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Uno boards that don't break the bank.
- Digital I/O Digital input/output terminal, a total of 0 ~ 13.
- Analog I/O Analog input/output terminal, a total of 0 ~ 5.
- Support the ISP download function.
- The input voltage: when connected to the computer USB without external power supply, external power supply 5 v ~ 9 v dc voltage input.
- Output voltage: 5 V dc voltage output and 3.3 V dc voltage output.
- Using Atmel Atmega328 microprocessor controller
