Using ISD1420 series integrated phonetic circuit to produce sound and infrared diode on-off switch to simulate the beating process, a drum without drumhead is invented.

• 摘要应用ISD1420系列集成语音电路发音，红外光控器的通断对应鼓槌敲击，模拟鼓槌敲击鼓皮振动发声，制作了无皮鼓。