Ai-Thinker PB-03 is a highly integrated and flexible low-power wireless module, supporting various applications in the Internet of Things (IoT) domain. This compact module integrates a PHY6252 core chip and supports multiple interfaces, making it an excellent choice for a wide range of embedded system applications.
Key Features
- Supports Secondary Development: Enables custom development to tailor the module for specific applications.
- Windows Development Environment: Easily integrates with a Windows-based development environment for simplified development.
- Mesh Network Support: Enables seamless integration into mesh networks for enhanced connectivity.
- Multiple Sleep Modes: Supports various sleep modes for power optimization.
- Onboard Antenna: Comes with a built-in antenna for convenience and compact design.
Technical Specifications
| Parameter | Details |
|---|---|
| Module Model | PB-03 |
| Packaging | SMD-52 |
| Dimensions | 16.6mm x 13.2mm x 2.8mm (±0.2mm) |
| Frequency Range | 2400 ~ 2483.5 MHz |
| Operating Temperature | -40°C ~ 85°C |
| Storage Environment | -40°C ~ 125°C, <90% RH |
| Power Supply Range | 2.7V ~ 3.6V, Current > 200mA |
| Interfaces | UART/SPI/I2C/GPIO/ADC/PWM/I2S/PDM/DMA |
| Bluetooth Version | BLE 5.2 |
| Security | AES-128 |
| SPI Flash | 256KB |
| Max I/O Pins | 19 pins |
| Standard Interface Speed | 115200 bps |
Pinout Description
| Pin Number | Pin Name | Function Description |
|---|---|---|
| 1, 2, 11, 14, 36-48, 50-53 | GND | Ground connection |
| 3V3 | Power Supply | Power input (3.3V) |
| 4, 7, 9, 10, 12, 15, 20, 21, 25, 34, 35 | NC | Not connected |
| 5 | P24 | GPIO24/ADC input 2 |
| 6 | P7 | GPIO7 |
| 8 | P31 | GPIO31 |
| 9 | P16 | GPIO16/32.768KHz crystal input |
| 10 | P17 | GPIO17/32.768KHz crystal output |
| 11 | P32 | GPIO32 |
| 12 | P11 | GPIO11/ADC input 0 |
| 13 | P18 | GPIO18/ADC input 7/PGA negative input |
| 14 | P2 | GPIO2/SWD debug data input |
| 15 | P3 | GPIO3/SWD debug clock |
| 16 | P14 | GPIO14/ADC input 3 |
| 17 | P0 | GPIO0 |
| 18 | P34 | GPIO34 |
| 19 | P33 | GPIO33 |
| 20 | P23 | GPIO23/ADC input 1/micbias reference |
| 21 | P10 | RXD/GPIO10 |
| 22 | P9 | TXD/GPIO9 |
| 23 | P20 | GPIO20/ADC input 9/PGA positive input |
| 24 | P15 | GPIO15/ADC input 4/micbias output |
| 25 | P22 | GPIO22/ADC input 5 |
| 26 | P30 | GPIO30 |
| 27 | P13 | GPIO13 |
| 28 | P29 | GPIO29 |
| 29 | P28 | GPIO28 |
| 30 | P19 | GPIO19 |
| 31 | P5 | GPIO5 |
| 32 | P8 | GPIO8 |
| 33 | P27 | GPIO27 |
Applications
The PB-03 is versatile and supports numerous applications, including:
- IoT Networks: Perfect for integrating into connected devices within an IoT ecosystem.
- Mobile Devices: Can be used in wearable devices, smartphones, or portable gadgets.
- Wearable Electronics: Ideal for integrating into fitness trackers, smartwatches, and more.
- Smart Homes: Suitable for home automation, including lighting systems, thermostats, and security.