ATtiny84 is high-performance and packed with Microchip's picoPower technology in an 8-bit AVR RISC architecture based Microcontroller unit that has 14 pins, out of which 12 pins can be used as I/O pins.
Developing cloud-connected applications require a significant amount of time and resources for embedded designers because of the required expertise in communications protocols, security, and hardware compatibility.
ATTINY88 is 8-bit microcontroller with 8Kbytes In-system Programmable Flash. The controller is designed for high performance and low power consumption and comes in various packages like DIP, QPF, and QPN for different applications.
ATTINY45 is high performance, low power controller from ATMEL. It is an 8 bit controller based on Advanced RISC architecture. It is one of members of ATTINYXX series, popular because of its small size and features.