Raspberry Pi is everywhere, and this small size single-board computer has reshaped technology and STEM education. The launch of the recent Raspberry Pi 4 is evident in the success and continuous growth.
The Raspberry Pi 3B+ has seen so much success in several maker’s projects, while not the most powerful SBC in the market, but undoubtedly one of the most popular. I once put together an AI-powered mobile robot using just a Raspberry Pi 3B+, an RPLidar A2, and Raspberry Camera which was way capable of so many things. Another exciting Raspberry Pi end product is the “PoE enabled Raspberry Pi 3B+ based LoRaWAN Gateway” from n-fuse.
The PoE enabled Raspberry Pi 3B+ based LoRaWAN Gateway as called by n-fuse is a LoRaWAN gateway based on the Raspberry Pi 3B+, the LRWCCx-MPCIE Concentrator, and the SBCPoE RPI Hat. It supports both the Europe 868Mhz and America 915Mhz frequency (you have to purchase the exact frequency you want though)
The SBCPoE RPI Hat is a PoE (Power over Ethernet) Hat for the Raspberry Pi 3 that comes with a mini PCIe slot and an optional GNSS module. The LRWCCx-MPCIE Concentrator card is in a mini PCIe form and based on the Semtech SX1301 or the SX1308 chipset and can be used with any embedding platform offering a mini-PCIe slot, USB connectivity and capable of providing sufficient power.
In the case of the Raspberry Pi LoRaWAN Gateway, the LRWCCx-MPCIE concentrator card is using the Semtech SX1308 which has a slightly lower sensitivity than the SX1301. The SBCPoE RPI Hat hosts the concentrator card and provides connectivity to the RPi UART port while also acting as the power supply for the whole system if you decide to go the route of PoE.
Some major features of the device:
- Raspberry Pi 3B+ as the host system
- SMA port for ISM band antenna
- IEEE 802.3af compliant PoE
- Supports 10/100/1000 MBit/s Ethernet speeds
- 16 GiB quality SD Card
- Compact metal enclosure
- Conduction based heat dissipation
- Temperature range(environment): -10 to 55° C
Just like the normal standard Raspberry Pi, the device still retains all the features of the Pi like Bluetooth 4.2, WiFi 802.11b/g/n/ac so you can also use the gateway as a potential access point, 4x USB, and others. Aside from powering from the Ethernet port, you can also power it by the micro USB port.
On the software side, a customized Raspbian OS is available for download from n-fuse which helps in putting everything together. The OS already comes with all the required software to acts as a LoRa Gateway as stated in the manual which comprises of packages like the HAL driver, packet forwarder from Semtech, Systemd unit lora_pkt_fwd, and others.
The device comes with an attached LM75B temperature sensor, which is connected to the I2C bus of the Raspberry Pi, and could be helpful for heat management.
The product is available for purchase for 178.50 € for both 915Mhz and 868Mhz which doesn’t include VAT and delivery. Although an antenna is shown with the device, it doesn’t seem to be part of the 178.50 € deal, since a 3 dBi antenna is shown as a possible accessory for the product and it cost around 4.5 €
A free wanderer who is highly interested in technology, especially those concerned with saving and solving human problems. He could be nerdy sometimes, in that state he is digesting topics related to deep learning, machine learning, natural language processing, internet of things, smart cities, embedded systems, mobile robots, precision agriculture, and lastly machine vision.
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