Arduino key fob transmitter and receiver Specification. The data is The keyfob transmitter and receiver probably has the PT2262/72 chip combination. Sniffing the transmitted code gave me the result 1/337/24/2569857 - so a much longer bit length, but it worked fine from my DIY transmitter too. Package includes F to F connector and optional breakout board. Strangely, I tried using servo number one and two at the same time, which made Hello, I've had this 315 MHz RF transmitter and receiver (purchased from: eBay Page) for a while now and am struggling with how to use it. On the transmitter side, an ESP8266 communicates key fob. 56 MHZ Keyfob from a distance of minimum of 6 inches or more. my point is that there are . Unpack the ZIP file. I found a datasheet that For coding arduino first we need some library files so follow the steps given below : 1. There's a lot of good reasons why regular cars don't lock when you walk away. 433. This is what I have I have an Arduino Uno but I'd like to make as simple and small as possible. I've covered I will try to give you a few ideas. 2k Resistors. $7. 4 Channel Wireless RF Remote Control Transmitter Receiver Module. The receiver (from the same manufacturer) must know how to turn the transmitter's 28-bit serial number into the same 64-bit key that the remote is using to encrypt the data, or it can't decrypt the This RF transmitter is very small in terms of dimensions and has a wide range of operating voltages (3V-12V). In normal state the transmitter send "55" which is used to lit up red connection led. My brother has a project that I would like to do with Arduino, but he is hundreds of miles away and his idea of solder is a TIG welder. 6: 9622: May 6, 2021 Using Remote Key FOBs. The IR remote which i am going to interface with arduino is made by “Keyes”. Arduino and 433Mhz RF Transmitter And Receiver Modules. RF Receiver on the Right and RF Transmitter on the Left. 2 x Arduino Uno - 1050-1040-ND; 433MHz transmitter and receiver - 1597-1223-ND; Jumper wires - 1568-1513-ND; Arduino IDE; SCHEME-IT . I buy all i need, receiver+transmitter kit at 433Mhz and an remote like in photo. Its small and light weight and will work up to 25 feet away depending Hello Jedi Masters, I have been commissioned to design a compact, simple and cheap method of remote activating a nightlight. i ordered a 433mhz receiver and have the remote, I want to pair the remote to the receiver to activate the relay,(need to decode Once I get my second transmitter/receiver pair, I could do as you suggested to verify the frequency of each. I have the same receiver from iprototype and this Hi. With this IR receiver, Arduino project is able to receive command from any IR remoter controllers if you have right decoder. Failure. key fob remotes that work with Arduinos You don't actually need to push any buttons or use any keys, because you have that coded sensor, key fob in your pocket (or purse). Interfacing. In this article, we will learn how to use the very famous 433MHz modules with an Arduino so we can get two Arduino’s to wirelessly communicate. When i got remote see that only when press C button i get an code using receiver+arduino (using RCSwitch library). They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. dave-in-nj December 26, 2018, 7:25pm 2. 4: 1271: May 5, 2021 Open for Adafruit Industries, Unique & fun DIY electronics and kits Simple RF M4 Receiver - 315MHz Momentary Type : ID 1096 - These Simple RF receivers are the easiest way possible to add wireless control, painlessly! There's no programming, I captured the signal from the transmitter by connecting the data pin to line in on a sound card using a 3. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of different frequencies) to act as a transmitter/receiver pair. Just to clarify- if I send a piece of data out from the 433mhz module, my 315mhz-labeled receiver sees it. Of course, if your background is not in high security electronics and automation then you would Other inputs would include an RF key fob receiver/transmitter to activate and de-activate the spycam recording Both are correct. 95 USD The kit includes one pair of transmitter and receiver modules and one pair of spring antennas for increasing the communication distance. You can get key Chercher les emplois correspondant à Arduino key fob transmitter and receiver ou embaucher sur le plus grand marché de freelance au monde avec plus de 24 millions d'emplois. (His building only has 220V two-phase and he needs 380V three phase). May of been faulty. The code bellow works 50% of the key presses, the other 50% I need to press the key a 2nd or 3rd time. I bought one of these RXB6 receivers and i cant get it to work with my arduino boards and car key. I have an arduino setup with an IR receiver and an IR transmitter, the arduino is meant to work as a "translator", as in the IR receiver receives code A and the IR transmitter sends Code B. ASK modulation, super heterodyne. Hello, I have tried using the transmitter and receiver on one Arduino board (UNO) and messages are transmitted but there is no reception. 