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433MHz transmitter receiver Arduino
Do you know how to use the 433MHz transmitter receiver with Arduino? it allows wireless communication between two parts
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Soldering pin headers – quick video
Just a quick video of myself soldering pin headers on the Sipeed Tang Nano 4k FPGA board, by means of a soldering iron and a breadboard
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TP4056 battery charger chip
I am going to investingate how the TP4056 battery charger chip works, by explaining its workins to you, and how to apply it in your projects
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Convert from float to byte/bit Arduino
Let’s study a way to convert from float to byte/bit in Arduino code, using the bitRead() function and a bit of logic
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NTC thermistor temperature sensor Arduino
We will learn how to use the NTC thermistor temperature sensor with Arduino, reading it on an analog input
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What are the Arduino alternatives? part 2
Let’s discover what are the Arduino alternatives, companies that make board similar to the ones Arduino makes.
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Develop a circuit board – ESP32-C6 update 2
Update on how to develop a circuit board with ESP32-C6, using Kicad and featuring sensors link DHT11 and LM35, also a LED RGB WS2812
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Develop a circuit board – ESP32-C6 update 1
Let’s give a update on developing a circuit board – ESP32-C6 WiFi. It may feature sensors (DHT11 and LM35) and a WS2812 LED
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Develop a circuit board – ESP32-C6
See the process to develop a circuit board for the ESP32-C6 with some sensors onboard, like the LM35, DHT11 and also a LED WS2812
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Attiny85 thermometer: binary display
Let’s create an Attiny85 thermometer using DHT11 temperature sensor and six LEDs as the binary display
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DHT11 temperature sensor ESP32-S2
Let’s connect and learn how to use the DHT11 temperature sensor with ESP32-S2 Franzininho. It is a one-wire temperature and humidity sensor
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BMP280 temperature sensor ESP32-S2
See how to use a BMP280 temperature sensor with ESP32-S2 Franzininho WiFi, via i2c communication protocol. Measuring temperature and atmospheric pressure.
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DS18b20 temperature sensor ESP32-S2
We are going to get to know the DS18b20 temperature sensor with ESP32-S2 Franzininho WiFi, a sensor that communicates with the microcontroller via one wire
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SHT21 temperature sensor ESP32-S2
We will learn how to interface the SHT21 temperature sensor with ESP32-S2, via i2c protocol
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STM32 Blue pill Arduino IDE
Let’s learn how to use the STM32 Blue pill Arduino IDE package, in this case to blink an LED
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Raspberry Pi Pico temperature sensor
Let’s learn in this post how to use the Raspberry Pi Pico temperature sensor, an internal diode that can give us the chip temperature
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Hackaday business card contest
Let’s talk about a project I made for the Hackaday business card contest, which is happening in 2024 and having some money prizes
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Raspberry Pi Pico with Arduino IDE
It is easy to program the Raspberry Pi Pico with Arduino IDE, all you need is a URL, the IDE and the board itself
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Why use Arduino interrupts?
Today we will learn Why use Arduino interrupts, with an example of code I used in the company I work for. I solved a big problem easily
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How to test thyristor and triac
Let’s dive into and see how to teste thyristor and triac using a power supply, some resistors and LEDs. Multimeter is optional