Arduino Uno R3 SMD CH340G Compatible
- Microcontroller: ATmega328P
- Serial IC : CH340G
- Operating Voltage: 5V
- Input Voltage: 7-12V (recommended 5V)
- Digital I/O Pins: 14 (of which 6 provide PWM output)
- PWM Digital I/O Pins: 6
- Analog Input Pins: 6
රු1,150.00
1 in stock
The Uno R3 Ch340 operates at 5V which can be supplied via an external power supply or through the USB port connection. The power source is selected automatically if both are available. If an external supply is used, it is recommended to use a supply between 7-12V. Higher input voltages will cause the on-board regulator to work harder and may cause it to overheat.
A great feature on this version of the board is that besides the standard female headers for bringing out I/O, each female header also has a row of holes next to it to which can be soldered male headers, a second row of female headers or even wires. These can be soldered to either the top or bottom side of the board. The board comes with a strip of male headers which are normally soldered to the top side of the board as shown in one of the pictures. If the male headers are soldered to the bottom of the board, the board can’t be mounted directly into a breadboard since the separate sections of headers on one side are not spaced apart on 0.1″ centers and the holes are offset somewhat side-to-side.
The board also has an array of solder points which gives another place to access I2C (SCL/SDA), Serial (TX/RC), 3.3V, 5V and GND which can come in handy.
Like all Arduino compatible boards, it can be programmed using the Arduino IDE via the USB port.
The original Uno design which we also sell (Arduino UNO R3 – Original) uses a DIP processor placed in a socket. The benefit to that design is that it is easy to replace the processor should the chip become damaged. The downside is that the DIP part is becoming harder to find and the assemblies cost more than the SMD version.
Quick Spec
- Microcontroller: ATmega328P
- USB Chipset: CH340
- Input Voltage: 7-12V
- Logic Level: 5V
- Input Voltage: 7-12V
- Digital I/O Pins: 14
- Analog Input Pins: 6
- DC Current per I/O Pin: 40 mA
- DC Current for 3.3V Pin: 50 mA
- Flash Memory: 32 KB
- SRAM: 2 KB
- EEPROM: 1 KB (ATmega328)
- Clock Speed: 16 MHz
Pinout
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Resources
Shipping List
- 1 x UNO R3 Compatible with Arduino® – CH340 Chipset
- 1 x SIL 40 Pin Male Header
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Uriage |
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