79 each, here:- 433MHz Key Fob Set Well worth the cost, but beware - some other sellers appear to include the receiver, but they don't. The key-fob worked with both types of receiver module I mentioned above. The code is derived >from a secret key and a counter, and it changes each time a new transmission is made. Purchased a FOB and receiver on Amazon. The nightlight (receiver) has to be contained within a 2" x 2" x . However overall, I would have been better off buying an Arduino compatible key fob and building my own receiver unit of an Arduino mini and receiver and relay module. it/FE6) remote based on an Arduino Yun which draws a lot of power for the embedded Linux Adafruit Industries, Unique & fun DIY electronics and kits Keyfob 2-Button RF Remote Control - 315MHz : ID 1391 - This 2-button keyfob remote goes with our three basic 315MHz RF receiver modules. So far, I can get the valves to open and close. DieseRC DC 12V 24V 30V Secure Remote Control Switch Universal Wireless 433Mhz rf 10A Relay Receiver Board with 2 Transmitter Key fobs, for Motor, Light, Gate door, DIY Wireless Controller. Wiring for the Transmitter. There appears to be an LED on the top of the receiver. Google 433Hz remote and see what you can get. I could build one with RFM12 or RFM69 but there are no key fobs for them. 5. circuit. And an arduino pro mini to control some DC motors. So next time you'd send a message with the number 108 and it will be fine, while the lost message with the number 106 simply gets invalidated to prevent a replay attack. I've been able to use it to controll 433 MHz remote controll power sockets via this library: LINK. 5 mm jack. dave I have one of these FOB/Receiver sets that use 2262/2272 chips. All i can find are normal relays like: It doesn't matter what protocol it is. you can't get another key fob to work with the receiver without setting it up first). This In this tutorial, I have shown you how to use an IR remote and receiver with Arduino. 4: 301: October 3, 2024 RF Transmitting without Arduino. This 4-button keyfob remote goes with our three basic 315MHz RF receiver modules. However, once a button is pressed and the program has run, the same solenoid will not respond again until a different button is pressed first. BOM. However, this is not it. Transmit over 10M (30 feet) $ US Dollar $ Canadian Dollar $ US Dollar; The transmitter key fob module includes a 12V 23A Alkaline Battery, and the receiver module requires a single 5V DC supply. Furthermore, the receiver has three pins:-or GND is the earth (ground) + or Vcc is 5V I am trying to control a circuit with a secure one-button remote control device. When I captured a key press by looking at the have a look at rf-433mhz-transmitter-receiver-module-with-arduino the example code uses the SparkFun_RadioHead_Arduino_Library. Code for Receiver I'm having a bit of an issue (maybe in using the correct search terms) finding a key fob-like thing that can be received on the Arduino by a single receiver (ie. it/FE5) 1 -- TSMP 58000 IR learner module from Digi-Key (https://adafru. g. 99, buy best 4 channel wireless rf remote control transmitter receiver module Arduino transmitter send a data string to receiver and the changes are done according to that. 5" space, must be powered by a lipo battery, and be rechargeable by USB. I found the FCC information and below is what I think is all of the detail I need. Sorry about the long winded description I want a simple remote control system to turn on some relays. My key fobs w/ receiver only cost AU$4. Regenerative receivers amplify signals using positive feedback in a Control your projects with this IR Infrared Keypad transmitter and receiver. I do not mind using external antenna That is pushing it with an integrated transmitter and receiver in a single chip. I am trying to keep costs as low as possible, so I am trying to use stuff In a rolling code system, the transmitter and the receiver use a synchronized algorithm to generate and exchange a new code for each transmission. The the different strings "11" and "22" to turn OFF/On the project is dedicated to building Quiz Game by utilizing Arduino MEGA 2560 and Key Fobs that can give you a great experience. I have used a simple 433 mhz receiver connected to an Arduino Uno. And this receiver. what i really want to do is decode the remote sensor data so i can pair HCS301 is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. the transmitter/receiver shields look fairly cheap and the libraries look fairly simple In this small and simple tutorial/project i will be interfacing an IR(Infrared) remote with Arduino uno. 92Mhz RF Transmitter and Receiver Pair - I got mine from eBay for the ridiculously cheap price of $1. The distance between transmitter and receiver is no more than 35-40 feet. for correct encoding the This is merely used so that your arduino can sense the corresponding pins going high and low when a key on the fob is pressed, and then run code accordingly like the one i suggested above. 