SparkFun Transceiver Breakout - MAX3232
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Bridge microcontroller serial logic to an RS-232 device with the MAX3232 breakout. It is a practical component for working with older instruments, controllers or serial interfaces in a robotics lab. A lesson can compare TTL/UART signaling with RS-232 and explain why directly joining the two is inappropriate. Once the electrical interface is correct, learners still need to match baud rate, framing and the connected device's command language. This is a transceiver board rather than a USB adapter.
Before you buy
Check the remote connector pinout and the board's logic and supply requirements. Do not connect RS-232 voltages directly to a microcontroller GPIO.
SparkFun SKU: BOB-11189 · Category: Communications & connectivity
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Official product specifications and documentation
EAR summary based on supplier documentation; this is not a hands-on review. Product identity rechecked during the October 25, 2026 sprint. SparkFun Originals eligibility evidence was recorded October 17, 2026. Affiliate eligibility remains subject to SparkFun's program terms.