![4 Ports USB 3.0 HUB Expansion Board For JETSON NANO Raspberry Pi 4B DIY Robot Car Kit Onboard 9-24V Power Driver-Free Plug&Play 4 Ports USB 3.0 HUB Expansion Board For JETSON NANO Raspberry Pi 4B DIY Robot Car Kit Onboard 9-24V Power Driver-Free Plug&Play](https://ae01.alicdn.com/kf/S0afb84ce59d34e40b35ece06784b90fbO/4-Ports-USB-3-0-HUB-Expansion-Board-For-JETSON-NANO-Raspberry-Pi-4B-DIY-Robot.jpg)
4 Ports USB 3.0 HUB Expansion Board For JETSON NANO Raspberry Pi 4B DIY Robot Car Kit Onboard 9-24V Power Driver-Free Plug&Play
![Used-US Robotics 0297 Sportster 14.4Kbps ISA jumpered Modem with speaker. Modem only. No cables, drivers or user guide. - Walmart.com Used-US Robotics 0297 Sportster 14.4Kbps ISA jumpered Modem with speaker. Modem only. No cables, drivers or user guide. - Walmart.com](https://i5.walmartimages.com/seo/Used-US-Robotics-0297-Sportster-14-4Kbps-ISA-jumpered-Modem-with-speaker-Modem-only-No-cables-drivers-or-user-guide_17ebc4be-6789-42e2-9ff1-5314f04e5993.4b1c3f7d94933c5159d3948109176f4d.jpeg)
Used-US Robotics 0297 Sportster 14.4Kbps ISA jumpered Modem with speaker. Modem only. No cables, drivers or user guide. - Walmart.com
![Amazon.com: Teyleten Robot USB to RS485 485 Converter Adapter CH340T Chip 64-bit Suitable for Windows 7/8 MacOS WinCE5.0 XP(Pack of 3) : Electronics Amazon.com: Teyleten Robot USB to RS485 485 Converter Adapter CH340T Chip 64-bit Suitable for Windows 7/8 MacOS WinCE5.0 XP(Pack of 3) : Electronics](https://m.media-amazon.com/images/I/61SVbr-U6bL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Teyleten Robot USB to RS485 485 Converter Adapter CH340T Chip 64-bit Suitable for Windows 7/8 MacOS WinCE5.0 XP(Pack of 3) : Electronics
![1pcs Tenstar Robot Hl-340 Usb To Rs232 Com Port Serial Pda 9 Pin Db9 Adapter Support Windows7-64 - Integrated Circuits - AliExpress 1pcs Tenstar Robot Hl-340 Usb To Rs232 Com Port Serial Pda 9 Pin Db9 Adapter Support Windows7-64 - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/S578dff6da6c843f09385eb91bd5cd3beR/Driver-Chip-PL2303-USB-to-RS232-COM-Port-Serial-PDA-9-Pin-DB9-Adapter-Support-Windows7.jpg)
1pcs Tenstar Robot Hl-340 Usb To Rs232 Com Port Serial Pda 9 Pin Db9 Adapter Support Windows7-64 - Integrated Circuits - AliExpress
![Amazon.com: LewanSoul 16 Channel PWM Servo Motor Driver Board Module Controller with Over-Current Protection USB Port for Robot DIY : Industrial & Scientific Amazon.com: LewanSoul 16 Channel PWM Servo Motor Driver Board Module Controller with Over-Current Protection USB Port for Robot DIY : Industrial & Scientific](https://m.media-amazon.com/images/I/51iCwUsOFYL._AC_UF894,1000_QL80_.jpg)