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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 4067 led example

The 4067 was one of the IC's that I wanted to connect up to various microcontrollers as it looke dextremely useful, here is a quick...

ESP32 and 4051 LED example

The HCF4051 device is a monolithic integrated circuit fabricated in MOS (metal oxide semiconductor) technology available in SO-16 and PDIP-16 packages. The HCF4051 analog multiplexer/demultiplexer...

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...

ESP32 and SHT11 digital humidity sensor example

The SHT1x digital humidity sensor is a reflow solderable sensor. The SHT1x series consists of a low-cost version with the SHT10 humidity sensor, a...

ESP32 and Bargraph display example

The bar graph is basically a series of LEDs in a line, this is a common hardware display for analog sensors. It's made up...

ESP32 and BMP085 example

This sensor is obsolete now and has been replaced by newer ones but if you still have them lying about then this is how...

ESP32 performing a software reset

In this example we will show you how to perform a software reset on the ESP32 using the Arduino IDE. Luckily the ESP32 has...

ESP32 and FreeRTOS example create a task

In this example, I will show you how to apply FreeRTOS in Arduino ESP32. Arduino ESP32 is built over FreeRTOS and actually the main...

ESP32 and OLED display example

This example uses an OLED display these typically come in a couple of different sizes 128x32 and 128x64, this particular example will use the...

ESP32 and a PCF8574 expander example

The PCF8574 is an 8 bits I/O port expander that uses the I2C protocol. Using this IC, you can use only the SDA and...

ESP32 and LDR example

In this example we connect a photoresistor to a ESP32 Lolin32, the value read from the photoresistor corresponds to the amount of light present....