Jetson Orin Nano AI Development Kit For Embedded And Edge Systems, Options for 4GB/8GB Memory Jetson Orin Nano ModuleJETSON-ORIN-NANO-DEV-KITWaveshare Jetson Orin Nano Dev KitNewly upgraded performance and increased computing powerThis is not the N-VIDIA official Developer KitBased on Jetson Orin Nano Module, with JETSON-ORIN-IO-BASE base board, providing rich peripheral interfaces such as M.2, DP, USB, etc., which is more convenient for users to realize the product performance. This kit includes the Orin Nano Module with options for 4GB / 8GB memory, no built-in storage module, provides up to 20 TOPS / 40 TOPS AI performance, and up to 34 TOPS / 67 TOPS after upgrading to the SUPER version. Comes with a Free 256GB NVMe Solid State Drive, high-speed reading/writing, meet the needs of large AI project development.* for reference only, the actual appearance of the Solid State Drive may be differentThis kit also comes with a pre-installed dual-band wireless network card that supports Bluetooth 5.0 and dual-band WIFI, with two additional PCB antennas, for providing high-speed and reliable wireless network connection and Bluetooth communication.*please refer to the package content for detailed part list, the NVMe Solid State Drive and wireless network card are NOT included in the JETSON-ORIN-NANO-4G/8G-BASE-KITModule4GB4GB***SUPER8GB8GB***SUPERVersion4GB ModuleWaveshare Kit4GB ModuleWaveshare Kit8GB ModuleWaveshare Kit8GB ModuleWaveshare KitOfficial KitAI performance20TOPS34 TOPS (sparse) 17 TOPS (dense)40TOPS67 TOPS (sparse) 33 TOPS (dense)GPU512-core N-VIDIA Ampere architecture GPU with 16 Tensor Cores1024-core N-VIDIA Ampere architecture GPU with 32 Tensor CoresGPU Frequency625MHz (Max)1020MHz (Max)625MHz (Max)1020MHz (Max)CPU6-core Arm® Cortex®-A78AE v8.2 64-bit CPU, 1.5MB L2 + 4MB L3CPU Frequency1.5GHz (Max)1.7GHz (Max)1.5GHz (Max)1.7GHz (Max)Memory4GB 64-bit LPDDR5, 32GB/s4GB 64-bit LPDDR5, 51GB/s8GB 128-bit LPDDR5, 68GB/s8GB 128-bit LPDDR5, 102GB/sStorageSupports external NVMe256GB NVMe Solid State DriveSupports external NVMe256GB NVMe Solid State DriveSupports external NVMe256GB NVMe Solid State DriveSupports external NVMe256GB NVMe Solid State DriveTF card slot & external NVMe via M.2 Key MPower7W ~ 10W7 W | 10 W | 15W7W ~ 15W7 W | 10 W | 15WPCIe*1 x4 + 3 x1 (PCIe 3.0, Root Port & Endpoint)M.2 Key M slot with x4 PCIe Gen3/ M.2 Key M slot with x2 PCIe Gen3/ M.2 Key E slot1 x4 + 3 x1 (PCIe 3.0, Root Port & Endpoint)M.2 Key M slot with x4 PCIe Gen3/ M.2 Key M slot with x2 PCIe Gen3/ M.2 Key E slot1 x4 + 3 x1 (PCIe Gen3, Root Port & Endpoint)M.2 Key M slot with x4 PCIe Gen3/ M.2 Key M slot with x2 PCIe Gen3/ M.2 Key E slot1 x4 + 3 x1 (PCIe Gen3, Root Port & Endpoint)M.2 Key M slot with x4 PCIe Gen3/ M.2 Key M slot with x2 PCIe Gen3/ M.2 Key E slotUSB*3x USB 3.2 2.0 (10 Gbps) 3x USB 2.0USB Type-A: 4x USB 3.2 Gen2/ USB Type-C (UFP)3x USB 3.2 2.0 (10 Gbps) 3x USB 2.0USB Type-A: 4x USB 3.2 Gen2/ USB Type-C (UFP)3x USB 3.2 2.0 (10 Gbps) 3x USB 2.0USB Type-A: 4x USB 3.2 Gen2/ USB Type-C (UFP)3x USB 3.2 2.0 (10 Gbps) 3x USB 2.0USB Type-A: 4x USB 3.2 Gen2/ USB Type-C (UFP)CSI CameraUp to 4 cameras (8 via virtual channels**)/ 8 lanes MIPI CSI-2/ D-PHY 1.2 (up to 20 Gbps)2x MIPI CSI-2 Camera ConnectorUp to 4 cameras (8 via virtual channels**)/ 8 lanes MIPI CSI-2/ D-PHY 1.2 (up to 20 Gbps)2x MIPI CSI-2 Camera ConnectorUp to 4 cameras (8 via virtual