Ai‑Thinker PB‑03M BLE 5.2 Bluetooth Module
The Ai-Thinker PB-03M is a state-of-the-art Bluetooth Low Energy (BLE) module designed to provide seamless wireless connectivity for a wide range of applications. Built around the PHY6252 chip, this module supports BLE 5.2, ensuring compatibility with the latest Bluetooth standards and offering enhanced performance in terms of range, speed, and power efficiency.
The PB-03M module is engineered for high integration and low power consumption, making it an ideal choice for Internet of Things (IoT) devices, mobile peripherals, wearable electronics, and smart home systems. Its compact size of 18mm x 18mm x 2.8 mm and DIP-18 gold finger plugin package allow for easy integration into various designs, while the on-board antenna simplifies the development process by eliminating the need for external antenna components.
Features:
- Support BLE5.2, rate support:125Kbps, 500Kbps, 1Mbps, 2Mbps.
- Own 64 KB SRAM,256KB flash, 96 KB ROM,256bit efuse.
- Support UART/GPIO/ADC/PWM/I2C/SPI/PDM/DMA interface.
- Adopt DIP-18 Gold finger plugin package.
- Support multiple sleep modes, deep sleep current is less than 1uA.
- Support for serial local upgrade and remote Firmware upgrade (FOTA).
- Universal AT instructions can be used easy and quickly.
- Support for secondary development, with an integrated Windows development
environment.
Specifications:
| Parameter | Specification |
|---|---|
| Model | PB-03M |
| Package | DIP-18 Gold Finger Plugin |
| Size | 18mm × 18mm × 2.8mm(±0.2mm) |
| Antenna | On-board antenna |
| Frequency | 2400 – 2483.5 MHz |
| Operating Temperature | -40°C -85°C |
| Storage Temperature | -40°C – 125°C, < 90% RH |
| Power Supply | Voltage: 2.7V ~ 3.6V, Current > 200 mA |
| Interface | UART, GPIO, ADC, PWM, I²C, I²S, SPI, PDM, DMA |
| IO Count | 15 |
| UART Rate | Default 115200 bps |
| Bluetooth | BLE 5.2 |
| Security | AES-128 |
| SPI Flash | 256 KB |
Pin Configuration:
| No. | Pin Name | Function |
|---|---|---|
| 1 | P31 | GPIO31 |
| 2 | P16 | GPIO16 / 32.768KHz Crystal Input |
| 3 | P2 | GPIO2 / SWD Debug Data Input |
| 4 | P3 | GPIO3 / SWD Debug Clock |
| 5 | P32 | GPIO32 |
| 6 | P10 | RXD / GPIO10 |
| 7 | P9 | TXD / GPIO9 |
| 8 | VDD | Power Input |
| 9 | GND | Ground (Power Negative Electrode) |
| 10 | P15 | GPIO15 / ADC Input 4 / MICBIAS Output |
| 11 | P10 | GPIO10 / RXD (Duplicate of Pin 6, possibly dual-mapped) |
| 12 | P14 | GPIO14 / ADC Input 3 |
| 13 | P34 | GPIO34 |
| 14 | P0 | GPIO0 |
| 15 | P18 | GPIO18 / ADC Input 7 / PGA Negative Input |
| 16 | P7 | GPIO7 |
| 17 | P11 | GPIO11 / ADC Input 0 |
| 18 | P17 | GPIO17 / 32.768KHz Crystal Output |
Application:
- Internet of Things (IoT) devices.
- Mobile peripherals.
- Wearable electronics.
- Smart home systems.
- Wireless sensor networks.
- Asset tracking.
- Industrial automation.
Package Include:
- 1x Ai‑Thinker PB‑03M BLE 5.2 Bluetooth Module.
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