ESP8266 ESP-12F CP2102

*These are the controllers used on the Duo2Go 1.X

Micro-USB interface

• 11 b/g/n Wi-Fi Direct (P2P), soft-AP
• CP2102 Serial / USB Chip
• +19.5dBm output power in 802.11b mode
• 4MB Flash Memory
• Integrated low power 32-bit CPU
• SDIO 1.1 / 2.0, SPI, UART
• Dimensions – 49 x 24.5 x 13mm
• Integrated TR switch, balun, LNA, power amplifier and matching network
• Integrated PLLs, regulators, DCXO and power management units
• On board USB to serial chip to easily program and upload codes from the Arduino IDE
• Embeds logic level converter circuits
• on board 3.3V regulator
• Easy access to the GPIO pins for easy prototyping
• ESP-12F Processor
• Easy to use breadboard friendly form factor