ESP32 timer interrupt the easy way
Let’s dive in the ESP32 timer interrupt, a way of controlling your programs that is simple and straightforward. We will implement the blink of two LEDs independently, without one interfering on another.
Generate random numbers with ESP32
Have you ever needed to generate random numbers with ESP32? then this post is for you. We will use ESP32’s built in capabilities to create random number.
ESP32 sensors to Telegram
I implemented an ESP32 reading sensors (weather station) and sending data to my Telegram APP. Using Arduino IDE and ESP32-C6.
Random blinking lights with ESP32
Let us program random blinking lights with ESP32, using the Arduino random() function and two 5mm LEDs. ESP32-C6 and Arduino IDE.
Indoor weather station with MQTT, V2
I just created and Indoor weather station with MQTT, V2 with ESP32, ENS160 and BME280. Programmed with Arduino code and using Adafruit.io
Track Anything with Confidence: An Easy ESP32 GPS Guide
I will teach you how to implement a GPS tracking with ESP32-C6, using softSerial and showing data on Arduino IDE’s serial monitor
LED display made easy with ESP32
Learn how to control a 7 segment LED display and ESP32-C6, to show numbers and letters. We will use a function to control it
Good music with buzzer and LDR
Have you thought of making sounds with LDR and buzzer? this is exactly what we are doing in this post, so get ready to rock!
Ultimate Precision: Monitoring Air Quality with SGP40 and ESP32
Today I will show you how to write code and test the SGP40 air quality sensor with ESP32 and Arduino code. It needs a companion SHT21
Smart Lighting Made Easy: The BH1750 and ESP32 Tutorial
Let’s study the human eye light level sensor BH1750, a sensor capable of sensing between 1 and 65535 Lux via i2c
Master Global Markets: The Ultimate ESP32 Currency Converter
The idea is to create a currency converter display with ESP32, showing live conversion data in a OLED display with ESP32 and Arduino code
Unlocking the Power of MQTT: Professional ESP32 IoT with Adafruit.io
Today I am implementing and testing the MQTT protocol with ESP32 and Adafruit.io, an effective way of sending data to the internet
HTU21D temperature sensor with ESP32
We are going to implement code for using the HTU21D temperature sensor with ESP32. This is an i2c temperature and humidity sensor.
Analog input readings with ESP32
You can have analog input readings with ESP32, the code is simple and requires a single configuration, “analogReadResolution”. Let’s code!
Mastering 16×2 LCD Displays: A Comprehensive ESP32 Tutorial
Let’s get controlling a 16×2 LCD display with ESP32, using the Arduino IDE and a simple library. It can control various sizes of displays.
Minimalist USB thermometer with ESP32 – update 1
This is an update on the “minimalist USB thermometer with ESP32” project of mine. I have decided on the sensor and sent the pcb for fab
Master PWM: The Ultimate Guide to Pulse Width Modulation
Let’s dive into the content and get to know what is PWM and how to use it, using a ESP32-C6 as the controller to study it
Absolute Control: Expert Guide to Time-of-Flight Sensing with VL53L0X
Let’s dive into and get twot know the time-of-flight Laser distance sensor VL53L0x from ST semiconductors, with the WiFi chip ESP32-C6
Easy Digital Thermometer: Successful DHT11 Setup with ESP32-C6
I create here an ESP32-C6 temperature display with DHT11 and TM1637. It is a 4-digit 7-segment temperature display
Expert IoT logging: unlocking the power of SD cards on ESP32-C6
Learn how to use a SD card with ESP32-C6 and Arduino, using the Arduino official library and my own dev board (details in the post)