Voltmeter simple with Display OLED 128x32

[cesars]

A simple 5v voltmeter, with 0.91" SSD1306 128x32, wayland/ssd1306-oled-i2c library.

• If the reading value does not change, after 1sec it reduces the brightness.
• Button D2, invert display.

Voltimetro-SSD1306-128x32.xodball (15.3 KB)

[wayland]

Nice example!

[cesars]

Thanks