Lower relay power consumption by histeresis and PWM
Learn how to lower relay power consumption by harnessing its coil’s histeresis via PWM with Arduino
ESP32-S2 based Franzininho Wi-Fi dev board
Learn how to use the Franzininho Wi-Fi, an educational board based on the ESP-S2, programmed in micropython
Franzininho C0: a Brazilian STM32C0 dev board
An educational development board featuring a SMT32C0, programmed via STM32Cube IDE
Analog input keypad with Arduino
Learn how to implement a 10 key keypad using only one analog pin as their interface, with Arduino
Temperature and humidity on a LCD display with Arduino
A weather station reading temperature and humidity using a DHT11 sensor and a LCD display
A binary thermometer with Arduino and LM35
A binary (with LEDs) thermometer with LM35 and Arduino UNO
A substitute for the delay() function in Arduino
Let’s learn how to implement a substitute for the delay() function in Arduino, using the function micros() and some clever coding
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