channels**)/ 8 lanes MIPI CSI-2/ D-PHY 1.2 (up to 20 Gbps)2x MIPI CSI-2 Camera ConnectorUp to 4 cameras (8 via virtual channels**)/ 8 lanes MIPI CSI-2/ D-PHY 1.2 (up to 20 Gbps)2x MIPI CSI-2 Camera ConnectorVideo encode1080p30 supported by 1-2 CPU coresVideo decode1x 4K60 (H.265) 2x 4K30 (H.265) 5x 1080p60 (H.265) 11x 1080p30 (H.265)Display1x 8K30 multi-mode DP 1.4a (+MST)/eDP 1.4a/HDMI 2.11x DisplayPort 1.2 (+MST) connector1x 8K30 multi-mode DP 1.4a (+MST)/eDP 1.4a/HDMI 2.11x DisplayPort 1.2 (+MST) connector1x 8K30 multi-mode DP 1.4a (+MST)/eDP 1.4a/HDMI 2.11x DisplayPort 1.2 (+MST) connector1x 8K30 multi-mode DP 1.4a (+MST)/eDP 1.4a/HDMI 2.11x DisplayPort 1.2 (+MST) connectorOther3x UART, 2x SPI, 2x I2S, 4x I2C, 1x CAN, DMIC & DSPK, PWM, GPIO40-Pin Expansion Header(UART, SPI, I2S, I2C, GPIO), 12-pin button header, 4-pin fan header, DC power jack3x UART, 2x SPI, 2x I2S, 4x I2C, 1x CAN, DMIC & DSPK, PWM, GPIO40-Pin Expansion Header(UART, SPI, I2S, I2C, GPIO), 12-pin button header, 4-pin fan header, DC power jack3x UART, 2x SPI, 2x I2S, 4x I2C, 1x CAN, DMIC & DSPK, PWM, GPIO40-Pin Expansion Header(UART, SPI, I2S, I2C, GPIO), 12-pin button header, 4-pin fan header, DC power jack3x UART, 2x SPI, 2x I2S, 4x I2C, 1x CAN, DMIC & DSPK, PWM, GPIO40-Pin Expansion Header(UART, SPI, I2S, I2C, GPIO), 12-pin button header, 4-pin fan header, DC power jack40-Pin Expansion Header(UART, SPI, I2S, I2C, GPIO), 12-pin button header, 4-pin fan header, TF card slot, DC power jackNetworking1x GbE1x GbE Connector1x GbE1x GbE Connector1x GbE1x GbE Connector1x GbE1x GbE ConnectorDimensions69.6 mm x 45 mm 260-pin SO-DIMM connector103 × 90.5 × 34mm69.6 mm x 45 mm 260-pin SO-DIMM connector103 × 90.5 × 34mm69.6 mm x 45 mm 260-pin SO-DIMM connector103 × 90.5 × 34mm69.6 mm x 45 mm 260-pin SO-DIMM connector103 × 90.5 × 34mm100 mm x 79 mmx 21 mm* USB 3.2, MGBE, and PCIe share UPHY Lanes. See the Product Design Guide for supported UPHY configurations. ** Virtual Channels for Jetson Orin Nano are subject to change Refer to the Software Features section of the latest NVIDIA Jetson Linux Developer Guide for a list of supported features. *** Official kit: supports software upgrade to SUPER image, provides SUPER upgrade tutorial in the wiki (jetpack 6.1.1 can support upgrading SUPER version); *** Orin Nano Module and Waveshare kit: supports upgrading to SUPER image, provides SUPER upgrade tutorial in the wiki (jetpack 6.2 can support upgrading SUPER version);Kit Selection GuideKitBasic KitDev KitABJETSON-ORIN-NANO-BASE-KIT(Orin Nano Module: options for 4GB/8GB)√JETSON-ORIN-NANO-DEV-KIT(Orin Nano Module: options for 4GB/8GB)√√√Built-in Solid State Drive + wireless network card√√√8MP IMX219-77 Camera√√13.3inch HDMI LCD (H) (with case) V2(USB cable, DP to HDMI cable, power supply)√JETSON-ORIN-NANO-BASE-KITIncludesJetson Orin Nano module (options for 4GB/8GB), JETSON-ORIN-IO-BASE base board, and cooling fan. The 256GB NVMe Solid State Drive and wireless network card are NOT included in the kit.JETSON-ORIN-NANO-DEV-KITIncludesJetson Orin Nano module (options for 4GB/8GB), JETSON-ORIN-IO-BASE base board, cooling fan, 256GB NVMe Solid State Drive, AW-CB375NF dual-band wireless network card, USB cable, Ethernet cable, Power supply, etc.JETSON-ORIN-NANO-DEV-KIT-A: Camera kitOn the basis of the JETSON-ORIN-NANO-DEV-KIT, it is equipped with an 8MP (3280 x 2464) high-definition camera, suitable