Master Light Sensing: The Ultimate Guide to the LDR Sensor
Let’s get using a LDR light level sensor to sense the amount of light in the environment around. I am using a Raspberry Pi Pico 2
Dominate the weather: LM35 temperature sensor
Let’s dive in and learn how to use the LM35 temperature sensor with ESP32, using a single analog input and a bit of simple code.
Effortless distance measuring: A simple and effective ultrasonic distance sensor
Today we are going to talk about the ultrasonic distance sensor HC-SR04 with ESP32, a neat little sensor used to measure distances
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!
Best hobbyist gyroscope: L3G4200D
We will learn how to use the GY-50 L3G4200D gyroscope with ESP32, a component made by ST semiconductor to measure angular velocity
Ultimate Efficiency: Build an Incredible ESP32 E-Paper Clock
Today we are buiding a time and temperature e-paper display, based on a NTC thermistor and the DS1307 RTC chip, displaying on e-paper
Absolute precision: master the e-paper display
Let’s learn how to use the 2.9″ E-paper display from WeAct, an epaper display with which you can do a lot of cool stuff
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
Next-Gen Control: Mastering 7-Segment Displays with ESP32-C6
Let’s learn how to use a 7 segment LED display with ESP32-C6 and Arduino IDE. It is a matter of 8 resistors and a bit of code
Master ESP-NOW: The Ultimate Guide to Fast Wireless Communication
We will implement wireless communication with ESP-NOW on ESP32. It is a protocol that works over WiFi or Bluetooth, for Espressif ESP’s
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
Successful high-temp monitoring: the best way to use a thermocouple
Comprehend and see how to use a K type thermocouple with MAX6675, programming an Arduino UNO to show temperature value on serial monitor
A super nice and cool ESP32-C3: DFRobot Beetle
Do you know the DFRobot Beetle ESP32-C3 board? it is a small neat little WiFi-capable board that has a lot of power to it
SDB628 boost circuit board
Do you know the SDB628 boost circuit board? it is a neat little board that takes 2-24V and outputs up to 28V at 4A (theoretically)
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)
Unlock the full potential: master your DIY bicycle speedometer
Another (final) update on the bicycle odometer project, this time I made it work. It needed a capacitor value change
Upscale your LoRa projects: Waveshare RP2040 Lora
Let’s study how to use the Waveshare RP2040-Lora-HF with Arduino IDE, doing an example with i2c (the HMC5883L magnetometer)
ESP32 professional: the power of interrupts
Let’s study ESP32 interrupts in Arduino IDE, both the hardware one (digital input) and the timer one (internal timer)
Your next bicycle speedometer update
I started coding for my Bicycle speedometer with ESP12. The idea of the code is to light a single LED for every 5km/h increase in speed.