fade an LED using an ESP32

This example shows how easy it is to fade an LED using an ESP32 The code is fairly straightforward ledcSetup(ledChannel, freq, resolution) - this sets a...

ESP32 and vibration sensor module

In this example we connect a vibration motor module to an ESP32 - as usual we use a Lolin32. This is the type of...

VEML6075 ultraviolet (UV) light sensor and ESP32

The VEML6075 senses UVA and UVB light and incorporates photodiode, amplifiers, and analog / digital circuits into a single chip using a CMOS process....

ESP32 and PCF8563 RTC module example

The PCF8563 is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector...

ESP32 and Max7219 8×8 LED matrix example

The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph...

ESP32 and AM2301 sensor example

AM2301 output calibrated digital signal. It applys exclusive digital-signal-collecting-technique and humidity sensing technology, assuring its reliability and stability. Its sensing elements is connected with...

ESP32 and LM75 temperature sensor example

The LM75 temperature sensor includes a delta-sigma analog-to-digital converter, and a digital overtemperature detector. The host can query the LM75 through its I²C interface...

ESP32 and GUVA-S12SD UV Sensor example

The GUVA-S12SD UV Sensor chip is suitable for detecting the UV radiation in sunlight. It can be used in any application where you want monitor for...

MH ET LIVE ESP32 MINI KIT and BMP180 shield example

OK this is another wemos type shield that can easily be connected to a MH ET LIVE ESP32 MINI KIT, in this case this...

VEML6070 ultraviolet (UV) light sensor and ESP32

VEML6070 is an advanced ultraviolet (UV) light sensor with I2C protocol interface and designed by the CMOS process. It is easily operated via 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 AM2302 sensor example

AM2302 capacitive humidity sensing digital temperature and humidity module is one that contains the compound has been calibrated digital signal output of the temperature...