ESP32 Publish Data to Cloud without Wi-Fi (TTGO T-Call ESP32 SIM800L)
This project shows how to connect the TTGO T-Call ESP32 SIM800L board to the Internet using a SIM card data plan and publish data to the cloud without using Wi-Fi. …
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DHT11 vs DHT22 vs LM35 vs DS18B20 vs BME280 vs BMP180
There are a wide variety of temperature sensors compatible with Arduino, ESP32, ESP8266 and other development boards. So, it can be difficult to to pick up the most suitable sensor …
MicroPython: BME280 with ESP32 and ESP8266 (Pressure, Temperature, Humidity)
In this guide you’ll learn how to use the BME280 sensor module with the ESP32 and ESP8266 to get pressure, temperature and humidity readings using MicroPython firmware. We’ll build a …
Hack a PIR Motion Sensor with an ESP8266
In this project we’ll modify a commercial motion sensor (powered with mains voltage) with an ESP8266 to log data whenever motion is detected. The data will be sent to Node-RED using MQTT communication protocol.
Low Power Weather Station Datalogger using ESP8266 and BME280 with MicroPython
This project shows how to build a data logger that publishes temperature, humidity and pressure readings every 10 minutes to a Google Sheets spreadsheet using an ESP8266 12-E. Between sensor …
ESP32 Publish Sensor Readings to Google Sheets (ESP8266 Compatible)
In this tutorial we’re going to show you how to publish sensor readings to Google Sheets using ESP32 or ESP8266 board. As an example, we’ll publish temperature, humidity, and pressure …
ESP8266 Wi-Fi Button – DIY Amazon Dash Button Clone
In this project you’re going to build an ESP8266 Wi-Fi Button that can trigger any home automation event. This is like a remote control that you can take in your …
Posting a Tweet with the ESP8266
In this project you’re going to post a Tweet with an ESP8266. The goal of this project is to show the endless possibilities that this $4 WiFi module offers when integrates with a free platform …