esp32
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Making sounds with LDR and buzzer
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!
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HDC1080 temperature and humidity sensor
Let’s get to know the HDC1080 temperature and humidity sensor, an integrated sensor made by Texas Instruments, communicates via i2c
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16×2 LCD display with ESP32
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.
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SGP40 air quality sensor with 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
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Human eye light level sensor BH1750
Let’s study the human eye light level sensor BH1750, a sensor capable of sensing between 1 and 65535 Lux via i2c
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Currency converter display with ESP32
The idea is to create a currency converter display with ESP32, showing live conversion data in a OLED display with ESP32 and Arduino code
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MQTT protocol with ESP32 and 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
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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.
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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!
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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
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What is PWM and how to use it?
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
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Laser distance sensor VL53L0x time-of-flight
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
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Wireless communication with ESP-NOW on ESP32
We will implement wireless communication with ESP-NOW on ESP32. It is a protocol that works over WiFi or Bluetooth, for Espressif ESP’s
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ESP32-C6 temperature display with DHT11, TM1637
I create here an ESP32-C6 temperature display with DHT11 and TM1637. It is a 4-digit 7-segment temperature display
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DFRobot Beetle ESP32-C3
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
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SD card with ESP32-C6 and Arduino
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)
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ESP32-C6 dev board – PCBWay partnership
Let’s me show you the ESP32-C6 dev board – PCBWay partnership. They sent me 5 copies of this neat little board to test out
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ESP32 interrupts in Arduino IDE
Let’s study ESP32 interrupts in Arduino IDE, both the hardware one (digital input) and the timer one (internal timer)
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HW-006 optical line tracker sensor
The HW-006 optical line tracker sensor is an optical assembly used to track lines, mainly for small competition vehicles
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Hobby servo motor SG90 with ESP32-C6
We will see how to control the hobby servo motor SG90 with ESP32-C6, by using a library called Servo.h. Simple way of controlling a servo
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