FT232RL FTDI USB to TTL Serial Converter Adapter
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Wed, 12 Aug
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A highly reliable FTDI USB to TTL serial converter. Essential for programming microcontrollers that lack a built-in USB interface, flashing firmware, and serial debugging.
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Product details
Reliable Serial Communication
The FTDI USB to TTL Serial adapter is the absolute standard for programming microcontrollers, reading serial data, and flashing firmware.
Pro Tip: This is the perfect companion for programming boards like the ESP-01 WiFi Module or an Arduino Pro Mini.
Pin Connections
| FTDI Pin | Function | Description |
|---|---|---|
| VCC | Power | Switchable 3.3V or 5V (via onboard jumper) |
| GND | Ground | System ground |
| TX | Transmit | Connects to RX of target MCU |
| RX | Receive | Connects to TX of target MCU |
| DTR | Data Term | Used to auto-reset Arduinos during upload |
| CTS | Clear To | Hardware flow control (rarely used) |
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