The Sound sensor module is a simple microphone. Based on the power amplifier LM358 and an electret microphone, it can be used to detect the sound strength of the environm..
S$9.11 Ex Tax: S$9.11
The Grove - Loudness Sensor is designed to detect the sound of environment. Based on LM2904 amplifier and a built-in microphone, it amplifies and filters the high frequen..
S$10.68 Ex Tax: S$10.68
Wanna buy a simple & practical voice recorder? This one is right for you! The voice recorder module supports 4 controlling modes (Arduino, AT command, on-board buttons, a..
S$13.82 Ex Tax: S$13.82