This is a MAX3232-based level shifter for converting TTL-level serial to standard RS-232 serial. This will allow a microcontroller to communicate with a computer and widely used in radio modification, phone flash, XBOX360 flash, GPS, vehicle detection, DVD flash, hard disk repair set-top box upgrade.

Specifications:

  1. Pre-assembled compact size board
  2. Suitable for use with most microcontrollers
  3. Operates up to 250 kbit/s
  4. Low supply current 300 µA typical
  5. Working Voltage: 3.3V – 5V
  6. Communication chip: MAX3232
  7. DB9 Female Connector (RS-232)
  8. Standard Header Connector (TTL)
  9. Interface: 4 pin connector – GND, Logic out (STX), +5v, Logic In (SRX)

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RS232 to TTL Serial Interface Module

RS232 to TTL Serial Interface Module

The level shifter for converting TTL-level serial to standard RS-232 serial

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