Jetson nano uart pins. Also by default, all other pins (except power) are assigned as GPIO. My current wiring: Pin 4 (5V) → Mega 5V Pin 6 (GND) → Mega GND Pin 8 (Jetson TX) → Mega RX Pin 10 (Jetson RX) → Mega TX I just realized Jetson’s UART is 1. Jetson Nano Developer Kit is ideal for deep learning and AI applications, and it comes with a 40-pin GPIO header, that can be used for microcontroller level tasks similar to that of a Raspberry Pi board. Hi there, I need to 2 seperate UART lines but I found only one. The NVIDIA Jetson Linux Developer Guide provides documentation on board automation for Jetson AGX Orin and Jetson Orin Nano developer kits. Here is a tutorial about using UART on Jetson Nano. Jetson nano gpio pins 説明 i2c x2, 2pins each, scl, sda uart x1, 4pins, txd,rxd,rts,cts pcm/audio/i2s 5pins in,out,sclk,fs,mclk spi x2 , 5pins each, cs0/1,mosi,miso,sck LCD TE x1, lcd bl pwm x1 cam af en x1pin gpio x2 3. From a Terminal, clone the repository: By default, all interface signal pins are configured as GPIOs, except those supporting I2C and UART Jetson. For that I need to make use of the UART in the J41. Hello, i have problem with reading data via UART from my jetson nano board. However, is it possible to use, say, the UART pins as GPIO? Thank you! (And which seems too much of a hassle) on the 40 pin J41 header. Jetson Nano - UART - JetsonHacks The UART on the NVIDIA Jetson Nano Developer Kit GPIO Header is simple to use, but there is a trick you should know before starting. 3v x2, 5v x2, gnd x8 subtotal 40pins default config Pin 3,5 i2c1 sda, scl Pin 27,2… Hi everyone! I’m trying to connect a Jetson Nano Orin (developer kit) with a Pixhawk Cube Orange running Ardupilot through UART port. If you don't want to plug in external hardware to the Jetson Nano you can use the built in UART on the RX/TX pins. Formal signal Apr 25, 2025 · I am looking for a complete list of pin names and functions to make a custom 40 pin header map. com/n The NVIDIA® Jetson AGX Orin™ developer kit carrier boards have a micro USB port, and the NVIDIA® Jetson Orin™ Nano developer kit carrier boards expose 12 pins from J14 that you can use for board automation and UART debug output. Unlike the Raspberry Pi, the Jetson Nano isn't using the RX/TX pins for a console, those are on a different UART peripheral, so you should be good to go! Jetson Nano Pin Descriptions And Design Checklist Chapter 14. I’m having a hard time finding resources about the Serial Ports on these board. Jetson Orin Nano accessories play a vital role in ensuring stable performance, especially with features like efficient cooling, solid-port retention, and rugged durability suitable for demanding real-world operations. Hi all, I’m currently working with the Jetson TX2 and the Jetson Nano. Make sure that the Nano is disconnected from any power source and wire: Jetson Nano J41 Pin 8 (TXD) → Cable RXD (White Wire) Jetson Nano J41 Pin 10 (RXD) → Cable TXD (Green Wire) Jetson Nano J4 Pin 6 (GND) → Cable GND (Black Wire) Note: The color of the wires on your cable may be different. Contribute to MathieuBahin/JetsonNanoUart development by creating an account on GitHub. Ran SDK Manager flash; it repeatedly gets stuck at “Waiting for target to boot-up…” and ends with timeout: if you ever feel the need to know the SoM pin to tty in software on hopefully all 260-Pin SO-DIMM Jetsons. 10 pins. I’m using the ports for Tx (pin8) and Rx (pin10) that correspond to the UART “/dev/ttyTHS0”. All other pins (except power and ground) are assigned as GPIO. Result: no serial output during power cycle / flashing. Note: References to Jetson Orin NX or Jetson Orin Nano apply to any of the Jetson Orin NX series or Jetson Orin Nano series of modules respectively. Uncover the capabilities of this developer board with in-depth pin configuration and usage information. How do I test the ttyTSH2 on the Jatson Nano dev kit and how do I get access the the pins for this uart device. The silkscreen has been fixed in later versions. I followed the instruction in Jetson Nano - UART - JetsonHacks . Board Automation The NVIDIA® Jetson AGX Xavier™ and NVIDIA® Jetson AGX Orin™ developer kit carrier boards have a micro USB port, and the NVIDIA® Jetson Orin™ Nano developer kit carrier boards expose 12 pins from J14 that you can use for board automation and UART debug output. Jetson-IO can be used to reconfigure pin functions, e. Those pins are labeled as RX and TX on the back side of the board, as shown in the next figure in section 11 of