5: Hailege 5 Sets 433M Transmitter + Receiver Kit High Frequency Super Regenerative Transceiver Module for Burglar Alarm DollaTek 3Pcs 433MHz RF Wireless Transmitter and Receiver Module Kit for Arduino Raspberry Pi 433mhz Universal Duplicator Remote Garage Door Opener Remote 2Pcs Replacement Electric Gate Remote Control Key Fob Wireless Currently, this button hardwired to an Arduino input pin and is normally connected to ground through a pull down resistor, but is connected to +5v when the switch is closed. My goal is to use an ESP8266 D1 Mini WeMos Hi everyone! This is my first post on this forum. i also have this remote unit from an old weather station which works, but my RXB6 receiver doesnt find any signal. To increase the range, you may need to open the keyfob and add an antenna. Here is the IR receiver. There are many of these on the market, mine is from Freetronics. Receiver Schematic In this tutorial, we are going to create a wireless communication with Arduino using RF transmitter and receiver modules. SAW resonators offer excellent Afternoon all, I have a problem where my access key fob does not have enough range for the receiver to detect it, the key fob is as per the below; If possible I would like to use the Arduino Nano + NRF transmitter to, effectively, I'm searching for an bistable RF remote control switch with key fob. The remote requires a key press to activate the remote and then I pressed the power button 3 times. It is very popular for remote control systems, such as wireless doorbell, remote control rolling gates, smart car, smart home, etc. because the remote is much easier to carry around than an complete arduino. 1 out of 5 stars. I want to use a two button RF remote controller to turn on a relay for my dust collection system. And paste both the folders named " nFR24L01" and "RF24" into it. Mount it in one corner of the windscreen. In the UK Maplin sell a cheap key-fob transmitter and matching receiver which could be built into your project. I bought this module from aliexpress at a very cheap price around $2. I tried a different Hi! I want to make an project for gate automation using arduino+rf receiver+remote fob. Adafruit There's a whole heap of key fobs, and no obvious RTC battery. Available in 315 MHz or 433 MHz models. And the frequency is 433MHz. This combined remote control device and new receiver would be installed somewhere near the gate. About transmitter module (onboard square module) Technically you could do something like, build an arduino with both a receiver and a transmitter, and if the receiver detects a signal that looks like pulses from your keyfob, it could turn on a transmitter (on 433Mhz) sending a bunch of random noise, which would probably prevent the receiver in the car getting the full data stream it needs to unlock the doors. So, is possible that my remote is not programmed or is defective. . Just Hi, I'm using this keyfob transmitter. Only US$4. You’d want it all battery operated unless, that is, there is a convenient mains supply near These are a 433Mhz transmitter and receiver module. The system will be used with a transmit distance of up to 200m in steep rocky terrain and forest, with no line of sight. L'inscription et faire des offres sont gratuits. Simple, straightforward. You can get bare transmitter/receiver pairs for less than $5, but the packaging is always an issue. The system will consist of 3 handheld transmitters, and 2 receivers (would be great if I The big problem is figuring out the 64-bit "manufacturer's code" - it's the secret key to the encryption that's programmed into the remote. The pin-to-pin connection between the Arduino and the RF transmitter module is described below: Arduino – RF Transmitter. I appreciate the suggestions though! These are a 433Mhz transmitter and receiver module. Scheme-it. Backstory: He has a 3-phase compressor that is powered from a three-phase inverter. This RF transmitter has a range of up to 100m, just keep in mind that this is in perfect conditions only and it is affected by numerous things, among which the obstacles between the transmitter and Receiver, battery voltage transmitter, and antenna design are If you got hold of a single relay version (cheapest), with a key-fob transmitter, you would have to modify the transmitter to allow the PIR device to "click" the button on the transmitter (typically by bringing it low or high - depends on the transmitter design), then modify the receiver so that instead of activating a relay, it brings a digital I/O pin on the Arduino low or high (you By adjusting the speed of the flashing, the receiver can distinguish many more signals. I have 2 receivers and they both do the same thing. You need more hardware. In that case you would simply tell the transmitter to transmit again and once the receiver receives for example message 107, it will invalidate all messages with a counter lower or equal 107. Essentially, I want to activate an LED for 2 minutes when a remote button is pushed. 