for the AI intelligent applications such as face recognition, road sign recognition and license plate recognition.JETSON-ORIN-NANO-DEV-KIT-B: Camera + Touch display kitOn the basis of the Kit A, it is equipped 13.3inch Capacitive Touch Screen LCD (with case), 1920×1080 resolution, up to 10-point touch, built-in ferrite Hi-Fi speaker. It can display the images taken by the camera in real time, to achieve more human-computer interaction of artificial intelligence operations.Onboard ResourcesProfessional application software and modelsN-VIDIA SoftwareAll N-VIDIA Jetson modules and developer kits are supported by the same N-VIDIA Jetson software stack, so you can develop once and deploy everywhere. Jetson software is designed to provide end-to-end acceleration for AI applications and accelerate the time to market. This brings the powerful N-VIDIA technologies that power data centers and cloud deployments to the edge.Pretrained ModelsMany AI applications have common needs: classification, object detection, language translation, text-to-speech, recommender engines, sentiment analysis, and more. Pretrained models from the NGC™ catalog are performance-optimized and ready to be fine-tuned with the N-VIDIA TAO Toolkit and customer datasets, reducing time and cost for production AI software development.N-VIDIA Platforms for Robotics, AI Speech, and Smart CitiesN-VIDIA software platforms including Isaac for robotics, Riva for AI speech, and Metropolis for video analytics, are available to speed vertical-specific applicationsN-VIDIA IsaacRobots improve efficiency and quality of life in industries such as manufacturing, logistics, healthcare, and service. N-VIDIA Isaac™ accelerates the process with enhanced robotics development, simulation, and deployment.N-VIDIA RivaN-VIDIA Riva is a fully accelerated SDK for building multimodal conversational AI applications using an end-to-end deep-learning pipeline, suitable for optimized skills in speech, vision, and natural language processing (NLP) tasks.N-VIDIA MetropolisN-VIDIA Metropolis includes an application framework, s set of developer tools, and the partner ecosystem. It brings visual data and AI together to improve operational efficiency and safety across a broad range of industries.Product ShowOutline dimensionsResources & ServicesWiki:www.waveshare.com/wiki/Jetson_Orin_NanoSelection GuideModelModuleDeveloper KitJetson AGX Orin2048-core N-VIDIA Ampere architecture GPU with 64 Tensor Cores110×110×71.65mmOfficial Kit: 64GBJetson Orin Nano512/1024-core N-VIDIA Ampere architecture GPU with 16/32 Tensor CoresMemory: 4GB / 8GB69.6×45mm260-pin SO-DIMM connector100×79×21mmOfficial Kit100×79×21mmOfficial Super Kit103×90.5×34mmWaveshare Kit: 4GB / 8GB103×90.5×34mmWaveshare Dual ETH Kit: 4GB / 8GBJetson Orin NX1024-core NVIDIA Ampere architecture GPU with 32 Tensor CoresMemory: 8GB / 16GB69.6×45mm260-pin SO-DIMM connector103×90.5×34mmWaveshare Kit: 8GB / 16GB103×90.5×34mmWaveshare Dual ETH Kit: 8GB / 16GBNote: some models haven't been released yet, please contact the Waveshare service team if you need them.LieferumfangJETSON-ORIN-NANO-BASE-KITJETSON-ORIN-IO-BASE x1OPTIONS Jetson Orin Nano module x1Cooling fan + accessories x1Screws pack x1JETSON-ORIN-NANO-DEV-KITWaveshare Orin Nano development kit:OPTIONS Jetson Orin Nano Module x1JETSON-ORIN-IO-BASE x1 Cooling fan x1 256GB NVMe Solid State Drive (assembled) x1Wireless network card (assembled) x1USB Type A to Type-C cable (~1m) x1Ethernet cable (~1.5m) x1Jumper x1OPTIONS Power adapter x1JETSON-ORIN-NANO-DEV-KIT-AWaveshare Orin Nano development kit:OPTIONS Jetson Orin Nano Module x1JETSON-ORIN-IO-BASE x1 Cooling fan x1 256GB NVMe Solid State Drive (assembled) x1Wireless network card (assembled) x1USB Type A to Type-C cable (~1m) x1Ethernet cable (~1.5m) x1Jumper x1OPTIONS Power adapter x1IMX219-77 Camera (with FFC cable) x1Camera FPC cable ~15cm (2PCS) x1JETSON-ORIN-NANO-DEV-KIT-BWaveshare Orin Nano development kit:OPTIONS Jetson Orin Nano Module x1JETSON-ORIN-IO-BASE x1 Cooling fan x1 256GB NVMe Solid State Drive (assembled) x1Wireless network card (assembled) x1USB Type A to Type-C cable (~1m) x1Ethernet cable (~1.5m) x1Jumper x1OPTIONS Base board power adapter x1Camera FPC cable ~15cm (2PCS) x1IMX219-77 Camera (with FFC cable) x113.3inch HDMI LCD (H) (with case) V2 x1Display power supply x1USB Type A to Micro B cable (~35cm) x1DP to HDMI cable ~1m x1

Luckfox Lyra Zero W Micro Linux Development Board Based On RK3506B Chip, Integrated With Triple-core Arm Cortex-A7 And Arm Cortex-M0 ProcessorsLuckfox Lyra Zero WLuckfox Lyra Zero W is a Linux micro development board powered by the Rockchip RK3506B to provide a simple and efficient development platform for developers. Onboard multiple high-speed interfaces including MIPI DSI, SDMMC, USB, etc. to meet various application scenarios. The low-speed interfaces utilize Rockchip Matrix IO design which supports multiplexing 98 function signals on GPIO pins, allows for flexible configuration of interfaces like PWM, UART, I2C, SPI, and I2S for quick development and debugging. Integrated wireless communication module, suitable for IoT communication scenarios such as smart home and industrial control.SpecificationsModelLuckfox Lyra Zero WProcessorTriple-core Arm Cortex-A7 (1.2GHz) + Arm Cortex-M0MemoryOnboard 512MB DDR3LUSBOriginal USB OTG 2.0 × 1 HUB expanded USB HOST 2.0 × 2Display InterfaceMIPI DSI 2-laneGPIO28 × Rockchip Matrix IO pinsDefault StorageSPI NAND FLASH (256MB)Wireless communicationOnboard 2.4GHz Wi-Fi 6 / Bluetooth 5.2 / BLEHighly integrated and powerful performanceTriple-core ARM Cortex-A7 32-bit core, with integrated VFP to support single-precision and double-precision floating-point operationsBuilt-in ARM Cortex-M0 MCU design, supports SMP and AMP configurationSupports DDR3L memory interface expansion, meeting various expansion needsThe low-speed interfaces adopt Rockchip Matrix IO design, which allows rich function signals to share the limited chip pins, making peripheral circuit adaptation more flexibleSupports multiple audio inputs and outputs, providing high-quality audio playback and recording functionsEasier to develop Integrated TF card slot, DSI interface, USB-C HOST port, and MX1.25 USB HOST header WiFi 6 and Bluetooth module Onboard 2.4GHz WiFi 6 and Bluetooth 5.2/BLE Module, Providing Stable Connection And Efficient Transmission Antenna SwitchingFlexible Switching Between External Antenna and Onboard Antenna to meet more usage scenariosMIPI DSI 2-lane interface Compact size, powerful performance, easy to drive large screens * for reference only, please refer to the Package Content for the detailed part list. The display resolution of the above LCD is 800 × 1280, Supports up to 1280 × 1280 @ 60Hz resolution. Rockchip