This module is a self-locking switch. Press the button to turn it to the "on" state and press it again to turn it to the "off" state. The board has immersion gold plating and is compatible with the "gravity" 3-pin interface making it easy to connect to an Arduino I/O Expansion Shield.
- Operating Voltage: +3.3-5V
- Output Type: Digital
- Interface Mode: PH2.0-3P
- Dimension: 30*22mm/1.18*0.86 inches
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