July 29, 2016
The WIFI enabled ESP8266 is one of those great chips to quote an old tradesman’s saying “it just does what it says on the tin”.
It’s only been around for a few short years but it’s made a great impact in the boom in WIFI enabled projects and products.
Building on this success of the ESP8266, Espressif announced the ESP32 late last year (2015).
As well as WIFI the ESP32 also features:
- Dual Core 32-bit Micros
- RAM 512KB
- ROM 128KB
- UART x2
- SPI x4
- I2C x2
- I2S x2
- GPIO x36
- ADC 12-bit x16
- DAC 10-bit x2
With the ESP32 August release date fast approaching you can now find more solid information on its capabilities. Here’s a few links to wet your appetite:
August 31, 2015
This is a little late but I spotted this tweet from Espressif and a post on CNX about a new variation of the ESP8266 going into beta testing. The company announced the new chip which will support both Wi-Fi and Bluetooth Low Energy (BLE).
There’s not much more information other than it features a new 32-bit core, the Tensilica diamond 108 instead of the 106 and has 500KB of RAM.
December 31, 2014
I got very excited when I saw the ESP8266 modules way back in September, a WIFI module for under $5, so I ordered a few ESP-01 and they arrived in due course.
The ESP-01 is great if you just want to add WIFI connectivity to your project, but once I realised you could program the onboard micro I knew I wanted access to the GPIO and other interfaces to make a standalone WIFI I/O node. I didn’t have to wait too long and back in November when I saw the ESP-03 module which breakouts a number of GPIO signals and interfaces to pads on the module. I ordered some and they arrived just before Christmas.
There are now over a dozen different styles (ESP-xx) of ESP8266 modules.
Here’s a few good ESP8266 links:
Espressif – the company that makes the ESP8266 SoC
The ESP community forum
Sites with good info. and tutorials