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Using a LDR light level 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
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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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Project: time and temperature e-paper display
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
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2.9″ E-paper display from WeAct
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
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Getting started with Raspberry Pi Pico 2
This article is about getting started with Raspberry Pi Pico 2, the new foundation’s silicon and circuit board
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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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7 segment LED display 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
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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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New Raspberry Pi Pico 2 with RP2350
Do you know the new Raspberry Pi Pico 2 with RP2350? it is a dual core ARM or RISC-V microcontroller packed with features, let’s figure
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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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K type thermocouple with MAX6675
Comprehend and see how to use a K type thermocouple with MAX6675, programming an Arduino UNO to show temperature value on serial monitor
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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