Adafruit美國製 HUZZAH ESP8266 Breakout

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Adafruit美國製 HUZZAH ESP8266 Breakout

Adafruit設計的 Adafruit HUZZAH ESP8266 擴展板的目的是讓該晶片的使用變得超級簡單且充滿樂趣。採用了帶有板載天線和大量引腳的經過認證的模組，並將其焊接到設計的分線 PCB 上。我們添加了：

重置按鈕
使用者按鈕也可以將晶片置於引導模式
紅色 LED 可閃爍
UART 和重設引腳上的電平轉換
3.3V 輸出、500mA 穩壓器（您會假設 ESP8266 可以消耗高達 250mA 的電流，因此請相應地進行預算）
兩個二極體保護電源輸入（一個用於 USB 電纜，另一個用於電池）

Adafruit HUZZAH ESP8266 Breakout

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:

• 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)

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

One breakout at the end has an “FTDI” pinout so you can plug in an FTDI or console cable to upload software and read/write debugging information via the UART. When you’re done with your coding, remove the cable, and this little module can be embeded into your project box.