Universal minicomputer with STM32F103C6 microcontroller (ARM...
ISP programmer for CPLD from Xilinx and AVR microcontroller (compatible...
This transducer is about 45mm in diameter and has 4Ω impedance and should be run at about 5W
16mm Speaker: 16 Ohm, 0.5 W
30mm Piezo Buzzer: 1-30V
50mm Speaker: 8 Ohm, 1 W
COM-10975 - Surface Transducer - Large, SparkFun
COM-10917 - Surface Transducer - Small, SparkFun