STARTECH
STARTECH DB92422 RS422 RS485 DB9 to 5 pin terminal block data converter
- DB9 to Terminal
- Black
$16.99
0.00020717BTC
In stock
SMUGDESK FT232RL USB to TTL Serial Module Multi-Level 5V 3.3V 1.8V
USB-to-TTL converter with FT232RL chip for 5V, 3.3V and 1.8V logic levels
- FT232RL chip delivers stable USB-to-TTL serial conversion
- Three logic levels 5V 3.3V 1.8V prevent voltage mismatch damage
- Compact PCB with clear pins speeds up wiring and debugging
- Works as firmware burner and serial debug tool for MCUs
- Compatible with Arduino STM32 and single-chip development projects
USB-to-TTL adapter for embedded development
The module uses an FT232RL chip to convert USB signals into TTL serial data for microcontroller programming and debugging. It targets engineers, students and hobbyists working with Arduino, STM32 or similar single-chip platforms who need a compact tool for firmware flashing and serial monitoring.
Three selectable logic levels cover common MCU
Output can be switched between 5 V, 3.3 V and 1.8 V to match the target device and prevent damage from voltage mismatch. The USB interface limits speed to the FT232RL’s native capability, so very high baud-rate requirements may exceed what this bridge can sustain.
Small PCB with labelled pins simplifies bench wiring
Clear pin markings reduce connection errors during rapid prototyping or lab debugging. The board draws power from the USB port, so no external supply is needed, but the compact layout leaves no room for mounting holes or ruggedised connectors in harsh environments.
How it compares
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- Price $12.99
- Cheaper than about 80% of the 121 comparable items (median $19.99).
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Specifications
No published specifications for this item yet.
Questions about this item
Which voltage level should I select for my microcontroller?
Choose 5 V, 3.3 V or 1.8 V to match the logic voltage of the target MCU and avoid damage from mismatched levels.
What does the FT232RL chip do in this module?
It converts USB signals into TTL serial signals for firmware flashing, debugging and data transfer with embedded devices.
What interface does the board use to connect to a computer?
A standard USB connection carries both power and serial data to the host PC.
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