Arduino
The “WEMOS D1 Esp-Wroom-02” that I got from VNG Systems is another microcontroller development board with an ESP8266 WiFi chip. This board also has an OLED screen, 18650 battery charging
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Arduino
One of the fun things about Arduino is the availability of many types of sensors. With those sensors you are able to measure and detect about anything. Most of them
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Arduino
Nowadays, OLED screens for electronics projects are very affordable. They come in many shapes and sizes. Some are monochrome or two color but you can also get full
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