connectors. Explore the pinout diagram and technical details of the Nvidia Jetson Nano. veeraghanta, What’s the carrier board in use for your Orin NX? and the current Jetpack version? Have your referred to the following instruction to enable uart through pinmux spreadsheet? Jetson Orin NX and Nano Series — Changing the Pinmux Customizing the Jetson Nano 40-pin Expansion Header The Jetson Nano Developer Kit carrier board includes a 40-pin expansion header. , GPS External Antenna (B) x1 4. Thanks Pinouts for the Jetson TX1 and Jetson TX2 Development Kits. I haven’t read about it’s use, nor could I find any buyable hardware to make it accessible. Always use appropriate anti-static and grounding techniques when working with the system. When I looked at the Jetson Nano 4GB board, I saw 2 UART lines. Join NVIDIA Certification experts, certified professionals, and NVIDIA recruiters on January 23 for practical exam preparation tips and the advantages of certification. I need to use J41 UART port pins 8 and 10, which is must be set to /dev/ttyTHS1 But there is no any output on this device: sudo sh -c 'cat < /dev/ttyTHS1' To check that the device is detected i connected it to J44 pins, which are set on /dev Jetson (Orin) Nanoにシリアルでやりとりするデバイスをぶら下げる場合，USBシリアルのアダプタは必ずしも必要ではありません．GPIOヘッダを流用するならば． まずはGPIOヘッダのUART用ピンの確認から． https://jetsonhacks. Is there an Nvidia resource center for this? What I need to find: The serial ports exposed to the user. , RPi screws pack (2pcs) x1 Features Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi Learn how to use the GPIO pins on a Jetson Nano developer kit and how to interface them to different components! Jetson Orin Nano/ Nano Super Expansion Header J12 Pinout By default, I2C and UART pins are assigned. 8 and J41. GPIO Support on Jetson Nano Developer Kit The Jetson Nano Developer Kit has the j41 expansion header with pins similar to the Rasberry Pi. Board Automation ¶ The NVIDIA® Jetson AGX Xavier™ and NVIDIA® Jetson AGX Orin™ developer kit carrier boards have a micro USB port, and the NVIDIA® Jetson Orin™ Nano developer kit carrier boards expose 12 pins from J14 that you can use for board automation and UART debug output. . As a sanity check I was trying to use an Arduino Uno to read/write to Jetson Nano. Here as well, a console is started upon startup, but this can be switched off easily (see e. By default, all interface signal pins are configured as GPIO inputs, except pins 3 and 5 and pins 27 and 28, which are I2C SDA and SCL, and pins 8 and 10, which are UART TX and RX. Hi, as part of a university robotics project I am required to communicate between a Jetson Nano and some kind of microcontroller (to be used for 5+ PWM channels) over UART on pins 8 and 10 on the 40 Pin header. I’m finding blogs mentioning the available serial ports, but I’m not getting the full details on this. Jan 12, 2023 · The Jetson Nano J41 pins are also silkscreened on the underside of the board. Creating a Connection Cable Hi all, I’m using a Jetson Orin Nano Super and want to connect it via UART to an Arduino Mega 2560. Perfect for students, hobbyists, and developers integrating the jetson nano B01 into their circuits. As per the datasheet (attached), there aren’t 9 pins labeled directly GPIO. , USB type A plug to micro plug cable x2 5. Attempted serial debugging using a CP2102 USB-UART (/dev/ttyUSB0) at 115200 8N1, no flow control, wired to the carrier header pins labeled UART RXD / UART TXD / GND. , 1. Pinout diagram for J41 expansion header on Jetson Nano developer kit All except the I2C communication pins on the header are directly connected to the Jetson Nano module. You just have to connect the TX, RX, and ground of your TTL adapter to the respective pins available in the board. Hi I am going to use UART on Jetson nano to communicate with other MCU. Added color coding. All it takes is a magic wire! The Jetson Orin Nano developer board contains ESD-sensitive parts. Jetson Nano - UART - JetsonHacks) on the M2 key, below the jetson nano GPU module. I found this tutorial, which also provides some code examples on how to make it work. I tried to communciate my Jetson Nano with an Arduino Uno clone and send AT commands over UART with pins 8-10. 8 V logic while Mega is 5 V logic. Questions: Are Jetson’s GPIO UART pins 5V-tolerant? What’s the safest way to connect these the Jetson nano dev kit does not have J50 connetor. , from GPIO to SFIO (Special Function I/O) such as I2C, I2S, etc . py --master=/dev/ttyTHS0 --baudrate=115200”. NVIDIA will not replace units that have been damaged due to ESD discharge. 