Buzzer Module for Heltec WiFi LoRa 32 (V4) Expansion Kit
1. Native V4 Compatibility – Designed specifically for Heltec WiFi LoRa 32 (V4) Expansion Kit.
2. Plug-and-Play Integration – Direct B2B connector installation, no additional wiring required.
3. Reliable Audio Output – Stable tone generation for alerts and system notifications.
4. Low Power Design – Optimized for battery-powered IoT and embedded systems.
5. Compact Form Factor – Lightweight and space-efficient module design.
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Buzzer Module for Heltec WiFi LoRa 32 (V4) Expansion Kit
Buzzer Module for Heltec WiFi LoRa 32 (V4) Expansion Kit
- The Buzzer Module is a dedicated audio feedback accessory designed for the Heltec WiFi LoRa 32 (V4) ecosystem.
- It enables clear sound alerts, status notifications, and event signaling for embedded and IoT applications.
- With direct B2B interface connectivity, the module offers true plug-and-play integration, eliminating wiring complexity and ensuring stable electrical and mechanical performance.
⚠️ Important Note: This module is exclusively compatible with the Heltec WiFi LoRa 32 (V4) Expansion Kit ecosystem is not compatible with other Heltec or ESP32 boards.
Package Includes
- 1 × Buzzer Module
Specification
| Item | Specification |
|---|---|
| Product | Buzzer Module |
| Compatibility | For Heltec WiFi LoRa 32 (V 4) Expansion Kit |
| Operating Voltage | 1 ~ 25 V |
| Operating Current | Max. 5mA (at 3V) |
| Resonant Frequency | 4000 Hz |
| Capacitance | 12000 ±30% pF (100Hz, 1V) |
| Sound Pressure Level | ≥ 65 dB (measured at 10 cm, 3V) |
| Oprating Temp. | -40°C to 85°C |
| Storage Temp. | -40°C to 85°C |
| Dimensions | 22.20 × 10.40 × 3.00 mm |
| Application | IoT devices, Mesh network, Smart home automation indicators |