The central component in this architecture is the i.MX23 processor from NXP. The RGB LED indicates the operational and setup status of the cloudBit. The cloudBit's setup button is a tiny momentary switch that allows you to initiate detection of and connection to the home network. The WiFI Linux based software is stored on the μSD card located on the bottom side of the cloudBit printed circuit board. The Dynamode USB WiFi adapter conveniently operates from a single 5VDC source and consumes only 0.6W of power.įigure 4. The cloudBit WiFi chipset is conveniently packaged into a USB adapter. This range puts the USB adapter within the ISM (industrial, scientific, and medical) category of wireless devices. It’s operating frequency range is 2.4 to 2.4835 GHz. Dynamode manufactures the radio (part number WL-700N-XS) which is an 802.11n/g compliant WiFi device. The cloudBit’s WiFi radio is packaged inside of a USB adapter. 512 MB DDR SDRAM (double data rate synchronous dynamic random-access memory)įigure 3. Nine subcircuits make up the cloudBit system architecture.The littleBits system architecture consists of the following: The littleBits cloudBit: an alternative WiFi module for IoT concept development. The cloudBit module’s system architecture consists of nine subcircuits.įigure 2. The IC technologies used on the tiny module’s PCB enable wireless connectivity for controlling and monitoring other littleBits modules.Īlso, a hardware development kit (HDK) provides electrical circuit interfacing to non-littleBits modules as well. The cloudBit module allows a variety of electronic devices and gadgets to easily connect to a home WiFi network. What's a littleBits cloudBit?īefore you proceed with the project build, here are some interesting technical facts about the littleBits WiFi module. littleBits power adapter (see littleBits cloudBit link)įigure 1. The IoT notification device block diagram.littleBits mounting board (see littleBits proto-modules link).littleBits USB power bit (see littleBits cloudBit link).You will need an Arduino Uno, a littleBits cloudBit, an IoT mobile device app, and some common electronics components and supplies. To kick off the project series, you will build an IoT notification device that sends an email message to your desktop PC, notebook computer, or mobile device (smartphone or tablet) when triggered by an external device. In this project series, you will explore IoT concepts using alternative wireless platforms for monitoring and by controlling a variety of electronic circuits and gadgets. Wireless chipsets like the ESP8266 and the ESP32 allow easy IoT development and experimentation for makers and engineers. WiFi protocols like 802.11 b/g/n or BLE (Bluetooth Low Energy) allow these electronic devices to share data using either communication scheme. The IoT world allows a variety of electronic devices to talk to each other over the airwaves.
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