High-performance 2.4 GHz NRF24L01+ wireless transceiver module with external antenna for long-range communication. Uses SPI interface, operates at 1.9–3.6 V, and supports 2 Mbps data rate with auto-acknowledge and multi-ceiver features. Ideal for Arduino, Raspberry Pi, and IoT wireless networking.
Versatile 3 V–24 V electronic buzzer module for audio signaling and alarms. Generates a clear, continuous tone with low current draw, making it ideal for Arduino, Raspberry Pi, robotics, and industrial alert systems.