Technical summary
The WiFi Kit 32 is a classic IoT development board designed and produced by Heltec Automation(TM). It is a highly integrated product based on ESP32 (including WiFI and BLE), a Li-Po battery management system and a 0.96" OLED are also included. It is the best choice for smart cities, smart farms and IoT makers.
| Item | Wi-Fi Kit 32 (V2) | Wi-Fi Kit 32 (V3) |
|---|---|---|
| MCU | ESP32-D0 | ESP32-S3 |
| USB socket | Micro USB | USB Type-C |
| Low-consumption features in deep sleep | ≈800uA | <10 µA |
| Other update | Better impedance matching of RF circuits. |
- Microprocessor: ESP32-S3FN8 (Xtensa® 32-bit LX7 dual-core processor, five-stage pipeline rack structure, main frequency up to 240MHz);
- USB Type-C interface with full voltage regulator, ESD protection, short-circuit protection, RF shielding and other protective measures;
- Built-in SH1.25-2 battery interface, built-in lithium battery management system (charge and discharge management, overcharge protection, battery power detection, automatic USB / battery power switching);
- Built-in 2.4GHz Wi-Fi and Bluetooth PCB antenna;
- Built-in 0.96-inch 128*64 dot-matrix OLED display, which can be used to show debugging information, battery power and other information;
- Built-in CP2102 USB to serial port chip, convenient for program downloading and debugging information printing;
- Supports the Arduino development environment;
Features
| Parameters | Description |
|---|---|
| Master chip | ESP32-S3FN8 (Xtensa® 32-bit lx7 dual-core processor) |
| USB to serial chip | CP2102 |
| Wi-Fi | 802.11 b/g/n, up to 150 Mbps |
| Bluetooth LE | Bluetooth 5, Bluetooth mesh |
| Hardware resource | 7*ADC1+2*ADC2; 7*Tactile; 3*UART; 2*I2C; 2*SPI, etc. |
| Memory | 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP Flash memory |
| Interface | USB Type-C ; 2*1.25 lithium battery interface; 2*18*2.54 header pins |
| Battery | 3.7V lithium battery supply and charging |
| Power consumption | Deep sleep 10uA |
| Operating temperature | -20~70℃ |
| Dimensions | 50.2 * 25.5 * 10.2 mm |
Description
Pin map
