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SparkFun Transceiver Breakout - MAX3232

BOB-11189 · SparkFunActive

SparkFun Transceiver Breakout - MAX3232 photo
SparkFun Transceiver Breakout - MAX3232 illustration

Easily connect your 3.3V or 5V microcontrollers to RS232 serial devices with this MAX3232 transceiver breakout board. (SparkFun BOB-11189)

Part numberBOB-11189
ManufacturerSparkFun
CategoryCommunication & Wireless › CAN, RS-485 & RS-232
Pins10
Voltage (max)5 V

SparkFun Transceiver Breakout - MAX3232 pinout

PinNameTypeDescription
1R2OUTbidirectional
2R1OUTbidirectional
3T2INbidirectional
4T1INbidirectional
5GNDground
6VCCpower
7R2INbidirectional
8R1INbidirectional
9T2OUTbidirectional
10T1OUTbidirectional

Schematic symbol and footprint

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Footprint: SparkFun Transceiver Breakout - MAX3232 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser3,794$8.18 (1+)View
DigiKey3,132$8.39 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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