FTDI Programmer (FT232RL) USB to TTL Serial Adapter

The FTDI Programmer is a USB to serial adapter built around the reliable FT232RL chip. It converts USB signals to TTL-level serial, making it essential for programming microcontrollers without native USB support or for providing a serial console. Its stable data transfer at up to 3 Mbps ensures smooth code uploads and reliable communication in prototyping and deployment.

Key Specifications

What You Can Build With This

• Program Arduino Pro Mini and other barebone MCUs without a bootloader
• Flash firmware to ESP-01 or ESP8266 modules directly from your PC
• Interface with GPS modules, RFID readers, or serial sensors for data logging
• Create a serial console for Raspberry Pi or BeagleBone for headless setup

Compatibility

This FTDI programmer works with any board that accepts 5V or 3.3V TTL serial. It’s commonly paired with Arduino Pro Mini, ESP8266, ESP32-CAM, and ATmega328P standalone setups. The jumper lets you safely match the target’s logic level to prevent damage.

Wiring Notes

Connect VCC to target VCC, GND to GND, TX to target RX, and RX to target TX. For boards needing DTR to enter programming mode, use an external capacitor (0.1µF) between DTR and RST. Keep wires short and avoid powering high-current loads from the adapter’s VCC pin.

Why Buy from Compoden

Every component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.