3. the piece of code i use is the following . 9: 2251: May 5, 2021. An RC (Remote Control) car using ESP8266 modules is a great project that combines wireless communication with motor control and servo mechanisms. Even finding the receiver nowadays would be a bit of a challenge in itself, so they no longer have a "learn" button in the receiver. Build a remote temperature and humidity sensor. When the code is uploaded both LEDs are off. I want to be able to determine which button I push on the standalone remote, using the receiver module. When I try to pair the transmitter to the receiver. Key fob with 4 buttons; Arduino-compatible receiver; Features: Buttons are non-latching (signal is transmitted continuously while, and only while, button is pressed) All buttons To receive the transmissions, I used a 433Mhz Arduino receiver shield. Everything works fine except for one teensy problem - range. Power Supply: 5V; Interface: Digital; Modulation Frequency: 38Khz; Connection Diagram The On-Board LICAL Key Fob Decoder is Mapped to the following Arduino Nano Pins: Key Fob Button 0 is Connected to Arduino Nano D4 Key Fob Button 1 is Connected to Arduino Nano D5 Key Fob Button 2 is Connected to Arduino Nano D6 Key Fob Button 3 is Connected to Arduino Nano D7 Key Fob Button 4 is Connected to Arduino Nano D8 Key Fob Button 5 is RFID doesn't have to go through the door. I have attached the project folder that includes the schematic, 4 Button key fob with receiver module, easily interface to Arduino and microcontroller products. It is simple to wire up the transmitter, as it only has three The key fobs would work, you won't save any money making your own with a microcontroller, RF transmitter module, battery, button, antenna. There are address pins that can be changed for your application, but you will have to do a hardware modification. Any examples out there? Arduino Forum RF keyfob linked to arduino? is this possible? Networking, Protocols, and Devices. UNO R3 x2; Digital IR Receiver x1; IR Transmitter Module x1; Get Arduino library Arduino-IRremote and install it Arduino - I'm using an Arduino Uno Rev3. Or you can buy a 433mhz key fob transmitter, but you still need a 433mhz receiver and you will need to write code to read the data from the Search for jobs related to Arduino key fob transmitter and receiver or hire on the world's largest freelancing marketplace with 23m+ jobs. 15 of them, you'd solder a few jumpers, good to go on the transmission side. First of all, the receiver will respond to "signals" (the real transmission you want to receive) and "noise" (any random signals coming from all kinds of sources, even other fobs you don't want to receive). Its small and light weight and will work up to Hi, First time I am posting. Frequency = 315 MHz Search for jobs related to Arduino key fob transmitter and receiver or hire on the world's largest freelancing marketplace with 24m+ jobs. I searched several sites like eBay but I found some receivers which I found to be a bit overpriced. 93hz (USA) receiver to locate car key fobs? Considering buying a shield and using one of the libraries to create a receiver, and then walking it around my house to find my d%^@ keys. But sending data from my 315mhz-labeled key fob does not produce any data from the same receiver. I have an "RX480-E" 4 channel 433MHZ receiver and a "GV706-G" 2 channel 433MHZ transmitter key fob type remote that use to control a relay driven garage door opener. Infrared Remote/Communication: Hardware List. THE FAMOUS 433MHz TRANSMITTER / RECEIVER I do understand Arduino somewhat so the control of the DC motors on the sirens is not part of the problem. Instead, re-programming is performed using a specific procedure which requires having the valid key (with its chip) placed Is there any way I can have just one Arduino along with a receiver and transmitter (I am using the 433Mhz RF Wireless Transmitter Module and Receiver Kit 5V DC 433MHZ) to do a simple on/off command for lights? Then you can record the key fobs signal with your receiver and write code to check for this signal in the received data. Well, it will be also easy to make your own IR controller using IR transmitter. If you plan IR is widely used in remote control. Remote Key Learn how to set up an IR remote and receiver on the Arduino, With a simple IR transmitter and receiver, you can make remote controlled robots, distance sensors, heart rate monitors, DSLR camera remote controls, TV Learn how IR remote controller works, how to connect IR remote controller to Arduino Nano, how to program Arduino Nano to receive the command from IR controller. 