Matrix IO DesignThe Rockchip Matrix IO supports 98 multiplexed functions and allows flexible pinout configurationSuitable for more application scenariosPin definitionWhat's On BoardUSB-C OTG0 port for power supply and program burningUSER-LEDfor indicating system operation status in the default image USB-C HOST port for connecting USB peripheralsRESET buttonBOOT button Press it when powering on or resetting to enter download modeAntenna connectorOnboard antennaDSI display interfaceMIPI DSI 2-lane512MB DDR3LRK3506BMulti-core heterogeneous SoC with built-in Triple-core ARM Cortex-A7 + ARM Cortex-M0Wi-Fi / Bluetooth module 2.4G Wi-Fi 6 / Bluetooth 5.2 / BLE moduleMX1.24 4P header can be converted to USB-A HOST port or used for LCD screen power inputTF card slot40PIN GPIO headerCompatible with some Raspberry Pi HATsUSB HUB chipPMIC3-ch power management ICW25N02KV256MB SLC NAND FLASHoutline dimensionsLuckfox Lyra Product SelectionPRODUCTMain chipMemoryDSIUSBDefault StorageFEATURES Luckfox LyraRK3506G2128MB DDR3L2-lane (1.5Gbps/lane)2 × USB OTGTF card (Not included)Multi-core heterogeneous CPU, compatible with Raspberry Pi DSI screens, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), ADC, reserved RMII interface, etc. Luckfox Lyra BSPI NAND FLASH (256MB) Luckfox Lyra PlusMulti-core heterogeneous CPU, compatible with Raspberry Pi DSI screens, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), ADC, 10M/100M Ethernet port, etc. Luckfox Lyra UltraRK3506B512MB DDR3LeMMC (8GB)Multi-core heterogeneous CPU, onboard DDR3L, compatible with Raspberry Pi DSI screens, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), ADC, 10M/100M Ethernet port, speaker header, RTC battery connector, etc. Luckfox Lyra Ultra WUSB OTG2.0 × 1, Extended USB HOST2.0 × 2 via HUBMulti-core heterogeneous CPU, onboard WiFi module and DDR3L, compatible with Raspberry Pi DSI screens, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), ADC, 10M/100M Ethernet port, speaker header, RTC battery connector, etc. Luckfox Lyra Zero WSPI NAND FLASH(256MB)Multi-core heterogeneous CPU, onboard WiFi module and DDR3L, compatible with Raspberry Pi DSI LCD, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), onboard antenna Core35060800USB OTG × 2-Multi-core heterogeneous CPU, onboard DDR3L, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), ADC and 10M/100M RMII, etc Core35060808eMMC (8GB) Luckfox Lyra Pi AUSB OTG2.0 × 1, Extended USB HOST2.0 × 3 via HUBMulti-core heterogeneous CPU, Onboard 4G module M.2 slot, DDR3L, compatible with Raspberry Pi DSI LCD, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), dual 10M/100M Ethernet ports, 3.5mm headphone/microphone jack, etc. Luckfox Lyra Pi A WMulti-core heterogeneous CPU, Onboard WiFi module, 4G module M.2 slot, DDR3L, compatible with Raspberry Pi DSI LCD, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), dual 10M/100M Ethernet ports, 3.5mm headphone/microphone jack, etc. Luckfox Lyra Pi BTF card (NOT included)Multi-core heterogeneous CPU, Onboard 4G module M.2 slot, DDR3L, compatible with Raspberry Pi DSI LCD, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), dual 10M/100M Ethernet ports, 3.5mm headphone/microphone jack, TF card slot, etc. Luckfox Lyra Pi B WMulti-core heterogeneous CPU, Onboard WiFi module, 4G module M.2 slot, DDR3L, compatible with Raspberry Pi DSI LCD, RM_IO support (multiplexing PWM, UART, I2C, SPI, CAN and other function signals), dual 10M/100M Ethernet ports, 3.5mm headphone/microphone jack, TF card slot, etc.Certificate of AuthorizationResources & ServicesWiki:https://wiki.luckfox.com/Luckfox-Lyra-Zero-WLieferumfangLuckfox Lyra Zero W × 1

