Table of Contents
Microcontrollers
- Atmel ATSAMD21
- 32bit ARM Cortex M0+ processor @ 48MHz
- 256kB flash, 32kB SRAM
- 20 GPIO pins, 10 ADC, 1 DAC
- Native USB, UART, I2C, SPI
- $19.95
- Atmel ATSAMD21 with ATWINC1500 wifi module
- 32bit ARM Cortex M0+ processor @ 48MHz
- 256kB flash, 32kB SRAM
- 20 GPIO pins, 10 ADC, 1 DAC
- Native USB, UART, I2C, SPI
- $34.95
- STM32F205 with Cypress WICED wifi module
- 32bit ARM Cortex M3 processor @ 120MHz
- 128kB flash, 16kB SRAM, 2MB SPI flash
- 18 GPIO pins, 8 ADC, 2 DAC
- Native USB, UART, I2C, SPI
- Real time clock built in
- $34.95
- Espressif ESP8266
- 32bit Tensilica L106 processor @ 80MHz
- 4MB flash, 32kB SRAM
- 9 GPIO pins, 1 ADC
- UART, I2C, SPI
- Wifi built in
- $16.95
- Espressif ESP32
- 32bit Tensilica LX6 dual core processor @ 240MHz
- 4MB flash, 520kB SRAM
- 18 GPIO pins, 3 GPI pins, 13 ADC, 2 DAC
- UART, I2C, SPI
- Wifi built in
- $19.95