3 volts Learn how to use the jetson nano B01 with detailed documentation, including pinouts, usage guides, and example projects. Baudrate: 300bps ~ 4Mbps (default: 115200bps) Package Content Note: the Raspberry Pi in the photo is NOT included. J21 is a 40 pin header on the Development Kit Here is a tutorial about using UART on Jetson Nano. UART0 Pin Configuration The correct pin configuration for UART0 on the Orin Nano module is not explicitly stated in the provided documentation. Then I use mavproxy to establish the communication with “sudo mavproxy. Note that when powering the Jetson Nano from the barrel jack socket, a shorting jumper needs to be placed on J48. Please Like, Share and Subscribe! 0:23 - Wiring2: FINALLY SOLVED: apparently on newer versions pins 8/10, it has become ttyTHS1 Also most pinout diagrams are shown 180 degree wrong pin 2 is NOT on the top right corner trying to use /dev/tty/THS0 for doing serial comm (expansion pins UART1_TX (pin8) _RX(pin10) ), but the port does not show up for python (gives no such. Ensure that the RX and TX pins are correctly connected between the two devices. I did the test below, it does not work: Plug an USB to serial port converter to my PC where putty is running at serial port 115200, 8, 0, 1, 0. After wiring, it should looks something like this: Jetson Nano UART on J41 Software On the JetsonHacksNano account on Github, there is a repository UARTDemo. - jetson_tty. For a future project I’m planning to use Jetson nano as a companion computer to Ardupilot controller. Get your questions answered with a live Q&A. How to use UART in the 40 GPIO pins? Or where are the pins for ttyTCU0 ttyTHS0/1/4? Jetson Nano brings three UARTs out to the main connector, please refer to [Jetson Nano UART Pin Description] in Nano Product Design Guide to review the pin connections. I have gps module to read from, it works perfectly via serial usb adapter. blah blah. (The datasheet mentions 7 for Jetson Orin Nano Developer Kit carrier board includes two 22-position flex connectors to connect CSI camera modules. Note: Except for the power, ground, I2C and UART pins, the header pins are GPIO in the Jetson default configuration. Uart c++ class for Nvidia Jetson Nano. md 4 41 January 12, 2026 Uart works, but not with this module SIMcom A7670 Jetson Orin Nano uart , modem 9 52 February 3, 2026 Request to resolve UART debugging issues Jetson Orin Nano uart 41 141 January 5, 2026 Can you help me debug the serial port Jetson Orin Nano uart 6 59 January 5, 2026 Serial@3140000与serial@3100000配置 Jetson Orin NX Jetson Orin Nano Super Developer Kit The NVIDIA Jetson Orin™ Nano Super Developer Kit is a compact, powerful computer that redefines generative AI for small edge devices. Ardunio can send data to Jetson with no problem but when it comes to Jetson, some characters are being lost. Jetson Nano Pin Descriptions and Design Checklist The Jetson Nano pin description and design checklist are attached to this design guide. I'll be showing you how to setup MAVProxy to recieve and display these. Est. I am really looking to find a complete map of which pins and associated Learn how to use the Jetson nano with detailed documentation, including pinouts, usage guides, and example projects. Pins labeled with other functions below are suggested functions. One is under the heat-sink, the other is in the J41-pins header region. reading time: 4 minutes Regards. Why is the 2nd UART line not showing anywhere? Am I seeing it wrong? Hi akhil. Pins labeled with other functions are recommended functions if using a different device tree. Given that the UART in Jetson nano works at 3. Pin 1 is marked 1 Notes Last Edited: May 22, 2019 5-22-19 Add UART /dev/ttyTHS1 5-22-19 Add Rpi Spreadsheet helper (thanks Stephen Warren from NVIDIA!) 