HTU31 Humidity and Temperature Sensor and ESP32 board example

In this article we connect an HTU31 Humidity and Temperature Combination Sensor to an ESP32 Sensor Information The HTU31 is one of the smallest and most...

ESP32 and Infrared receiver example

In this example we look at how to connect an IR Reciever. Generally, they require Vcc(5v), GND and there is a data out which you connect...

ESP32 and ISL29125 RGB color light sensor

In this example we look at the ISL29125 RED, GREEN and BLUE color light sensor Here is some info about the sensor The ISL29125 is a low power,...
esp32 and veml7700 layout

An ESP32 and VEML7700 lux sensor example using the Arduino IDE

In this article we look at the VEML7700  which is an ambient light digital 16-bit resolution sensor - we will take a look at...

ESP32 and GY-21P readings on a web page

In this example we connect a GY-21P sensor to an ESP32 and then we will display the readings on a webpage Lets recap the GY-21P...

ESP32 and RGB led example

In this example we will connect an RGB led to our Wemos MIni, lets look at RGB leds first RGB LEDs consist of one red,...

ESP32 and TMP102 digital temperature sensor example

In this article we look at the TMP102 digital sensor and we will connect it up to an ESP32 The TMP102 device is a digital...

ESP32 and MMA8451 accelerometer example

The MMA8451 is a low-power accelerometer with 14 bits of resolution, with the following features: Embedded functions with flexible user-programmable options, configurable to two interrupt...

ESP32 and SHT21 humidity and temperature sensor example

SHT21, the new humidity and temperature sensor of Sensirion is about to set new standards in terms of size and intelligence: Embedded in a...

DHT12 humidity temperature sensor and ESP32 example

DHT12 sensor and ESP32 example The DHt12 is an upgraded version of the classic DHT11 humidity temperature sensor, it is fully downward compatible, more precise...

ESP32 capacitive touch example

Another great feature of the ESP32 is that it has the ability to detect touch on various pins by having capacitive touch sensors, in fact...

ESP32 and GY-21P data to Thingspeak example

In this example we connect a GY-21P sensor to an ESP32 and then we will upload the data to Thingspeak The GY-21P combines a BMP280...