Data Sheet
Manuals
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DFRobot Manuals
Internet of Things (IoT)
DFRobot Romeo BLE All-in-one Microcontroller (ATMega 328)
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Integrated sockets for
APC220 RF module
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Power supply port: USB or DC2.1
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External power supply range: 5-23V
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DC output: 5V/3.3V
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Auto sensing/switching external power input
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Size: 94mm x 80mm
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