ESP8266

The ESP8266 is a popular chip with integrated wifi, uart, gpgio, i2c, spi. Several boards are available to make it easy whip up and create powerful circuits and Internet-of-Things modules.

Details

• Purchased: 21. February 2015
• Original firmware version: 0018000902-AI03

Flash firmware

Wire up the ESP8266 as shown in the table below. Two things to note is that CH_PD is connected to 3V3 to enable the chip and GPIO0 is connected to GND to set the chip flashing/upgrade-mode on power up.

FTDI adapter	ESP8266 connector
3V3	56 cm
GND	GND
TXO	RX
RXI	TX
-	GPIO0 -> GND
-	CH_PD -> 3V3