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RAK8213 – THE NEW MINI-PCIE CARD FOR NB-IOT AND LTE CAT M1

A China-based manufacturer called RAK Wireless has released the RAK833 LoRaWAN gateway module a couple months back. This has already been used hugely to create a gateway for ‘The Things Network’. Now they’re back with the new RAK8213, an NB-IoT and LTE Cat M1 module in the same mini-PCIe form factor as the RAK833. The RAK mini-PCIe card is constructed …

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Secure IOT With AWS and Hornbill ESP32 Using Arduino.

Security of connected devices is of paramount concern. There are several possible ways to make the devices secure. One of the most essential and widely used options is to use end to end encryption. The widely used Transport Layer Security (TLS) version 1.2 is the latest standard used on web for secure connections including banking. …

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WiFi Temperature Sensor featuring 4Duino-24

In this project we will quickly create a ‘temperature monitor’ that measures the ambient temperature of a room or an outdoor space. The temperature is measured by TMP35 temperature sensor and is displayed on the 4Duino screen. The data is also sent to Thingspeak IoT platform which enables data logging over a period of time. …

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