Espressif ESP8685-WROOM-03 User Manual

1 Overview
1 Overview
1.1 Module Overview
ESP8685-WROOM-03 is a general-purpose Wi-Fi and Bluetooth LE module. The rich set of peripherals and a small
size make this module an ideal choice for smart homes, industrial automation, health care, consumer electronics,
etc.
ESP8685-WROOM-03 comes with a PCB antenna.
Table 1: ESP8685WROOM03 Specifications
Categories Parameters Specifications
Wi-Fi
Protocols
IEEE 802.11 b/g/n (1T1R mode with data rate up to
150 Mbps)
Frequency range 2412 ~ 2462 MHz
Bluetooth
®
Protocols Bluetooth
®
LE: Bluetooth 5 and Bluetooth mesh
Radio
Class-1, class-2 and class-3 transmitter
AFH
Audio CVSD and SBC
Hardware
Module interfaces
GPIO, SPI, UART, I2C, I2S, remote control peripheral,
LED PWM controller, general DMA controller, TWAI
®
controller (compatible with ISO 11898-1), USB Seri-
al/JTAG controller, temperature sensor, SAR ADC
Integrated crystal 40 MHz crystal oscillator
Operating voltage/Power supply 3.0 V ~ 3.6 V
Operating current Average: 80 mA
Minimum current delivered by power
supply
500 mA
Ambient temperature –40 °C ~ +105 °C
Moisture sensitivity level (MSL) Level 3
1.2 Pin Description
GND
3V3 RX
TX
IO9
EN
Keepout Zone Keepout Zone
Pin Layout(Top) Pin Layout(Bottom)
EN
IO1
IO6
IO7 IO3
Pin1
Pin2
Pin3
Pin4
Pin5
3V3
GND
RX
TX
IO5
Pin6 Pin7 Pin8 Pin9
Pin10
IO4Pin11
EPAD
Figure 1: Pin Layout (Top View)
Espressif Systems 4 ESP8685-WROOM-03 User Manual v0.1

Espressif ESP8685-WROOM-03 Specifications

General

Brand	Espressif
Model	ESP8685-WROOM-03
Category	Microcontrollers
Language	English