The Arduino UNO R3 (Without USB Cable) is a widely-used microcontroller board based on the ATmega328P. It is ideal for electronics, robotics, and IoT projects.
Microcontroller: ATmega328P
Operating Voltage: 5V
Digital I/O Pins: 14 (6 PWM)
Analog Pins: 6
USB Interface: Type-B (Cable Not Included)
Board Type: UNO R3 (Original Design)
The ATtiny85 is a compact 8-bit AVR microcontroller featuring 8KB Flash, 512B SRAM, and 6 I/O pins. It offers built-in ADC, PWM, and I²C/SPI/USART support, making it a go-to choice for space-constrained or low-power embedded designs.