DFRobot Bluno Beetle Shield - DFR0356 wrl-15126 NFC technology expands upon high-frequency

NFC technology expands upon high-frequency RFID technology already in use and is frequently utilized in proximity access control solutions

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DFRobot Bluno Beetle Shield - DFR0356 wrl-15126 NFC technology expands upon high-frequencyThe Bluno Beetle Shield expands the Beetle's single analog and digital I O pins to the 3 pin "gravity" interface, giving more power and ground connections and making it easier to attach gravity interface modules. It also includes a convenient external power supply and a 5 8v switch to power the board on and off. To use the shield, the Bluno Beetle is stacked on to the shield's I O pins and then soldered in place. Digital I O Pins x4: D2 D5 Analog