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Category: IoT

IoT Posted on18. July 202031. May 2021

How to connect ESP8266 Wemos D1 to motor shield over I2C with MicroPython

ESP8266 Wemos D1 board has extension shield TB6612FNG which provides a connection to two motors. The simplest way to get motors running is to connect […] Read More

IoT Posted on27. June 202027. June 2020

ESP32 erase_flash failed with “Invalid head of packet”

The first step before installing MicroPython to ESP32 is to erase the flash. I’ve installed all necessary software like esptool, but the flashing was failing […] Read More

IoT Posted on4. June 201719. July 2019

Workaround: Failed to activate the platformio-ide package

PlatformIO was working without any problem, but after several updates, there was following error message: Failed to activate the platformio-ide package The bug is also […] Read More

IoT Posted on26. April 2017

How to publish topic by mosquitto_pub to Bluemix

In the previous article about LampESP, I’ve described how to subscribe ESP8266 to MQTT at Bluemix cloud. The remaining question is how to publish data. […] Read More

IoT Posted on21. April 201727. October 2017

How to connect ESP8266 to Bluemix

Connecting ESP8266 by MQTT to a server like Mosquitto is relatively easy. You need just one dependency (in platformio.ini file): Code for a connection is: […] Read More

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