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OLED display with Arduino
Today we are going to dive into the technology of OLED display with Arduino, trying out two libraries and settling for one with Arduino UNO
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Bicycle odometer project – update 3
Another update for you on the bicycle odometer project, showing that I have finished the schematic and routing the PCB
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Bicycle odometer project – update 2
A quick update on the bicycle odometer project, to show you that I have finished the schematic and done a tentative PCB design
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Bicycle odometer project
Update one of the bicycle speedometer project, an instrument used to measure speed of a bicycle using a single reed switch sensor
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RCWL-0516 microwave radar sensor
Let’s talk about the RCWL-0516 microwave radar sensor, a human-presence detector sensor using microwaves. Simple Arduino interface (one wire)
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PIR motion sensor Arduino
We are discussing how to use the PIR motion sensor, a infrared human motion sensor with Arduino, using a single digital input
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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