Description
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Characteristics
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Description
Summary
WiFi kit 32 is a classic IoT Dev-board designed&produced by Heltec Automation(TM), It’s a highly integrated product based on ESP32(including WiFI and BLE), Li-Po battery management system,0.96” OLED are also included. It’s the best choice for smart citites,farms homes,and IoT makers.
Compared to WiFi Kit 32 (V2), V3 has made the following upgrades:
Item | WiFi Kit 32 (V2) | WiFi Kit 32 (V3) |
---|---|---|
MCU | ESP32-D0 | ESP32-S3 |
USB Socket | Micro USB | USB Type C |
Low Power Features in Deep Sleep | ≈800uA | <10uA |
Other Update | Better impedance matching of RF circuits. |
Main Features
- Microprocessor: ESP32-S3FN8 (Xtensa ® 32-bit LX7 dual-core processor, five-stage pipeline rack Structure, main frequency up to 240 MHz);
- Type-C USB interface with a complete voltage regulator, ESD protection, short circuit protection, RF shielding, and other protection measures;
- Onboard SH1.25-2 battery interface, integrated lithium battery management system(charge and discharge management, overcharge protection, battery power detection, USB / battery power automatic switching);
- Onboard Wi-Fi, Bluetooth 2.4GHz PCB antenna;
- Onboard 0.96-inch 128*64 dot matrix OLED display, which can be used to display debugging information, battery power, and other information;
- Integrated CP2102 USB to serial port chip, convenient for program downloading, debugging information printing;
- Support the Arduino development environment;
Specifications
Parameters | Description | Master Chip | ESP32-S3FN8(Xtensa®32-bit lx7 dual core processor) |
---|---|
USB to Serial Chip | CP2102 |
WiFi | 802.11 b/g/n, up to 150Mbps |
Bluetooth LE | Bluetooth 5, Bluetooth mesh |
Hardware Resource | 7*ADC1+2*ADC2; 7*Touch; 3*UART; 2*I2C; 2*SPI, etc. |
Memory | 384KB ROM; 512KB SRAM; 16KB RTC SRAM; 8MB SiP Flash |
Interface | Type-C USB; 2*1.25 lithium battery interface; 2*18*2.54 Header Pin |
Battery | 3.7V lithium battery power supply and charging |
Power Consumption | Deep Sleep 10uA |
Operating Temperature | -20~70℃ |
Dimensions | 50.2 * 25.5* 10.2 mm |
Description
Pin Map
High light
USB Type C
The power supply, firmware download, and debugging interfaces adopt a more universal USB Type C interface, making development work more convenient.
Docs & Resource
- [Resource] — Heltec ESP(ESP32&ESP8266) framework
- [Resource] —Datasheet
- [Resource] —Schematic diagram
- [Resource] —Downloadable Resources
Packing list
The default packing list without selecting any accessories is as follows:
Item | Quantity |
---|---|
WiFi Kit 32 (V3) | x1 |
SH1.25 x 2 battery cable | x1 |
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Characteristics
Weight | 30 g |
---|---|
Dimensions | 6.6 × 6.6 × 2 cm |
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