WFI32E03PC - Electronic component Microchip - Free user manual and instructions
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| Product Type | Wi-Fi Module with 32-bit Microcontroller |
| Dimensions | 20.0 mm x 15.0 mm x 2.1 mm |
| Weight | 2.0 g |
| Supply Voltage | 3.3 V DC |
| Operating Temperature Range | -40°C to +85°C |
| Wi-Fi Standards | 802.11 b/g/n |
| Maximum Data Rate | 54 Mbps (802.11 g) |
| Frequency Band | 2.4 GHz ISM |
| Host Interface | UART, SPI, I2C, GPIO |
| On-Chip Flash Memory | 2 MB |
| On-Chip SRAM | 512 KB |
| Security Features | WPA/WPA2 Personal, TLS/SSL |
| Antenna Type | Integrated PCB trace antenna (optional external) |
| Typical Power Consumption | 300 mA (active transmit) |
| Certifications | FCC, CE, IC |
| Software Support | MPLAB Harmony, FreeRTOS |
| Care and Cleaning | Keep dry, avoid static discharge, clean with isopropyl alcohol if needed |
| Safety Precautions | Operate within specified voltage and temperature ranges; avoid short circuits |
| Spare Parts and Reparability | Not user-serviceable; contact Microchip for replacement or repair |
Frequently Asked Questions - WFI32E03PC Microchip
How do I connect the WFI32E03PC to my microcontroller?
The module supports UART, SPI, I2C, and GPIO interfaces. For most applications, use UART at 3.3V logic levels with a baud rate up to 921600 bps.
What is the typical power consumption of the module?
In active transmit mode, the module draws about 300 mA. In sleep mode, consumption can drop to less than 10 µA.
Can I use an external antenna with this module?
Yes, the module has an optional external antenna connector. By default, it uses an integrated PCB trace antenna.
What voltage should I supply to the module?
The recommended supply voltage is 3.3 V DC. Do not exceed 3.6 V to avoid damage.
How do I update the firmware on the WFI32E03PC?
Firmware can be updated over UART using Microchip's MPLAB Harmony bootloader or via OTA (Over-The-Air) updates if supported by your application.
What security protocols are supported?
The module supports WPA/WPA2 Personal for Wi-Fi security and TLS/SSL for data encryption.
What is the maximum range of the Wi-Fi connection?
Indoor range is typically up to 30 meters, depending on obstacles. Outdoor line-of-sight range can exceed 100 meters.
Can I program the module using Arduino IDE?
Yes, with appropriate board support packages (BSP), you can program the module using Arduino IDE. Microchip also provides MPLAB X IDE support.
How do I troubleshoot if the module is not connecting to Wi-Fi?
Check power supply (3.3V), ensure antenna is connected (or integrated antenna is clear), verify SSID and password, and check for interference on 2.4 GHz band.
Is the module RoHS compliant?
Yes, the WFI32E03PC is RoHS compliant and lead-free.
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USER MANUAL WFI32E03PC Microchip
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Product information
Brand : Microchip
Model : WFI32E03PC
Category : Electronic component