Difference: WeMosD1Mini (7 vs. 8)

Revision 82019-05-18 - UliRaich

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META TOPICPARENT	name="AFNOGWorkshop2019"

The WeMos D1 mini and its sensor and actuator shields

Introduction

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ESP32

	RESET	RST	Tx
ADC1 channel 0	GPIO 36	SVP	Rx

Changed:

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	GPIO 26	IO26	IO22	GPIO 22	SCL
SCK	GPIO 18	IO18	IO21	GPIO 21	SDA
MISO	GPIO 19	IO19	IO17	GPIO 17
MOSI	GPIO 23	IO23	IO16	GPIO 16
SS	GPIO 5	IO5	GND	GND

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SCK	GPIO 26	IO26	IO22	GPIO 22	SCL
MISO	GPIO 18	IO18	IO21	GPIO 21	SDA
MOSI	GPIO 19	IO19	IO17	GPIO 17
SS	GPIO 23	IO23	IO16	GPIO 16
	GPIO 5	IO5	GND	GND

3.3V

3V3

Sensor Shields

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The LED matrix shield
The SHT-30 shield with a SHT-30 I2C digital temperature and humidity sensor
The DHT11 shield with a DHT11 digital temperature and humidity sensor. This device uses its own private serial communication protocol

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Here is an overview table showing the devices and the

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Here is an overview table showing the devices and their connections:

Module	Connections	Functionality
1 button shield	D3: GPIO 0	on / off push button
WS2812B RGB shield	D2: GPIO 4	addressable rgb LED

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DD18B20 shield	D2 GPIO 4	1-wire digital temperature sensor
SHT30 shield	D1 GPIO 5 I2C SCL D2 GPIO 4 I2C SDA	I2C temperature and humidity sensor
LED Matrix shield	D5 GPIO 14 CLK D7 GPIO 13 Din	8x8 LED Matrix

Deleted:

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ir connections:

For each of the devices I create 2 directories:

a driver directory containing programs testing the module without Cayenne communication
a cayenne directory for the final program

You can find the code written for the workshop on github: https://github.com/uraich/MicroPython_IoTDemos.

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There is a second repository also with directories drivers and cayenne containing the same type of programs but written in C++ for the Arduino IDE. The IDE must be set up to work with the ESP8266 and ESP32 which means that the cross-compilers for these machines must be installed.

https://github.com/uraich/C-IoTDemos

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