The HKD Wemos LoLin32 is a powerful and versatile development board based on the Espressif ESP-WROOM-32 module, designed for a wide range of IoT, robotics, and embedded applications. Featuring a dual-core 240 MHz microprocessor, 4MB of SPI flash memory, and support for up to 16MB, this board provides exceptional performance for demanding projects.Connectivity is a standout feature, with integrated WiFi (802.11 b/g/n) and Bluetooth 4.0 LE, making it easy to connect your projects wirelessly. Security is enhanced with hardware-accelerated cryptography, supporting AES, SHA2, RSA-4096, and ECC algorithms, ensuring reliable and secure communication.The LoLin32 board is also equipped with a JST XH2-2.54mm LiPo battery connector, complete with reverse polarity protection, allowing you to easily integrate portable power into your designs. Charging is handled directly via the onboard micro-USB connector, which is also used for programming.Unlike earlier ESP32 development boards, the LoLin32 has a narrower profile, leaving rows of breadboard pins free on either side, making it much more convenient for prototyping.
Key Features
Based on ESP-WROOM-32 from Espressif
Dual-core 240 MHz microprocessor with low-power modes
4MB SPI flash memory (supports up to 16MB)
WiFi (802.11 b/g/n) and Bluetooth 4.0 LE connectivity
Hardware cryptographic support: AES, SHA2, RSA-4096, ECC
Integrated LiPo battery connector (JST XH2-2.54mm, keyed for polarity protection)
Onboard micro-USB for programming and battery charging
Breadboard-friendly design, slimmer than earlier ESP32 boards
Low-power consumption with 5 A deep sleep mode
Integrated sensors: Hall effect and capacitive touch interface (10 inputs)
Specifications
Microcontroller Memory
Module: ESP-WROOM-32 (Espressif)
CPU: 240 MHz dual-core processor
Flash Memory: 4MB (expandable up to 16MB)
Connectivity
WiFi: 802.11 b/g/n
Security: WEP, WPA/WPA2 PSK Enterprise
Max. TX Power: 19.5 dBm @11b, 16.5 dBm @11g, 15.5 dBm @11n
RX Sensitivity: -97 dBm (max)
Bluetooth: v4.0 LE
I/O Interfaces
32 Inputs/Outputs total
26 × Digital I/O (3.3V, all PWM capable)
18 × Analog Inputs
3 × UART
3 × SPI
2 × I2S
2 × I2C
2 × DAC
Power Consumption
Supply: via Micro-USB or LiPo battery
Sleep Mode Current: 5 A
LiPo connector: JST XH2-2.54mm, keyed to prevent reverse polarity
Integrated Features
Hall effect sensor
10 × capacitive touch inputs
Applications
IoT (Internet of Things) devices and smart home projects
Robotics and automation systems
Wireless sensor networks
Portable and battery-powered electronics
DIY prototyping and hobbyist electronics
What's in the box
1 x HKD Wemos LoLin32 ESP32 Development Board WiFi + Bluetooth + LiPo Connector
