IoT Hacks for IoT geeks.

Arduino Uno

11:16 AM Posted by Gopal Kildoliya No comments

The Arduino Uno is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a 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.

Microcontroller                               ATmega328
Operating Voltage                          5V
Input Voltage (recommended)          7-12V
Input Voltage (limits)                     6-20V
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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