Tag: Wemos
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ESP8266, Deep Sleep mode test, wake up with a PIR motion detector

The ESP8266 module has the deep sleep mode which allows to put it in hibernation to save the battery. You can wake up the module at regular intervals to make ...

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Unpacking Wemos ESP32 LoLin clone with 0.96” SSD1306 monochrome OLED display

Victim of its success, Wemos is the subject of many clones (or fakes as some say!). After the Wemos 1d mini, it's the turn of the LoLin32 to be copied. Today ...

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Unpacking the Wemos D1 R2, ESPDuino clone, ESP8266 development board in Arduino Uno format

The Arduino Uno is the reference for development boards to start learning programming. The Arduino Uno is an ideal learning platform because it does not cost ...

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Unpacking the Geekcreit PCA9685 I2C Shield 16 Servos + 2 DC motors for Arduino or ESPDuino (ESP8266)

The Arduino Uno or ESP8266 boards do not deliver enough power to power the 6 robotic arm servo motors discussed earlier in this article. So you have to buy a ...

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OLED display SSD1306 in MicroPython, example with a I2C digital barometer BME280 (or BMP180)

I propose today to learn how to detect the devices connected to the bus i2c in MicroPython. For this tutorial, we will retrieve the measurements returned by a ...

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ESP8266 + DHT22 + MQTT: make a connected object IoT and include it in Home Assistant

ESP8266 + DHT22 + MQTT, here's how we will learn how to make our first connected object (a temperature probe) and connect it to the Home Assistant server. To ...

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Unpacking the Wemos ESP32 Lolin32 Lite, testing the firmware MicroPython with a Raspberry Pi 3

A few weeks ago, Wemos launched its Lolin32 Lite based Espressif ESP32 module. The ESP32 used is the REV1 which corrects some bugs. It is a very compact ...

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Wemos LoLin32 Lite, more compact revision of the LoLin32 to $4.90

Wemos proposes a new version Lite of the LoLin32 based on a module ESP-WROOM-32 corrected. This new module identified ESP32-DOWD6Q 28017 (Rev 1) brings some ...

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Include ESP8266 + DHT22 + Homie MQTT IoT in Home Assistant (HASS)

After introducing the Homie library in the two previous articles (well starting with Homie, programming principle), it is time to move on ...

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First project Homie ESP8266: publish in MQTT measurements of a DHT22 probe

Previously, we discovered the Homie library which simplifies the writing of Arduino code to develop connected objects ESP8266 which ...

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