The Uno R3 is an ATmega328p chip based microctroller. It features 14 digital input/output pins, 6 analog input pins, a 16 MHz ceramic resonator, a USB connection port, an onboard DC power jack, an ICSP header, and a microcontroller reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC to DC adapter or battery to get started. You can tinker with your UNO R3 without worrying too much about doing something wrong, worst case scenario you can replace the chip (ATmega328p) for a few rupees and start over again.
Pins–
Built-in LED Pin | 13 |
Digital I/O Pins | 14 |
Analog input pins | 6 |
PWM pins | 6 |
Communication-
UART | Yes |
I2C | Yes |
SPI | Yes |
Power-
I/O Voltage | 5V |
Input voltage (nominal) | 7-12V |
DC Current per I/O Pin | 20mA |
Power Supply Connector | Barrel Plug |
Clock speed –
Main Processor | ATmega328P 16 MHz |
USB-Serial Processor | ATmega16U2 16 MHz |
Memory –
ATmega328P | 2KB SRAM, 32KB FLASH, 1KB EEPROM |
Compatibility –
Arduino IDE | Yes |
CLI | Yes |
Dimensions –
Weight | 25g |
PCB Size | 53.4 x 68.6mm |
Docs –
ATmega328P Datasheet | Link |
What’s in the Box:
- 1 x Uno R3
- 1 x USB 2.0 Cable – A-Male to B-Male
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