Adafruit Feather nRF52840 Express 12V DC Solenoid for Electric Door Lock Wide Selectable Range: Switch between

Wide Selectable Range: Switch between +/-2g

Compact & Breadboard-Friendly: The small PCB footprint fits easily on breadboards

IRF540N) or NPN transistor (e

the onboard optocoupler triggers the relay coil

Over-the-air firmware update capability via Wi-Fi

Adafruit Feather nRF52840 Express 12V DC Solenoid for Electric Door Lock Wide Selectable Range: Switch betweenAdafruit Feather nRF52840 Express The Adafruit Feather nRF52840 Express is a compact, powerful microcontroller board featuring the Nordic nRF52840 SoC with integrated Bluetooth 5. 0 and NFC capabilities, designed for IoT, wearable, and wireless embedded applications. Professional developers and embedded systems engineers use this board to rapidly prototype wireless solutions requiring low power operation, high processing capability, and seamless