Description The Seeed Studio reTerminal E10-1 expansion board upgrades the reTerminal with flexible power input, UPS battery support, wireless expansion, industrial communication interfaces, storage expansion, and onboard audio. It is designed for edge AI, industrial automation, agriculture monitoring, mobile HMI projects, and connected home or security applications that need a more capable reTerminal installation. The board connects to reTerminal through the 100-pin high-speed interface and adds DC jack input, 25W PoE, two 18650 battery holders, RS485, RS232, CAN, Gigabit Ethernet, M.2 and Mini-PCIe expansion, SIM support, four antenna holes, two analog microphones, one speaker, fan control, and status LEDs. Note Accessories information: use a DC 12V@4A power supply cable for full power consumption; Panasonic NCR18650B 3.6V 3400mAh batteries are recommended; SSD expansion uses M.2 B-key SATA 2242/2280 modules; EC25/EC20 4G modules were tested with Quectel; SIM8202G 5G was tested with Simcom; WM1302 LoRaWAN Gateway Module (USB/SPI) US/EU is supported. Features Flexible power options: DC 12V@4A input, 25W PoE as a powered device, and optional dual 18650 UPS battery support. Industrial interfaces: RS485, RS232, CAN, Gigabit Ethernet, and a 100-pin connector for direct reTerminal integration. Wireless expansion: M.2 and Mini-PCIe slots for 4G, 5G, and LoRaWAN module options, plus a SIM card slot and antenna holes. Storage expansion: M.2 B-key support for SATA SSD modules, suitable for larger edge data and application storage. Audio and edge AI support: two analog microphones and an 8-ohm 1W speaker for voice, monitoring, and audio interaction projects. Device support: fan connector with speed control and measurement, three LEDs, and automatic battery overheat protection behavior. Applications Agriculture monitoring, insect alarm systems, and long-range LoRa/LTE/5G wireless communication. Home monitoring, security alarms, and power-off supported reTerminal deployments. Mobile HMI, portable edge computing, and industrial data transmission projects. LoRaWAN gateway, 4G/5G cellular connectivity, SSD expansion, and audio-enabled edge applications. Specifications Power Input DC 12V@4A, 25W PoE, or optional dual 18650 battery UPS support Industrial Interfaces RS485 terminal connector, RS232 DB9 connector, CAN terminal connector Ethernet RJ45 with LAN7800 IC, Gigabit Ethernet capability, PoE module support Host Connection 100-pin industrial high-speed connector for reTerminal Wireless Expansion M.2 slot for 4G/5G modules, Mini-PCIe slot for LoRaWAN or LTE/4G modules, SIM card slot Storage Expansion M.2 B-key SATA SSD support for 2242/2280 modules Audio Two analog microphones and one 8-ohm 1W speaker Indicators and Cooling Three LEDs, 3-pin fan connector with speed control and speed measurement Antenna Four antenna holes for multiple wireless communication protocols Compatibility Designed as an expansion board for Seeed reTerminal Package List reTerminal E10-1 - Expansion Board 1 Screw Driver 1 Other Content The official Wiki notes that the SSD example requires an M.2 B-key device. The SSD formatting procedure in the Wiki can erase data on the connected SSD, so the target drive should be checked carefully before formatting. The Wiki FAQ recommends Panasonic NCR18650B 3.6V 3400mAh batteries and notes that the board includes a battery protection circuit. Resources reTerminal E10-1 setup and application guide FAQ What does the reTerminal E10-1 add to reTerminal? It adds power flexibility, PoE, UPS battery support, RS485, RS232, CAN, Gigabit Ethernet, wireless module expansion, SSD expansion, microphones, speaker, and fan support. Can it use PoE? Yes. The official specification lists 25W PoE support as a powered device, alongside DC 12V@4A input and optional 18650 UPS batteries. Which SSD type should be used? The official page and Wiki indicate M.2 B-key SATA SSD support, including 2242/2280 module sizes. Does it support wireless modules? Yes. It provides M.2 and Mini-PCIe expansion paths for 4G, 5G, and LoRaWAN module options, with SIM and antenna support. What is included in the package? The official package list includes one reTerminal E10-1 expansion board and one screw driver.
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