Adafruit HUZZAH ESP8266 Breakout

Name: Adafruit HUZZAH ESP8266 Breakout
Brand: Adafruit
SKU: 2471

STEP STL STL STL STL

ESP8266-based WiFi microcontroller breakout running at 80 MHz. Adds wireless connectivity to projects at low cost.

Logical pinout · physical placement not verified

One grouped source record is expanded into separate logical pads where unambiguous; physical placement is not implied.

V+
Type · PowerVoltage · 3.4-6V, 4-6V recommended
VBat
Type · PowerVoltage · 3.4-6V
3V
Type · PowerVoltage · 3.3V
GND
Type · GroundVoltage · 0V
TXRX
Type · UARTVoltage · 3.3V TX, 5V-compliant RX
#0#2#4#5#12#13#14#15#16
Type · GPIOVoltage · 3.3V only
A
Type · AnalogVoltage · 0-1.0V max
RSTEN
Type · ControlVoltage · logic

Pin	Type	Voltage
V+	Power	3.4-6V, 4-6V recommended
VBat	Power	3.4-6V
3V	Power	3.3V
GND	Ground	0V
TXRX	UART	3.3V TX, 5V-compliant RX
#0#2#4#5#12#13#14#15#16	GPIO	3.3V only
A	Analog	0-1.0V max
RSTEN	Control	logic

Logical pinout · physical placement not verified

One grouped source record is expanded into separate logical pads where unambiguous; physical placement is not implied.

Pin details

8 connections

V+
PowerVoltage · 3.4-6V, 4-6V recommended
VBat
PowerVoltage · 3.4-6V
3V
PowerVoltage · 3.3V
GND
GroundVoltage · 0V
TXRX
UARTVoltage · 3.3V TX, 5V-compliant RX
#0#2#4#5#12#13#14#15#16
GPIOVoltage · 3.3V only
A
AnalogVoltage · 0-1.0V max
RSTEN
ControlVoltage · logic

Start wiring

USB · 3.3 V

Verify supply voltage and logic levels before powering up.

Module pins: GND, TX/RX, #0/#2/#4/#5/#12/#13/#14/#15/#16. Schematik maps them to your board in the app.

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Pinout