mob-if-rs232

RS232 Interface Module Board

Serial RS232 interface module board.

Schematic

PCB Layout

Bill of Materials

• paperboard 5x7cm

• 2-pin (Molex-KK) power connector

• bulk capacitor (tantalum) 10uF 16V

• led current limiter resistor 1Kohm

• power activity led green 3mm

• 4-pin (Molex-KK) control connector

• 2x2-pin (Molex-KK) TxRx data connectors

• 2x3-pin serial-data header connectors

• 9-pin rs232 serial-data connector

• 5x capacitors (3x 470nF, 2x 100nF)

• 4x serial ctrl activity leds

• 4x current limiter resistors 1Kohm

• IC MAX232