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ESP8266 Thing (WRL-13231)
Arduino add-on available
80MHz
Name
Power
Arduino
ADC
for charging only
Unpopulated Ics
ATECC108A full turnkey ECSDA engine
TMP102 12-bit digital temperature sensor
TSL2561 luminosity/light sensor
GNDGND
3V33.3V
SDAD2SDA
SCLD14SCL/SCLK
DTRAuto-reset
TXOD7TX
RXID8RX
3V3Not Connected
NCNot Connected
GNDGND
MicroB USB
JST for single cell LiPo
Power switch
GND
Control
GPIO0
On bootup will run program if high and bootloader if low
Tied to DTR to run bootloader when reset
Serial
Misc
GND GND
Vin Vin
5 D5 LED
0 D0
Used in
reset
4 D4
13 D13 MOSI SPID MTCK
12 D12 MISO SPIQ MTDI
Reset to
XPO D16
deep sleep
ADC A0 10-bit 1V
EN Enable
Set to
active High
u.fl antenna connector
Not Connected
To use rotate 0ohm resistor 90deg
Power (ESP8266 Thing)
Vin:3.3-5.5
Vbatt: Single cell Lipo (charged via USB)
VCC (as input): 1.7V-3.6V
VCC: 3.3V @ 500mA
Max 12mA per I/O pin
PCB Antenna
Typical Power (ESP8266 module)
Transmit 135-215mA
Receive 60-62mA
Standby 0.9mA
Deep sleep 10uA
Jumpers/test points on back
DTR Jumper clear for serial debugging
FTDI VCC Jumper close to connect 3V3 pin on serial header to 3.3V supply
I2C Pullups 10kohm resistors clear to remove
RST pin connected through a 0.1uF cap to DTR for auto reset
Test points (SPI pins for the flash memory)
LEDs
Power: Red
Charge: Yellow
User (pin 5): Green
Wi-Fi
802.11 b/g/n
Wi-Fi Direct (P2P) soft AP
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