Digital Sound Recording Voice Module WTR010-SD for Digital Voice Recorder MIC: audio input. Please keep the proper distance, to adjust the input volume. Specific far, want to look at the site.
This is a brand new MAX232 RS232 to TTL 5V converter board. Easily convert RS232 serial communications signal to TTL output to and from a computer RS232 serial COM port. Compatible with any micro controller, such as PIC, Atmel or other system with TTL serial communications.
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