Buzzers Transducer, Externally Driven Magnetic 5 V 150mA 4kHz 100dB @ 5V, 10cm Surface Mount Solder Pads #commonpartslibrary #audio #alarm #buzzer

Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, I2C bus, SO-8 RTC battery I2C SOIC*3.9x4.9mm*P1.27mm*

Buzzers Transducer, Externally Driven Piezo 12 V 2kHz 100dB @ 12V, 10cm Surface Mount Solder Pads #Audio #alarm #Buzzer #Siren #PK

75dB Passive (Externally Driven) 4kHz 3V Electromagnetic SMD,5x5mm Alarms, Buzzers, and Sirens RoHS #CommonPartsLibrary #Audio #Buzzer #Siren

The EBYTE E32-433T20D is a wireless serial port module manufactured by Chengdu Ebyte Electronic Technology Co., Ltd. It is based on Semtech's SX1278 radio frequency chip and operates in the 410-441MHz frequency band, with a default setting of 433MHz. Utilizing advanced LoRa spread spectrum technology, the E32-433T20D offers enhanced communication range, robust anti-interference capabilities, and strong data confidentiality. The module supports a maximum transmit power of 100mW and can be powered by a 2.3 to 5.5 V DC supply, with optimal performance at 3.3V or higher. It features a data transmission rate range from 0.3kbps to 19.2kbps and is designed for industrial-grade applications, supporting long-term operation in temperatures ranging from -40 to +85°C. The E32-433T20D is equipped with data encryption and compression functions, providing secure and efficient data transmission. It is suitable for a variety of applications, including smart home systems, industrial sensors, wireless alarms, and advanced metering infrastructure, among others.