We all have devices other than phones and computers which are connected to the Internet at home or anywhere This is because Internet of Things is here and it's only begun As Jeremy M Williams of Vyudu Inc believes that The physical world and the digital world are merging together as one every day and the more our physical products sense and react to our needs the more alive they become Issac T Based on this idea a company called Inventrom Pvt Ltd based in Bangalore India designed a product called Bolt IoT Platform In 2017 Bolt team had 2 crowdfunding campaigns after the first project funding goal was not reached Just after 2 months they were back in business and now with a faster version Bolt v2 captured my attention by being an IoT platform with cloud machine learning ML algorithms which seemed a valuable tool that would make our lives even easier Bolt IoT platform is an Arduino compatible IoT product that helps the creators developers and people who are planning to connect different devices and sensors to remote configure and control them from anywhere in a secure way This design resembles other IoT products that are already on the market so to make a comparison and an analysis of the design and the performance I have used another
IoT product called Spark Core later changed to Particle Photon which has very similar features that later will be shown In short the two devices can perform similar actions such as Home Automation Temperature Monitoring and many others For a quick and easy comparison between the two products I have created a table where you can see some of their features crowdfunding goals and the price for each device Features Goals and Prices Bolt IoT Platform v2 Spark Core Particle Photon Wi Fi Chip ESP8266 based ESP 12S SimpleLink CC3000 later changed to Cypress BCM3362 Microprocessor 80 MHz Tensilica Xtensa LX106 Harvard architecture 72 MHz ARM Cortex M3 later changed to 120 MHz ARM Cortex M3 Cloud Connection Bolt Cloud Spark Cloud OTA Updates Yes Yes Smartphone App Bolt App Spark App APIs Private API Rest API Remote Configuration Yes Yes ML Algorithms backed in Yes
No Works with Amazon Echo Yes Yes Compatible with Arduino Yes Yes SSL encryption No 128 bit Size 35mm x 35mm 36 5mm x 20mm Crowdfunding goal First campaign 38 000 was unsuccessful Second campaign 10 000 10 000 Pledged by backers First campaign 32 000 Second campaign 48 420 567 968 Price 17 19 As we can see Spark Core despite being 5 years older than Bolt v2 has a very similar specification A major difference of Bolt IoT Platform v2 from other IoT kits such as Spark is that the Bolt Cloud which has incorporated the machine learning ML algorithms providing the ability to automatically learn different operations which help delivering faster and more accurate data Not everything is new and shiny and it might appear like a Bolt Cloud on the horizon Looking back at 2013 a company called Spark IO has launched the Spark Core Wi Fi for Everything Spark IO They have used a different Wi Fi chip but the main characteristics are very similar features that will be shown in the table from above Starting with what the founder and CEO of Bolt IoT is claiming the main strength of Bolt comes from the Cloud The Bolt Cloud lets you remotely configure and initialise the pins on your Bolt Wi Fi module write code and update the firmware of all your device codes over the air Bolt cloud brings scalability to your
IoT projects as it lets you configure and code thousands of devices simultaneously within a few seconds Pranav P V A worrying aspect would be that the Bolt Cloud can update the firmware via over the air OTA As I mentioned above the Bolt s ESP 12S chip is lacking things like secure boot and flash encryption a side effect would be that the chip can be updated over the air OTA without any security checks With such a high dependence on the Cloud this being the most intriguing feature and the most worrying aspect The Bolt team believe that the maintenance costs for the cloud will be low and the cost will be covered by the number of customers that will buy their product Looking at what the Spark team said Developers who create apps for the Spark Core or for Spark powered products may choose to charge for them by selling those apps through the iPhone App Store Google Play or on their own websites Spark IO the Bolt team might follow the same principle and this could help cover some costs Conclusion It might seem I have been a bit sceptical about Bolt IoT Platform and to an extent I am Despite the new implementations such as ML Algorithms and inbuilt functions by looking back at their second campaign where they used the same low cost ESP8266 based module which lacks security makes me wonder why they used the same Wi Fi chip which does not supports SSL flash encryption and secure boot Comparing Bolt and Spark both are very advanced IoT platforms which have some good aspects and some not so good ones Bolt is that platform that offers you the ML Algorithms and the inbuild function that can make our life easier but a big drawback is the security Spark or Particle despite of not having the same build in functions offers the security that is needed for the IoT environment In my opinion a smart option for the second release of Bolt would have been the EPS 32 Wi Fi microcontroller a younger version that supports secure boot and flash encryption but also 1024 bit One Time Passwords OTP and Over The Air OTA
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