Holyiot 21033 nRF52832 PIR Motion Sensor Module - BLE 5.0, ARM Cortex-M4F
The Holyiot 21033 is a compact, ultra-low-power Bluetooth Low Energy (BLE) motion sensor module based on the Nordic Semiconductor nRF52832 SoC, integrating a PIR sensor for wireless motion detection applications compatible with Arduino, Raspberry Pi, ESP32, and other 3.3V microcontroller platforms.
Features
- Nordic Semiconductor nRF52832 SoC with 32-bit ARM Cortex-M4F CPU, 512kB Flash, 64kB RAM
- Integrated PIR (Passive Infrared) motion sensor for reliable occupancy detection
- Ultra-low-power operation (1.7–3.6V) with event-driven API and PPI for extended battery life
- Supports BLE 5.0, ANT, and 2.4GHz proprietary wireless protocols
- Compact module dimensions (45mm x 20mm) for space-constrained smart home and IoT designs
Out of stock
The Holyiot 21033 module combines the processing power of the Nordic Semiconductor nRF52832 SoC with a dedicated PIR sensor to create a complete, wireless motion detection solution. The ARM Cortex-M4F processor handles sensor data acquisition, signal processing, and wireless protocol management, enabling intelligent, event-driven operation that minimizes power consumption.
Designed for seamless integration into smart home automation, security systems, and IoT devices, this module outputs motion detection events via BLE 5.0, allowing for easy pairing with gateways, smartphones, or other central controllers. Its robust RF performance, with up to +4 dBm output power and -96 dBm receiver sensitivity, ensures reliable wireless communication in typical indoor environments.
Additional Information
| Weight | 0.01 kg |
|---|---|
| Dimensions | 4.5 × 2 cm |










