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LOLIN D32 Pro and Barometric Pressure Shield example

In this article we connect a HP303B Barometic shield to a LOLIN D32 Pro, using the new board you can connect them using a...

ESP32 and SHT20 temperature sensor example

In this example we will connect a SHT20 temperature sensor to an ESP32. Lets look at the SHT20 sensor The SHT20 humidity and temperature sensor of...

ESP32 and CCS811 gas sensor data to Thingspeak example

In this example we connect a CCS811 gas sensor to an ESP32 and then we will upload the data to Thingspeak The CCS811 is a...

ESP32 and CCS811 gas sensor example

In this example we will connect a CCS811 gas sensor to an ESP32, first of all lets look at the sensor The CCS811 is a...

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...

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...

VEML6040 color sensor and ESP32

VEML6040 color sensor senses red, green, blue, and white light and incorporates photodiodes, amplifiers, and analog / digital circuits into a single chip using...

PAJ7620 gesture sensor and ESP32

The PAJ7620 integrates gesture recognition function with general I2C interface into a single chip forming an image analytic sensor system. It can recognize 9...

MAX30102 pulse oximetry and heart-rate monitor sensor and ESP32

The MAX30102 is an integrated pulse oximetry and heart-rate monitor biosensor module. It includes internal LEDs, photodetectors, optical elements, and low-noise electronics with ambient...

ADS1115 analog-to-digital converter and ESP32

The ADS1115 device (ADS111x) is a precision, low-power, 16-bit, I2C-compatible, analog-to-digital converters (ADCs) offered in an ultra-small, leadless, X2QFN-10 package, and a VSSOP-10 package....