Parts › Microcontrollers & ProcessorsAll8051 & 8-bit (6)AVR (ATmega / ATtiny) (10)ESP32 / ESP8266 (16)MSP430 (1)Nordic nRF (4)Other MCUs & CPUs (1)PIC & dsPIC (5)RP2040 / RP2350 (1)STM32 (6)8031 CPU8051 MicrocontrollerAT89C2051AT89C51AT89S52W79E2051 Microcontroller