|Item model number||2471|
|Item Weight||0.32 ounces|
|Product Dimensions||3 x 2 x 1 inches|
|Item Dimensions L x W x H||3 x 2 x 1 inches|
WiFi / 802.11 Development Tools HUZZAH ESP8266 Breakout (1 piece)
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- Price For: Pack of 1 Manufacturer: Adafruit Industries Product Category: WiFi / 802.11 Development Tools RoHS: Product: Breakout Boards Tool Is For Evaluation Of: ESP8266 Protocol Supported: 802.11 b/g/n Frequency: 2.4 GHz Operating Supply Voltage: 3.3 V Antenna Connector Type: Internal Brand: Adafruit Description/Function: Breakout board for ESP8266
- Dimensions: 38 mm x 25 mm x 5 mm Interface Type: I2C/SPI, UART Packaging: Bulk Tradename:
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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, its 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 Adafruit HUZZAH ESP8266 breakout is what we designed to make working with this chip super easy and a lot of fun. We took a certified module with an onboard antenna, and plenty of pins, and soldered it onto our designed breakout PCBs. We added in:
User button that can also put the chip into bootloading mode,
Red LED you can blink,
Level shifting on the UART and reset pin,
Two diode-protected power inputs (one for a USB cable, another for a battery)
Two parallel, breadboard-friendly breakouts on either side give you access to:
1 x Analog input (1.8V max)
9 x GPIO (3.3V logic), which can also be used for I2C or SPI
2 x UART pins
2 x 3-6V power inputs, reset, enable, LDO-disable, 3.3V output
Each order comes with one assembled and tested HUZZAH ESP8266 breakout board, and a stick of 0.1" header that you can solder on and plug the breakout into a breadboard. A soldering iron and solder are required for that, and aren't included. Solderless breadboard also not included. You'll really want a USB-serial cable such as a USB console cable (good for Windows, not suggested for MacOSX users), FTDI Friend (great for any OS), or FTDI cable (great for any OS) to upload software to the HUZZAH ESP8266!
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The advantage to this version of ESP8266 over others is the power regulator (I think it will take 5v to 12v) instead of just 3.3v and excellent on-line documentation on the Adafruit website, as well as the specific support by the Arduino IDE.
Note, you do need to solder the pins to the carrier, but that's typical and should be no problem to anyone used to Arduino wiring.
I now have mine connected to a LED lamp controllable via web browser.
Other than that little problem, this unit is AMAZINGLY useful, absolutely brilliant. I don't think I'll ever use a regular arduino ever again if I can avoid it! Normal ESP-8266 units can be extremely finicky and difficult to get working. You have to deal with the firmware, setting the baud rate, dealing with the strange voltages for IO and VCC that the different boards can use, etc....
The ONLY complaint I would have about the Huzzah is that it only has a single analog input pin. That generally works fine for me since I rarely use more than one at a time. Overall, it's an amazing board.
So I just have to try to push the code over and over again and eventually it'll work. Weird.
Other than that it works great though.