
RS232 to TTL Serial Module with DB9 Connector (MAX3232)
Prices updated: 12 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
Microohm | RS232 to TTL Serial Interface Module With DB9 Connector | 45 EGP55 | View in store |
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Lowest price recorded: 45 EGP
About this product
A pre-assembled level converter that translates RS232 signals from a DB9 serial port into 3.3V/5V TTL logic for microcontrollers. Built around the MAX3232 IC, it can be used to program or communicate with STC, NXP, Renesas, STM32 and other MCUs. It supports data rates up to 250 kbit/s.
Specifications
- IC
- MAX3232
- Operating voltage
- 3.3 V to 5.5 V
- Serial connector
- DB9 (RS232)
- Logic level
- TTL
- Maximum data rate
- 250 kbit/s
Frequently asked questions
What is the price of RS232 to TTL Serial Module with DB9 Connector (MAX3232) in Egypt?
RS232 to TTL Serial Module with DB9 Connector (MAX3232) currently costs 45 EGP in Egypt.
Where can I buy RS232 to TTL Serial Module with DB9 Connector (MAX3232) in Egypt?
RS232 to TTL Serial Module with DB9 Connector (MAX3232) is available from Microohm. Compare the offers above to find the best price.
How do I wire it to a microcontroller?
Connect the module's TTL TX to the MCU's RX, the module's TTL RX to the MCU's TX, and share GND. Power the module from a supply within 3.3 V to 5.5 V that matches your MCU's logic level.
Can I connect it directly to a USB port on my PC?
No. The module needs a DB9 RS232 serial port. For a computer with only USB, use a USB-to-serial adapter instead.






