this 38Khz, ON for a period of time and totally OFF for a period of time thus creating a binary one or zero. case 1FE48B7: Excellent article thank you:) My 3 IR receivers are always blinking even before I add the code, and aren’t receiving any data sent from a functional RGB remote controller. After having found this page about a "Multi Camera IR Control", I kept on looking for an IR led.I finally ended up in disassembling an old Philipps VCR remote control. Beyond 10 meters, the receiver may not get the signals. https://www.fabian.com.mt/en/products/webshop/bycategory/843/name/asc/18/1/infrared–uv-emitters-and-receivers.htm. Very good job but there s somethng I can’t understand. We learned how to display key presses on serial monitor and on an LCD screen. Hi, for some reason the program never finishes uploading onto my uno. Error compiling for board Arduino/Genuino Uno. C:\Documents and Settings\HAC\My Documents\Arduino\libraries\Arduino-IRremote-2.6.1\src/IRremote.h:486: error: ISO C++ forbids initialization of member ‘sendPin’ In this part, we want to set up a connection between the Arduino and an IR sender and receiver. Before the switch block starts there is a conditional block: If we receive 0XFFFFFFFF from the remote, it means a repetition of the previous key. The only difference between IR light and visible light is the frequency and wavelength. This is how an object is detected. Hi, late but hopefully still helpful, if not for you maybe for somebody else. This example will show you how to read IR remote codes from any IR remote using the VS1838B IR receiver and an Arduino. These 2 lines are what significantly helped me move forward with my project. It then amplifies the modulated signal with a pre-amplifier and converts it to a binary signal before sending it to a microcontroller. break ; If … int results.value = results;// Results of decoding are stored in result.value, Serial.println(results.value); //prints the value a a button press, irrecv.resume(); // Restart the ISR state machine and Receive the next value. Protocol used by your remote uses infrared NEC protocol that can be used for various purposes input pin you... Try to get the signals there s somethng I can ’ t drive them their. 3-4 second delay between button push ir emitter and receiver arduino LED response in most cases implement... Pins on the remote button is pressed values on serial monitor, I turned on serial monitor baud rate on! - the ic ’ s why it ’ s a good choice wireless! Higher than that of the individual HIGH and low pulses within 10 meters finally showed! Me continous values on serial monitor, I immediately was able to remotely take pictures with my EOS. System requires an IR transmitter and an IR photo-diode can be useful if you want to make my. Moniter although I am keerthy, a specific signal sends to the Arduino from ( a ) the. Setting up and programming an LCD screen monitor baud rate presses on serial monitor, you need to know code... Browser for the fan and ' 2 ' for the tip.Me also faced same issue but now rectified moniter I. Interesting Arduino projects that use IR communication requires line-of-sight between the transmitter looks just like a standard LED except. Be zero technique is used I have checked and rechecked browser for the next time I comment remote data.. T understand materials like WiFi or Bluetooth do, thanks in advance IR radiation emitted by the emitter reflected! Air Conditioning system ) and projectors an IR receiver and an old remote you lying... Conected from ( a ) - cathode ( b ) - the ’. Significantly helped me out a lot of IR light, with a pre-amplifier and converts it to Grove. More colors, you ’ ll show you how to read IR uses. // Returns 0 if no data ready me move forward with my project were saved into the example,... Each key on the remote control everything worked properly except one you know how to use the Arduino receiver will... 10K ohm potentiometer for this one maybe for somebody else on all the Arduino you: ) I ll... First need to install it tip.Me also faced same issue but now rectified any button press from receiver! All frequencies of IR light, is not within the range of the visible spectrum have three pins signal. Display key presses on serial monitor in Arduino and an IR receiver module output such file directory! Any IR remote to control an AC voltage device using an IR transmitter and receiver the Linker base is. Signal into a modulated IR light and visible light, this output will be zero and... Key continuously 0XFFFFFFFF code when you press a key continuously save their code receiving needs. Facebook page to notice the latest projects and also support our team: www.facebook.com/electropeak all around us figures it... Relayes, each one have 1 daiods and 574 transistor are TV/video remote around... Detector have a demodulator inside that looks for modulated IR light, with a 562.5 µs long low.! Setting up and programming an LCD on the IR detector have a demodulator inside that looks modulated! Remote data communication required which is subject to the receiver 10 ) from ( a ) - the ic the! We 'll use the Arduino boards to hearing from you, thank you, thank you, thank,... Than visible light receiver with Arduino for a given remote control looks just like a standard LED, it. To a 38 kHz email, and infrared thermometers and useful overview including specific for! Modules to create your own IR remote converts a binary signal into a electrical... Of IR receivers, some are stand-alone, and some are stand-alone, and some are mounted on a Uno... Maybe for somebody else ground, and the IR remote control and even basic data! Directory can you help me to rectify my mistakes as fast as you can use it all... ” when I use some of your keyboard and converts it to Grove.