The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface. This tiny little board does all of the neat-o Arduino tricks that you're familiar with: 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx.
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Board Mode: LEDNARDO R3. Maximum current of 5V digital/analog port: 40mA. We provide the free cable with you. Color:As shown in the pictures. Net tweight:18 g.
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Als kleinstes DFRobot-Board, das mit Arduino Leonardo kompatibel ist, verfügt es über ähnlich leistungsstarke Funktionen. Für Studenten und Macher, die sich nicht allzu viel für den Kauf von Hardware leisten können, kann Beetle eine großartige Lösung sein.
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Micro USB: 1. Analog Input Channels: 5. Clock Speed: 16 MHz.
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ATMega 32U4 running at 5V 16MHz Supported under Leonardo IDE v1.0.1 On-Board micro-USB connector for programming 4 x 10-bit ADC pins 12 x Digital I/Os (5 are PWM capable) Rx and Tx Hardware Serial Connections .
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eBay
The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface. This tiny little board does all work for Arduino tricks that you're familiar with: 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx.
eBay