MAX3232 RS232 to TTL Converter Module with DB9 Female for Arduino MAX232 Chips
$ 5.04
Description
MAX3232 RS232 to TTL Converter Module with DB9 Female for Arduino MAX232 Chips. Replace max3232 chip with max232 Lenovo laptop + Serial small Board (max232) + USB-to-Serial Cable (CH340 Driver) can normally download download stc89c52. If encountering issues, try switching to a max232 chip. Product Applications: This converter is widely used for: Radio modification, Mobile phone flashing, XBOX 360 modding, GPS systems, Automotive diagnostics, DVD player reprogramming, HDD repair, Set-top box upgrades Supported Microcontrollers: STC MCU series STM32 MCU series NXP MCU series Renesas MCU series NEC MCU series Technical Specifications: Communication Chip: Domestic MAX3232 equivalent Operating Voltage: 3.3V-5.5V Interface Pins: TX, RX, VCC, GND Important Notice: The converter uses a domestic MAX3232 chip. Some buyers have reported compatibility issues. Please verify chip compatibility with your system before purchase to avoid errors. Thank you for your cooperation! Case 1: Incompatibility with Lenovo Laptops Lenovo Laptop + max3232 Serial Small Board + USB-to-Serial Cable (CH340 Driver) → Failed to program stc89c52. Lenovo Desktop + max3232 Serial Small Board + USB-to-Serial Cable (CH340 Driver) → Worked normally. Replace max3232 chip with max232 Lenovo laptop + Serial small Board (max232) + USB-to-Serial Cable (CH340 Driver) can normally download download stc89c52 . Conclusion: The max3232 may conflict with certain laptops when used via USB-to-serial adapters. If encountering issues, try switching to a max232 chip. Case 2: Voltage Sensitivity with Samsung 2440 Dev Board Samsung 2440 Dev Board +Serial small Board max3232 (3.3V) → Unstable communication. Fix: Increased voltage to 3.8V → work properly. General Advice: Confirm your device’s voltage requirements and chip compatibility before purchase.
