ESP32 and TSL2591 light-to-digital converter example using the Arduino IDE
In this article we look at the the TSL2591 which is a light-to-digital converter. We will have the usual information about the sensor, parts...
PCA9685 LED controller and ESP32 example
In this example we connect a PCA9685 LED controller to an ESP32
The PCA9685 is an I²C-bus controlled 16-channel LED controller optimized for Red/Green/Blue/Amber (RGBA)...
ESP32 and Si4703 FM radio example
The Si4702/03 FM radio receiver family increases the ease and attractiveness of adding FM radio reception to mobile devices through small size and board...
ESP32 and IR Line tracking sensor example
This is another example using a sensor from the 37 sensor kit, this time we use the one called the KY-033 Hunt sensor module.
A...
ESP32 and Max6675 example
In this example we take a look at the MAX6675 Cold-Junction-Compensated K-Thermocouple-to-Digital Converter
The MAX6675 performs cold-junction compensation and digitizes the signal from a type-K thermocouple....
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 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 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...
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...
Using a ESP32 with a BMP388 barometric pressure sensor
In this article we look at another sensor - it is a BMP388 by Bosch Sensortec, so lets crack on and try this out...
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 MPL3115A2 absolute pressure sensor example
The MPL3115A2 is a compact, piezoresistive, absolute pressure sensor with an I2C digital interface. MPL3115A2 has a wide operating range of 20 kPa to...