ESP32
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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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Power Arduino and ESP32 from batteries
Let’s dive in and learn how to power Arduino and ESP32 with batteries, using a few Aliexpress modules on the way. All safe and sound.
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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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Binary clock with ESP32 and API
I am showing you how to implement a binary clock with ESP32 and API, getting hour and minute from the internet and showing in LEDs
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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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APDS9900 cellphone presence sensor
Let’s learn how to use the APDS9900 cellphone presence sensor, a light and presence sensor by Broadcom for cellphones
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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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LM35 temperature sensor with ESP32
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.
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Ultrasonic distance sensor HC-SR04 with ESP32
Today we are going to talk about the ultrasonic distance sensor HC-SR04 with ESP32, a neat little sensor used to measure distances
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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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GY-50 L3G4200D gyroscope with ESP32
We will learn how to use the GY-50 L3G4200D gyroscope with ESP32, a component made by ST semiconductor to measure angular velocity
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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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Minimalist USB thermometer with ESP32 – the idea
I am starting the project of a minimalist USB thermometer with ESP32, based on the Xiao ESP32-C6 WiFi chip. The sensor is connected via i2c.
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Remote control RC car project – the beginning
I am just starting a Remote control RC car project, a complete radio controlled controller + control board from scratch, come with me
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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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