ESP32 38-Pin WiFi + Bluetooth NodeMCU Development Board
Common Ground Point 2 pin | ESD protection (112)
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In electrical engineering, ground or earth is the reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the earth. Electrical circuits may be connected to ground (earth) for several reasons.
| Dimensions | 5 x 4 x 3cms |
| Weight | 5 grams |