{"product_id":"eight-serial-ports-2-layer-stackable-hat-for-raspberry-pi","title":"Eight Serial Ports 2-Layer Stackable HAT for Raspberry Pi","description":"\u003cp\u003eThe latest versions of the \u003ca href=\"\/hi\/collections\/raspberry-pi-store\"\u003eRaspberry Pi\u003c\/a\u003e have up to four UART ports on the GPIO connector, but you cannot use them without a physical layer transceiver.\u003c\/p\u003e\n\u003cp\u003eThe Eight Serial Ports HAT uses all four ports of the Raspberry Pi, plus eight additional ports from two 32-bit ARM Cortex processors, to implement all the common serial ports in use today.\u003c\/p\u003e\n\u003cp\u003eThe processors talk to the Raspberry Pi using only the I2C port, with the hardware address selectable from a DIP switch. One LED for each port shows when the port is active.\u003c\/p\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThe card is compatible with Raspberry Pi versions from Raspberry Pi 3 to \u003ca href=\"\/hi\/products\/raspberry-pi-5\"\u003eRaspberry Pi 5\u003c\/a\u003e. Older versions of the Raspberry Pi might not have all four serial ports available on the GPIO connector.\u003c\/p\u003e\n\u003ch3\u003ePower Requirements\u003c\/h3\u003e\n\u003cp\u003eThe card takes 5V and less than 100mA of power from an external 5V power supply. It also provides up to 3.5A of power through the hardware watchdog to the Raspberry Pi\u003c\/p\u003e\n\u003ch3\u003eStacking Multiple Cards\u003c\/h3\u003e\n\u003cp\u003eTwo 8-Serial Ports Cards can be stacked on top of one Raspberry Pi, implementing a total of 16 serial ports.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThree RS232 ports\u003c\/li\u003e\n\u003cli\u003eOne RS485 port with a selectable terminator\u003c\/li\u003e\n\u003cli\u003eOne RS422 port with a selectable terminator\u003c\/li\u003e\n\u003cli\u003eOne CAN port\u003c\/li\u003e\n\u003cli\u003eOne 1-Wire port\u003c\/li\u003e\n\u003cli\u003eOne M-BUS port\u003c\/li\u003e\n\u003cli\u003eCompatible with all Raspberry Pi versions from 3 to 5\u003c\/li\u003e\n\u003cli\u003eTwo Layer Stackable\u003c\/li\u003e\n\u003cli\u003eOnboard hardware watchdog\u003c\/li\u003e\n\u003cli\u003eReset pushbutton\u003c\/li\u003e\n\u003cli\u003eStatus LED indicators on each serial port and power\u003c\/li\u003e\n\u003cli\u003eNo additional software required (drivers included in the Linux kernel)\u003c\/li\u003e\n\u003cli\u003eECCN Code EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRS485 Ports: Max 921,600 bps\u003c\/li\u003e\n\u003cli\u003eRS232 Ports: Max 230,400 bps\u003c\/li\u003e\n\u003cli\u003eRS422 Ports: TBD\u003c\/li\u003e\n\u003cli\u003e1-Wire: TBD\u003c\/li\u003e\n\u003cli\u003eCAN: TBD\u003c\/li\u003e\n\u003cli\u003eM-BUS: TBD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eResources\u003c\/h2\u003e\n\u003cp\u003eThe 8-Serial Ports Card \u003cstrong\u003edoes not require software\u003c\/strong\u003e. All the software drivers are part of the Linux kernel. Setup instructions can be found\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/github.com\/SequentMicrosystems\/8serial-rpi\/blob\/main\/README.md\" title=\"Sequent Microsystems 8 Serial ports setup instructions\" rel=\"noopener\" class=\"text-link\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/sequentmicrosystems.\"\u003eDownloads\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/8-SERIAL-V1-Schematic.pdf?v=1712703990\"\u003eSchematic V1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0534\/4392\/0067\/files\/8-SERIAL-STEP.zip?v=1712704098\"\u003e3D Step Mode\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/github.com\/SequentMicrosystems\/8serial-rpi\/blob\/main\/README.md\"\u003eSetup and command line interface\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x Eight Serial Ports 2-Layer Stackable HAT for Raspberry Pi\u003c\/li\u003e\n\u003cli\u003e4x M2.5x18mm male-female brass standoffs\u003c\/li\u003e\n\u003cli\u003e4x M2.5x5mm brass screws\u003c\/li\u003e\n\u003cli\u003e4x M2.5 brass nuts\u003c\/li\u003e\n\u003cli\u003e10x Connector plugs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sequent","offers":[{"title":"Default Title","offer_id":50847195300113,"sku":"106024","price":87.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/6285\/6209\/files\/eight-serial-ports-2-layer-stackable-hat-for-raspberry-pi-sequent-106024-71239111442817.jpg?v=1735208229","url":"https:\/\/abcd3032.myshopify.com\/hi\/products\/eight-serial-ports-2-layer-stackable-hat-for-raspberry-pi","provider":"Tayyab Zak","version":"1.0","type":"link"}