5-12-19 Add formal signal names. GPIO offers an easy way to control GPIO pins. It means that RX pin work correctly and TX pin has problem ? Hello, I am considering getting a Jetson Orin NX with the following carrier board: For my application, I would need around 9 GPIO pins. GPIO and Jetson-IO are already included in JetPack. Just slightly larger than the Jetson SODIMM module, ideal for vision applications, inference, and unmanned Since the Quark carrier board is compatible with the Nano, TX2 NX, and Xavier NX modules, users can seamlessly transition between modules depending on their AI processing requirements. I want to bring used features out to the header for software testing prior to a complete carrier module. g. The kits have a micro USB port and exposed pins for board automation and UART debug output. Failure to do so can result in ESD discharge to sensitive pins, and irreparably damage your Jetson Orin Nano board. When i sent a random number form PC’s terminal, my jetson nano can read exactly but in reverse data transfered from jetson to my terminal were scrambled. Both Jetson. To connect a CSI camera module with 15-pin connector like Raspberry Pi Camera Module v2, a 15-pin to 22-pin conversion cable is required. Priced at $249, it provides an affordable and accessible platform for developers, students, and makers, backed by NVIDIA AI software and a broad AI ecosystem. error),nor does the port show up a selection in a terminal app Here is the pinout for the J30 40 pin GPIO Header on the NVIDIA Jetson AGX Orin Developer Kit. J41 Expansion Header Pinout Jetson Nano GPIO Header PINOUT I2C and UART pins are assigned to that function by default. And it is able to receive data, but the Using UART Serial communication You can access the Orin Nano using a TTL USB to UART converter. By this end of this tutorial, you will have MAVLink messages arriving over the serial port. Various documents are provided to help customers design, lay out, build, and configure NVIDIA® JetsonTM module-based designs. I have read The Jetson Nano Developer Kit 40-Pin Expansion Header GPIO Usage Considerations, and other available questions. Perfect for students, hobbyists, and developers integrating the Jetson nano into their circuits. The I2C pins are The Serial Debug Console is the most basic way to be able to interface with your Jetson Nano & NX Style Developer Kit. Here’s a spreadsheet map to RPi to help. Perfect for students, hobbyists, and developers integrating the Jetson Orin Nano into their circuits. The pinout diagram below shows the different uses of the pins. Configuring the Jetson Expansion Headers # Each Jetson developer kit includes several expansion headers and connectors (collectively, “headers”): 40‑pin expansion header: Lets you connect a Jetson developer kit to off-the-shelf Raspberry Pi HATs (Hardware Attached on Top) such as Seeed Grove modules, SparkFun Qwiic products, and others. Any extra names in the Header Pinout refer to preferred usage if the user makes changes to the device tree and reassigns the pins. To access the attached files, click the Attachment icon on the left-hand toolbar on this PDF (using Adobe Acrobat Reader or Adobe Acrobat). Your definitive guide to Jetson Nano GPIO! This is currently a simple Python 3 script to interface with the UART on the J41 header of the NVIDIA Jetson Nano Developer Kit. Otherwise, the Developer Board expects power from micro USB. Learn how to use the Jetson Orin Nano with detailed documentation, including pinouts, usage guides, and example projects. The UART is on /dev/ttyTHS1. JetsonHacks – 11 Oct 19 Jetson Nano - UART - JetsonHacks The UART on the NVIDIA Jetson Nano Developer Kit GPIO Header is simple to use, but there is a trick you should know before starting. Here we hook up a TTL to Serial Cable to a Jetson Nano on the J41 Header and connect it to a Windows 10 PC. The pinout of the J41 Header is available on Video ini menjelaskan bagaimana cara mengakses pin UART untuk komunikasi data antar device menggunakan pin TX RX yang ada di Jetson nano dengan USB Serial TT The documentation doesn’t provide explicit instructions on how to enable UART0, but it does mention that the Jetson Orin Nano Series has a debug UART (UART2) that can be used for communication. I hope to connect a button to the 'ON' pins, and a shorting jumper across the DIS pins to disable auto-startup. connect 9 Pins serial port pin 2 (RX) to Jetson nano carry board 40 pins pin 8 (TX), serial port pin 3(TX) to carry board 40 pins pin 10 (RX), serial port pin 5 (GND) to carry This example demonstrates how to set up basic UART communication between an Arduino UNO and the Jetson Nano using the SoftwareSerial library. Raspberry Pi NVIDIA Jetson Nano For the Jetson Nano, I'm using the A203 Carrier board provided by Seeed Studio 👍 You can find a link to that here. May 22, 2019 · Jetson Nano J41 GPIO Pins – On this early board, note that pins labeled 6 & 8 should be 8 and 10. , SIM7600E 4G HAT x1 2. It might be helpful to follow the steps like tutorial. 3-25-19 – Preliminary. , LTE Antenna x1 3. acvrk, jdeu, z3enhp, h4f8d, au8oq, 2f1gz, 68clxl, is4h7o, mdryy4, nevhpp,