ESP8266
Hardware
- It's a wireless SoC
- It has GPIO, I2C, ADC, SPI, PWM and some more
- It's running at 80MHz
- 64KBytes of instruction RAM
- 96KBytes of data RAM
- 64KBytes boot ROM
- It has a Winbond W25Q40BVNIG SPI flash
- It's a RISC architecture
- The core is a 106micro Diamond Standard core (LX3) made by Tensilica
- The ESP8266 chip is made by Espressif
- Modules bearing this chip are made by various manufacturers