Luckfox PicoKVM Lightweight IP KVM Remote Management Tool, Supports 1920 × 1080@60fps HDMI Video Input and HID Signal Output for Device ControlLuckfox PicoKVMVersion optionsLuckfox PicoKVM Full version (with metal case and 1.54inch touch display) Luckfox PicoKVM Base Basic version Luckfox PicoKVM Kit Luckfox PicoKVM (with metal case and 1.54inch touch display) + Luckfox PicoKVM Ext Power Management Expansion Board Features The Luckfox PicoKVM is a lightweight IP KVM management tool, supports real-time video capture and HID input simulation over the network, enabling touch-free operation of development boards, PCs, and servers. This product offers stable, low-latency video capture and remote control capabilities, widely suitable for scenarios such as remote PC control and server maintenance. Key Features:OnboardHDMI input interface: recognized by PC as a display for video captureOnboardUSB port: Supports simulation of mouse, keyboard, and USB storage devicesOnboard100Mbps Ethernet port: for video and control signal transmission1.54inch touch display: for displaying IP address, connection status, and system operating statusTF card slot: supports storage expansionI/O expansion interface: for host power ON/OFF controlSpecificationsProductLuckfox PicoKVMProcessorRV1106G3Core1 × A7@1.2GMemory256M DDR3Storage8G eMMCSystemPicoKVMResolution1080P@60fpsVideo EncodingH264Video Latency80ms ~ 200msAudio Transmission√UEFI / BIOS Support√USB Keyboard & Mouse Emulation√USB Storage Emulation√UEFI / BIOS Scope√Wake-on-LAN (WOL)√Web Terminal√Custom Script√Serial Terminal1-ChStorage ExpansionTF cardPower ControlGPIO controlEthernet100MbpsLCD Display1.54inch 240 × 240 touch display (Only included in the Luckfox PicoKVM full version)Power InputType-COutline DimensionLuckfox PicoKVM: 48.50 × 48.50 × 29.00 (mm)Luckfox PicoKVM Base: 44.00 × 42.00 × 23.60 (mm)Comparison with Commercial Remote Control SoftwareRemote Power ControlEnables Physical-Level Remote Power Control with Luckfox PicoKVM Ext Expansion Board* for reference only, the above host board is NOT included. Please purchase the Luckfox PicoKVM Ext Expansion Board separately or choose the Luckfox PicoKVM Kit. Function DemonstrationsWhat's On BoardHDMI IN interface for connecting to the HDMI output interface of the controlled hostI/O expansion interfaceUSB Type-C port for power supply, simulating HID/UMS devices, and programming10/100Mbps RJ45 Ethernet port with indicator1.54inch touch LCDBOOT button press it when powering on or resetting to enter download modeRESET buttonTF card slotPin definitionoutline dimensionsLuckfox PicoKVMLuckfox PicoKVM BaseLuckfox PicoKVM Ext Expansion BoardCertificate of AuthorizationResources & ServicesWiki:https://wiki.luckfox.com/Luckfox-PicoKVMLieferumfangLuckfox PicoKVMLuckfox PicoKVM x1Type-C extension cable with auxiliary power supply ~175mm x1 1 2 Luckfox PicoKVM BaseLuckfox PicoKVM Base x1Luckfox PicoKVM KitLuckfox PicoKVM x1Luckfox PicoKVM Ext x1Type-C extension cable with auxiliary power supply ~175mm x1Motherboard USB extension 9PIN cable x1Motherboard panel extension 9PIN cable x1SH1.0 10PIN cable ~1m x1 1 2 3 4 5 6