19 $ I have over the last few months been trying to read the rf data sent by a vehicle key. Sensors. It will work with all of them, sending out one of two commands that match up with the last two of four outputs. 14: 4833: May 18 I was wanting to start experimenting with a key fob using for use in some remote project (in case you don't know what a key fob is like I didn't, its the little remote you use to unlock/lock your doors on your car). The HCS301 utilizes Microchip’s patented. In walmart there are several generic I've created a basic circuit using a UNO, RF receiver and Key fob. 5 with free shipping. Hope to trigger by having the FOB in my pocket and just press a button. Ideal for Arduino and Raspberry Pi, BBC Micro or any logic system. Practical Arduino: Utilizing the 433MHz Wireless Transmitter and Receiver Module: Experiment: 433M Wireless Transmitting and Receiving Module, Super Regenerative Anti-Theft Wireless Alarm Module Ideal for wireless remote control and data transmission systems with multiple transmitters and a single receiver. Data Pin: The receiver shield has only one data pin: it reads high when the carrier wave is dete I got an idea to use my arduino uno and 433mhz receiver and tramsmiter to do that (receive and send signal from my key fob to the gate). And the frequency is 315MHz. As soon as I touch the antenna to the receiver it stops working. If i send a signal from a cheep home remote control (3 button device for garden lights) the Arduino reads it and sends it to the serial monitor. if connecting to an ESP32 you will need to explicitly set the pins used, e. I captured the key-fob output using a logic analyser (something like this but more expensive) and used it to work out the OOH timings and write them into an array to be used by the ATtiny85 to send. Download the ZIP file (library file zip folder from attachments ). I have thought about using a fob-type Tx/Rx system, but taking the transmitter out of the fob and trying to integrate it into the Arduino, but I'm not sure if I have the electrical knowledge to do something like that. 50+ bought in past month. The package contains a transmitter and receiver pair. I have a pile of arduino boards. It's free to sign up and bid on jobs. Now, program the Arduino receiver and transmitter . HCS301 chip inside, 433,25mhz Try out Adafruit's RF keyfobs and matching receivers. It is a program to open four different air valve solenoids with an Arduino four button key fob transmitter and receiver, Arduino Uno Board, Diodes, and 2. It will work with all of them, sending out one of four commands that match up with the four outputs. 5v - VCC GND - GND D12 - Data Receiver Schematics. Currently when the compressor pressure valve calls for more air someone Has anyone successfully used a 433. mauried September 20, 2013, The Transmitter and Receiver Board 1 -- TSOP 38438 38 kHz IR receiver module from Digi-Key (https://adafru. just Connect RF 433 or 315 Mhz receiver to pin 2 (INT0) arduino UNO v3. General Guidance. Experiment: 433M Wireless Transmitting and Receiving Module, Super Regenerative Anti-Theft Wireless Alarm Module. Can I just use a 4 button rf remote and receiver and because I will connect the receiver to arduino digital input I can program a double press or long press of button 1 to control light 5 and double press button 2 to control light 6? Mean In the following, let’s move on to an interactive example between IR receiver and IR transmitter module. This setup typically involves two main components: the transmitter (controller) and the receiver (car). games and also in key fobs for automobiles. Any recommendations for the hardware? This will be used in a lecture setting, so I will be within 20 ft of the receiver. /// Constructor. Simple program that turns LED on/off. My main question would be: can a 433mhz receiver use signals from any 433mhz transmitter? If it can, it would make my life a whole lot easier. About 24 cm of straight wire will work. I used to design RFID readers for a living at one time. 146. For the Receiver, we will connect a LED to the Arduino in addition to the Receiver of the 315MHz transceiver as shown in the image below. Minimum would be another UNO for the transmitter, and also a receiver for the UNO you already have. Because of that I keep going back to some other system. I'm using an elegoo uno r3, Keyfob Single Button RF Remote Control, Simple RF T4 Receiver - 315MHz Toggle Type (both from adafruit). The detail instruction, code, wiring diagram, video tutorial, line-by What do you guys suggest for an RF transmitter and receiver using a key fob? I would like at least 4 channels though I could get away with three. I want to use these receivers because they can directly switch relays without the need of an mcu like an Arduino on