2278Uno R3 CH340G ATmega328p SMD Development Board is the low-cost version of the popular Uno R3 Arduino. It is assembled with the CH340 USB to Serial converter chip, instead of using an Atmega16U2 chip.
Specifications:-
- Microcontroller : ATmega328 SMD.
- Operating Voltage : 5V.
- Supply Voltage recommended : Â 7-12V DC.
- Digital I/O Pins : 14 (of which 6 provide PWM output).
- Analog Input Pins : 6.
- DC Current per I/O Pin : 40 mA.
- DC Current for 3.3V Pin : 50 mA.
- Flash Memory : 32 KB (ATmega328) of which 0.5 KB used by bootloader.
- SRAM : 2 KB (ATmega328).
- EEPROM : 1 KB (ATmega328).
- Clock Speed : 16 MHz.
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