The Uno R3 CH340G ATmega328p 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. We have used plenty of these low-cost Arduino boards with CH340 chips, and have found them to work perfectly. The only time the CH340 chip is used is during programming and when using the serial output of the USB port. During normal operation, this board is identical to the more expensive version without the CH340 chip.
Specification:
Microcontroller Chip
ATmega328 (SMD) – Interface CH340G
Operating Voltage (VDC)
5
Input Voltage(Recommended)
7-12V
Input Voltage (limit)
6-20V
Analog I/O Pins
6
Digital I/O Pins
14 (of which 6 provide PWM output)
PWM Digital I/O Pins
6
DC Current for 3.3V Pin (mA)
50
DC Current per I/O Pin (mA)
40
Clock Speed
16 MHz
SRAM
2
EEPROM
1 KB (ATmega328)
Flash Memory
32 KB
Power Supply Option
DC Jack or USB
On-Board LEDs
On/Off, L (PIN 13), TX, RX
Operating Temperature (°C)
-40 to 90
Features:
Two rows of the holes for the pins (Male and Female). So it can be connected with normal Female Jumpers.
Additional 3 rows of the holes for wiring.
Changes to the DIP package of ATMEGA328P to flat package.
CH340G replace ATmega16U2
Package Included:
1 x SMD Uno R3 Development Microcontroller Board
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