Prototyping IOT with JavaScript

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Introductions

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Twitter @lgleasain Github lgleasain www.lancegleason.com www.polyglotprogrammincinc.com [email protected]

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@PolyglotProgram @lgleasain @PurrProgramming

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http://www.polyglotprogramminginc.com/purrprogramming-2-0/

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Software

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Options

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Features • Bluetooth Support • Robust API for Android and IOS • Built in Sensors (temperature, accelerometer etc.) • Built in support for rechargeable batteries

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Specs • Nordic Semiconductor nRF51822 BLE SoC • 2.4 GHz transceiver • ARM®Cortex™-M0 32 bit processor • 256 kB ﬂash program memory • 16 kB RAM • 8/9/10 bit ADC

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Specs Continued • Accelerometer • Temperature Sensor • Push Button Switch • Bright LED • Driver for vibration motor • micro usb chargable • I2C bus, and support for 4 digital/analog and 4 digital pins

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ESP8266 • Python, JavaScript, Arduino (C++), Nodemcu (Lua) • 128 Kb RAM • 4 mb SSD • 802.11 b/g/n WIFI • 32 bit 80-160 MHZ single core RISC processor • 16 GPIO pins • SPI, I2C, I2S support • UART • 1 10-bit ADC • 3.3 V DC

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ESP32 • Python, JavaScript, Arduino (C++), Nodemcu (Lua) • 520 Kb RAM • Bluetooth 4.2 support • 802.11 b/g/n/e/i WIFI • 32 bit 160-240 MHZ dual core RISC processor • lots of GPIO pins • SPI, I2C, I2S support • UART • 1 10-bit ADC • 3.3 V DC • and much more

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ESPRUINO

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Arduino • Arduino (C++), Firmata • 0.5 - 32 Kb RAM • Bluetooth 4.2 support (101 only) • 8-48 MHZ processors (mostly ATmega) • 3-54 I/O pins • 3.3 or 5V DC (depending on the model) • and much more

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Firmata

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Micro Controller vs Microprocessor

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Raspberry Pi Zero • Linux, Android • 512 Mb RAM • 1 Ghz Single Core BCM2835 • 26 GPIO Pins • Camera support • HDMI • Micro SD slot • 3.3 V DC • and much more

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Raspberry Pi 3 • Linux, Android and Windows 10 Support • 1 GB RAM • 1.2 Ghz Quad Core BCM2837 • 26 GPIO Pins • Camera support • HDMI • Micro SD slot • 3.3 V DC • and much more

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@PolyglotProgram @lgleasain @PurrProgramming

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MetaWear https://mbientlab.com/ https://github.com/mbientlab-projects/MetaWearCordova-Plugin NodeMCU ESP8266 nodemcu.com http://www.espruino.com/ Johnny-Five/Firmata http://johnny-ﬁve.io/ https://www.arduino.cc/en/Reference/Firmata https://github.com/ajﬁsher/node-pixel Raspberry Pi https://www.raspberrypi.org/ https://learn.adafruit.com/neopixels-on-raspberry-pi/overview Buying NeoPixels/WS2812 (search for ws2812) www.ebay.com www.banggood.com www.amazon.com

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Twitter @lgleasain Github lgleasain www.lancegleason.com www.polyglotprogrammincinc.com [email protected]