Arduino UNO R4 WiFi: A Guide to Sensors and Displays
Learn how to use the STEMMA QT/Qwiic connector on the Arduino UNO R4 WiFi to connect I²C sensors and displays, with a custom adapter board and example code.
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How to Build a Variable Constant Current Source with Sink Function
An adjustable constant current generator is an essential tool for many electronic applications, especially when a stable current is required regardless of the load. This project, designed and built with a PIC16F1765 microcontroller, combines both constant current sourcing and sinking capabilities in one device, with the ability to adjust the value from 0 to 1000…
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Display OLED I2C 0,91" 128×32 pixel
Module with 0.91″ OLED display (Organic Light Emitting Diode), 128×32 pixels, blue color, I²C interface, graphic controller SSD1306, viewing angle> 160°, interfaceable to Arduino. Equipped with good contrast, it does not need backlighting. Power supply: 3,3 to 5 VDC, dimensions (mm): 38,3x12x4, weight: 3 grams, working temperature: from -40°C to +70°C. …. Read more: Display…