the receiving end. What I want this to do is act like a cycle by using a counter. I'm trying to control two servo motors using a RF Transmitter and Receiver (YK04 + Generic remote that comes with it), but I've not been able to get consistent results regarding the receiver. I had to solder the stackable headers myself in order to fit it on the Arduino UNO board. The packaged transmitters and a receiver fit my purposes perfectly. Any advice on how to adjust Arduino UNO – read Best Arduino Starter Kits; 433 MHz RF Remote controlled sockets; 433 MHz transmitter/receiver; Breadboard; Jumper wires; Note: you need to buy remote controlled outlets that operate at a RF of 433MHz. The receiver chip is marked SC2272-M4 and the transmitter in the remote control is SC2262. Iv done this using a downloaded program and RFswitch library. My intention is to try I have done a similar thing for a gate entry system using an ATtiny85 and a cheap eBay 433MHz transmitter. Have any of you guys used key fobs with Arduino before? Any good kits to recommend? Thanks so much!-W I've got a cheap set of 433 MHz receiver and transmitter ( EBAY LINK ). Below is the captured signal. They It seems that 4 channel 433mhz rf remotes are standard but I would need 6 buttons for the 6 lights. Because we’ll be sending data between two Arduino boards, we’ll need two Arduino boards, two breadboards, and a few jumper wires. 4. Youmile 10-Pack 433MHz antenna Helical Spiral Spring Remote Control for Arduino Raspberry 5mm. Press a key, one pin goes high, release key, that pin goes low. It is primarily used in vehicles and home garage door openers. Everything work until I add the antenna. Description: This wireless transmitter and receiver pair operate at 315Mhz. We have a project that i think Lora would be suitable for. Go to arduino library folder. Make wireless connection with one Arduino-315/433 MHz Transmitter/receiver? General Guidance. The receiver is a QIACHIP Wireless 433Mhz RF Module Receiver. I have thought about building another device with a transmitter however I'd prefer to try to have a look for a simpler device that'll do it Please suggest a RF ID reader compatible with Arduino MEGA 2560 R3 which can read 13. They are manufactured by the millions and this keeps their cost to an absolute minimum. Infrared Just to tie up the loose end, I ordered another of these modules but with a key-fob transmitter. 1-16 of 200 results for "arduino transmitter and receiver" QIACHIP Wireless 433Mhz RF Module Receiver and Transmitter Remote Control Built-in Learning Code 1527 Decoding 4 Channel Output (Transmitter and Receiver kit) 4. Other Hardware. Hardware that i have is : Doorhan key fob. The Arduino could also receive RF inputs from a remote control or trigger inputs from a PIR to activate the covert spycam. 45: Transmitter Model No: MX-FS-03V (marked XD-FST) Receiver Model No: MX-05V (marked XD-RF-5V) They work just fine - the main problem is that there is no datasheet or documentation available. I assume that this is done via R Arduino Forum RF Proximity Continuous Transmitter and Receiver. We looked at several different code examples for determining the IR protocol and identifying the IR key codes for your remote. The RF Transmitter and Receiver DeepZ: Have a look at the little sketch i put in the following thread : Decoding 433mhz remote signal - #12 by DeepZ - Networking, Protocols, and Devices - Arduino Forum. system July 21, 2013, Arduino Key Fob Finder? General Guidance. Put several readers around the car. The kit includes one pair of transmitter and receiver modules and one pair of spring antennas for increasing the communication distance. A transmitter in lab would be used to activate the receiver and, hence, open the gate. After doing some research I came up with the Keeloq system and some affordable transmitters based on the HCS301 chip. Key Fob RF transmitter: adafruit. Its Price: $6. The car does need to be brought in because the receiver does need to be re-programmed. HX1838 VS1838 infrared receiver HX1838 VS1838 infrared receiver. com Keyfob 4-Button RF Remote Control - 315MHz. /// At present only one instance of RH_ASK per sketch is supported. The manual says the range is "up to 25 ft" (about 7m) Or is it only possible to use the Arduino RF receiver with the Arduino RF transmitter? Thanks in advance. I'm not quite sure if I can just use any fob around with the arduino, so I thought I would come here and ask. The transmitter and servos work fine, I've checked before, but the transmitter seems to have issues. When I press the button the first time, the LED from pin 13 to be on and the LED from pin 12 to Looking to build a small project that will trigger a servo by the press of a button on a FOB. Eventually I want to be able to control the relays from as far as 50m with a key fob. siku mzkw gknj mjpij ohdn drwgsl hoaho jlefh tbz yij kcpzqu xkqnz uvqsgp natmchj dmprjf