Add Internet to your next project with an adorable, bite-sized WiFi microcontroller, at a price you like! The ESP8266 processor from Espressif is an 80 MHz microcontroller with a full WiFi front-end (both as client and access point) and TCP/IP stack with DNS support as well. While this chip has been very popular, it's also been very difficult to use. Most of the low cost modules are not breadboard friendly, don't have an onboard 500mA 3.3V regulator or level shifting, and aren't CE or FCC emitter certified....UNTIL NOW!
The HUZZAH ESP8266 breakout is designed to make working with this chip super easy and a lot of fun. Adafruit took a certified module with an onboard antenna, and plenty of pins, and soldered it onto their designed breakout PCBs. They added in:
- Reset button
- User button that can also put the chip into bootloading mode,
- Red LED you can blink
- Level shifting on the UART and reset pin
- 3.3V out, 500mA regulator (you'll want to assume the ESP8266 can draw up to 250mA so budget accordingly)
- Two diode-protected power inputs (one for a USB cable, another for a battery)
The module itself is FCC certified and contains the ESP8266 chip with 64 KiB of instruction RAM, 96 KiB of data RAM, and 4 MB of QIO FLASH (32 Megabits)
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