Description

The WeMos D1 R32 is a micro-controller board based on the WROOM ESP32 and has the Arduino Uno form factor. It has 14 digital I/O pins, 6 analog inputs, a 160MHz dual-core 32bit processor. This board can be programmed with the popular Arduino IDE making it quite versatile for a wide range of projects.

Features

• Features standard UNO size and headers.
• 3.3V logic (It is recommended to use 3.3 -5V logic converters)
• CPU and Memory: Xtensa® 32-bit LX6 Dual-core processor (160MHz), up to 600 DMIPS.
• 4 MByte SPI Flash.
• 448 KByte ROM.
• 520 KByte SRAM.
• Dimensions: 68mm x 53mm x 3.1mm (±0.2mm)
• Supply Voltage: DC 5V to 12V.

WiFi Specifications

• 802.11 b/g/n/e/i
• 802.11 n (2.4 GHz), up to 150 Mbps
• 802.11 e: QoS for wireless multimedia technology.
• WMM-PS, UAPSD
• MPDU and A-MSDU aggregation
• Block ACK
• Fragmentation and Defragmentation
• Automatic Beacon monitoring/scanning
• 802.11  security features: pre-authentication and TSN
• Wi-Fi Protected Access (WPA)/WPA2/WPA2-Enterprise/Wi-Fi Protected Setup (WPS)
• Infrastructure BSS Station mode/SoftAP mode
• Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management
• UMA compliant and certified
• Antenna diversity and selection

Bluetooth Specifications

• Compliant with Bluetooth v4.2 BR/EDR and BLE specification
• Class-1, class-2 and class-3 transmitter without external power amplifier
• Enhanced power control
• +10 dBm transmitting power
• NZIF receiver with -98 dBm sensitivity
• Adaptive Frequency Hopping (AFH)
• Standard HCI based on SDIO/SPI/ High-speed UART HCI, up to 4 Mbps
• BT 4.2 controller and host stack
• Service Discover Protocol (SDP)
• General Access Profile (GAP)
• Security Manage Protocol (SMP)
• Bluetooth Low Energy (BLE)
• ATT/GATT
• HID
• All GATT-based profiles supported
• SPP-Like GATT-based profile
• BLE Beacon
• A2DP/AVRCP/SPP, HSP/HFP, RFCOMM
• CVSD and SBC for audio codec
• Bluetooth Piconet and Scatternet

Note:

• This board uses the CH340 USB to serial chip. You may need to download the latest CH340 driver: http://www.wch.cn/download/CH341SER_ZIP.html
• Read more here: http://www.microcontrols.org/arduino-uno-clone-ch340-ch341-chipset-usb-drivers/
• This board uses 3.3V logic (It is recommended to use 3.3 -5V logic converters)
• This controller uses a micro USB cable. (Not included)