Heltec V4 LoRa Development Board with Buzzer, Tempered Glass Heltec V4 Case, ESP32-S3 SX1262 Wireless Module, Ultra-Compact Protective Case for Meshtastic Devices and Smart IoT Alerts

Complete Heltec V4 Wireless Alert PlatformThis heltec v4 system combines the Heltec LoRa development board, integrated buzzer module, protective tempered glass housing, reinforced enclosure, and antenna system into a compact wireless platform for smart alerts, remote alarms, and long-range IoT deployments. ^^ Integrated Buzzer for Audible Alerts and NotificationsBuilt with an onboard buzzer module, this device supports audible alarms, event notifications, programmable sound triggers, and warning alerts, making it ideal for security systems, industrial monitoring, automation workflows, and emergency communication devices. ^^ ESP32-S3 and SX1262 Long-Range Wireless PerformancePowered by ESP32-S3R2 with 16MB Flash and 2MB PSRAM plus SX1262 LoRa transceiver, this heltec v4 platform delivers stable long-range communication, low power consumption, and dependable wireless networking for remote monitoring and off-grid IoT systems.

^^ Rugged Ultra-Compact Heltec V4 Case DesignThe ultra-compact heltec v4 case features a tempered glass front, aluminum alloy frame, and reinforced PC back cover to provide enhanced protection, clear OLED visibility, and dependable durability for outdoor installation and long-term field deployment. ^^ Flexible Development for DIY and Professional ProjectsCompatible with Meshtastic firmware, Arduino IDE, and PlatformIO, this Heltec development board supports rapid prototyping for wireless alarms, smart home automation, remote telemetry, industrial alerts, and custom embedded communication applications.