![wiring - Potentiometer on 16x2 LCD, does it need to be connected to VCC? - Raspberry Pi Stack Exchange wiring - Potentiometer on 16x2 LCD, does it need to be connected to VCC? - Raspberry Pi Stack Exchange](https://i.stack.imgur.com/TVEHQ.gif)
wiring - Potentiometer on 16x2 LCD, does it need to be connected to VCC? - Raspberry Pi Stack Exchange
![Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working](https://939506.smushcdn.com/2600043/wp-content/uploads/2/2/1/5/22159166/1508528_orig.jpg?lossy=0&strip=1&webp=1)
Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working
![arduino uno - Why adding a LED between Pin 3 and Ground causes LCD display not to show text? - Arduino Stack Exchange arduino uno - Why adding a LED between Pin 3 and Ground causes LCD display not to show text? - Arduino Stack Exchange](https://i.stack.imgur.com/n9x7m.jpg)
arduino uno - Why adding a LED between Pin 3 and Ground causes LCD display not to show text? - Arduino Stack Exchange
![Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working](https://939506.smushcdn.com/2600043/wp-content/uploads/2/2/1/5/22159166/5919393_orig.jpg?lossy=0&strip=1&webp=1)
Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working
![Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working Character Lcd 8x1, 8x2, 8x4, 16x1, 16x2 20x1, 20x2, 20x4, 24x1, 24x2, 24x4, 32x1, 32x2, 40x1, 40x2, 40x4 Pinout and Working](https://www.engineersgarage.com/wp-content/uploads/2/2/1/5/22159166/variable-resitor-potentiometer-with-16x2-lcd-contrast-pin-settings_orig.jpg)