Product Description The WeMos LOLIN D32 V1 – ESP32 CH340C is a powerful dual-core WiFi Bluetooth development board featuring the ESP32-WROOM-32 (REV1) module with 4 MB flash memory and CH340C USB-to-serial bridge. It supports up to ~240 MHz clock speed, includes a built-in LiPo battery charging circuit, and exposes many GPIOs for analog and digital interfacing. Ideal for IoT, wireless control, sensor data acquisition, and portable projects. At PowerMark Solution, we provide authentic LOLIN D32 V1 boards so you can innovate with high-performance wireless embedded systems confidently. Features Dual-core ESP32 (REV1) processor, up to 240 MHz. 4 MB flash memory. CH340C USB-to-serial converter via Micro-USB port. 22 digital I/O pins. 6 analog input pins. 2 DAC (analog output) pins. Built-in LiPo battery charger with PH-2 connector. LED onboard (GPIO5) as status/power indicator. Applications Wireless sensor hubs, telemetry nodes. Portable / battery-powered IoT devices. Robot or drone control. Home automation projects. Data logging (temperature, humidity etc.). Wearables with display or feedback. Technical Specifications Specification Details Microcontroller ESP32-WROOM-32 (REV1) Operating Voltage 3.3V logic Max Clock Speed ~240 MHz Flash Memory 4 MB Digital I/O Pins 22 Analog Input Pins 6 Analog Output Pins (DAC) 2 Battery Support LiPo battery, PH-2 connector USB Interface CH340C via Micro-USB Physical Size ~57 mm × 25.4 mm Weight ~6.1 g Package Includes 1 × WeMos LOLIN D32 V1 ESP32 CH340C Development Board Documentation Pin-out diagram & schematics. Sample code for WiFi, Bluetooth, ADC/DAC. Instructions for using the LiPo battery and CH340 driver setup. FAQs Q1: Can I power via LiPo battery?A: Yes, there is a built-in LiPo battery charging circuit and PH-2 battery connector. Q2: What logic voltage are the I/O pins?A: All I/O operate at 3.3V — do not apply 5V signals directly. Q3: How do I program this board?A: Use the CH340C USB-to-serial interface via the Micro-USB port for programming. Q4: How many analog inputs and DAC outputs are available?A: 6 analog input pins and 2 DAC pins are provided.
