Ai‑Thinker PB‑03M BLE 5.2 Bluetooth Module

Description

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. Data Sheet: PB‑03M

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