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Arduino

Ardjson-Part 10: Reducing RAM Usage – Permanent Storage

In the quest to reduce RAM usage with a RAM challenged Arduino device, this blog covers using permanent storage (Flash and EEPROM).

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Ardjson-Part9b: Azure Mobile Services Scripts

In Part 9 of this series, it was shown how to create a Version 1 table such that the id field is an auto-incremented integer which saves storage space on a small device. Version 1 tables don't automatically save a creation and modification date. This blog covers how to do it with a Script.

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Ardjson-Part 9: Azure Mobile Services Table id options (Sketch V1.5)

The default id field for a Azure Mobile Services Table, that the table is indexed on, is a string. By default the string that is auto-generated is a 36 character GUID string. This can be 3 or more times rest of the data sent as a HTTP Response to a default HTTP GET for each record from the Telemetry table . This blog discusses this issue and canvasses some options to resolve this overkill.

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Ardjson-Part 8: Telemetry Code Sketch Version 1.4

This blog covers the major revision of the Telemetry to remove old, now unnecessary code, fix some bugs, further improve error responses, and a stored data structure that makes the parsed JSon data available after the HTTP Response processing is complete.

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Ardjson-Part 7b: Programming Details of the JSon Stream Parser

This blog covers the Stream Parser - State Machine code in detail...

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Ardjson-Part 7: Arduino JSon Stream Parse (Sketch V1.3.1c)

This blog presents a more complete JSon parser in the Arduino context  that extracts the data entities from each record. in the JSon string. It is implemented as a Stream Parser - State Machine.

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Ardjson-Part 6: Arduino Telemetry Sensor (Sketches V1.3b)

The three TelemetrySensor Arduino apps that mimic the desktop/phone Universal app UI functions are created by copying and appropriately editing the ToDoItem Arduino apps.

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Ardjon-Part 5: A Simple JSon Parser (Sketches V1.3a)

This blog presents a simple JSon parser in the Arduino context for the ToDo sketch  that extracts the data entities from each record. in the JSon string.

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Ardjson–Part 4 ToDoItems App on Arduino

The Universal ToDoItems Microsoft Azure Mobile Services sample app runs on Desktop Windows 8.1, Windows Phone 8.1 and Windows RT. In Parts 3 of this blog, it was demonstrated as to how to action these functions via a command line, using cURL.exe. In this blog we will action those same actions from an Arduino device.

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Ardjson-Part 4b: Arduino Networking

Some hints to do with networking an Arduino device.

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