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Sparkfuns First Impressions of the ESP32

Sparkfuns First Impressions of the ESP32
Added: 2 years ago

Last year, the ESP8266 took the embedded IoT world by storm. For less than $10, you could get a programmable, WiFi-enabled microcontroller with just enough GPIO to wiggle some LEDs and monitor some sensors. I spent a good chunk of the year working with the chip – laying out a handful of boards, and mostly wrestling with the lightly-documented SDK (to put it nicely). Fortunately, a huge community sprang up around the chip, and some amazing tools and firmwares were created to support it, like ESP8266 Arduino and NodeMCU.

This year Espressif – the semiconductor company behind the ESP8266 – is releasing a new Internet-capable microcontroller: the ESP32.

The ESP32 doesn’t replace the ESP8266, but it does improve on it in every aspect. Not only does it have WiFi support, but it also features a Bluetooth 4.2 radio, making it even more versatile. The CPU is similar to the ESP8266 – it’s a 32-bit Xtensa® LX6, but the ESP32 has two cores! There’s also 128KB of ROM and 416KB SRAM, but Flash memory (for program and data storage) is still left up to an external chip (up to 64MB).

Read the whole artikel at the Sparkfun website.


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