All Products

SKU: DF-FIT0781

A versatile USB-to-serial converter module supporting six conversion modes: USB-TTL, USB-232, USB-485, TTL-232, TTL-485, and 232-485. Switch between modes using onboard DIP switches — no need for multiple adapters. Built around the CP2102 chip with 3.3V/5V compatibility. Includes 500mA fuse prot...

SKU: DF-TEL0070

A multi-protocol converter board that supports USB, TTL, RS232, and RS485 interfaces. It can convert signals between any two protocols and supports one input to multiple outputs simultaneously — for example, converting a USB signal to TTL, RS232, and RS485 at the same time. Based on the FTDI FT2...

SKU: DF-TEL0010

This USB to TTL converter combine the USB-232-1 (USB to Single RS232 Adapter) and TTL-232-1 (Port-powered RS232/TTL converter) allows you to convert USB to TTL/CMOS compatible levels and vice versa. It can be used to set up APC220 RF wireless module. It can be used as STC microcontroller p...

SKU: WS-7965

A USB to TTL serial adapter cable with an embedded PL2303 converter chip. This 1-metre cable provides a simple way to add serial communication to your projects, connecting a standard USB-A port to 3.3V TTL-level UART signals via a 4-pin 2.54mm header. Ideal for accessing serial consoles on singl...

SKU: DF-TEL0190 · MPN: TEL0190

RainbowLink V2 is a pocket-sized USB Type-C serial debugging workstation that combines four independent communication channels with useful field power outputs. It replaces multiple USB dongles for RS485, RS232 and TTL UART work, making it well suited to field engineering, IoT development and indu...

SKU: AF-5995 · MPN: ADA5995

DescriptionWhether you need to interface with various serial protocols, this USB to Multi-Protocol Serial adapter has you covered. It supports RS232, TTL UART, RS485, and RS422, all with quick-connect screw terminals, eliminating the need for soldering or special cables. Simply plug the adapter ...

SKU: DF-TEL0119

The USB/TTL Raspberry Pi GPS Tracker is a compact GPS location module built around the L80-39 chip. With 66 search channels and 22 simultaneous tracking channels, it delivers fast satellite acquisition and reliable positioning accuracy down to 2.5m. Featuring both USB and TTL interfaces, this mo...

SKU: DF-FIT0416

Introduction This product converts from USB output to TTL output, supports three levels, facilitates communication between PC and serial port, does not need an external crystal oscillator, has high stability and strong anti-interference. Specification VCC output: 5V/3.3V/1.8V TTL output: 5...

SKU: DF-TEL0185 · MPN: TEL0185

Introduction RainbowLink is a high-performance USB protocol converter designed for multi-channel serial communication and power output, making it ideal for IoT and industrial applications. It integrates four independent communication channels—RS485, RS232, and two TTL channels—into a single devic...

SKU: AF-4279

The Adafruit Ultimate GPS with USB brings plug-and-play GPS and GLONASS positioning to any computer, laptop, or embedded Linux device via a built-in CP2104 USB-to-Serial converter. Simply connect a Micro USB cable and start receiving location data at 9600 baud — no microcontroller required. Buil...

SKU: SF-DEV-09718

The FTDI Cable is a USB-to-Serial (TTL level) converter that provides a simple way to connect TTL interface devices to USB. Built around the FTDI FT232RQ chip housed in the USB-A connector, this cable operates at 5V logic levels. The cable terminates in a 0.1" pitch, 6-pin connector commonly use...

SKU: AF-5994 · MPN: ADA5994

No matter what serial-esque protocol you need to interface with, this USB to Multi-Protocol Serial adapter cable will be able to get this-connected-to-that. It supports RS232 serial, TTL UART serial, RS485 and RS422. All with quick-connecting screw terminals so you don't need to do any soldering ...

SKU: AF-5335

The Adafruit CP2102N Friend is a USB-to-serial converter breakout featuring the Silicon Labs CP2102N chip with USB Type-C. It provides reliable serial communication at up to 3 Mbps, making it ideal for uploading firmware to Arduino, ESP8266, ESP32, and other microcontrollers that use an FTDI-styl...

SKU: LB-LR0130

Features:Chip: FT232RL compatibleDraw out all signal port of FT232RL chip.RXD/TXD transceiver communication indicator.USB power supply, can choose 5V or 3.3V ,set by jumper.With over current protection, using 500MA self-restore fuse.Pin definition: DTR,RXD,TX,VCC,CTS,GNDPitch:2.54mmModule size...

SKU: AF-2821

The Feather HUZZAH ESP8266 is an all-in-one Wi-Fi development board with built-in USB and battery charging. Powered by the ESP8266 with a full Wi-Fi stack, it's a compact and affordable way to add Internet connectivity to your projects using the Arduino IDE or NodeMCU Lua. The CP2104 USB-serial ...

SKU: WS-20645

A USB-to-UART (TTL) communication module based on the PL2303GS chip. Connect it to your PC via USB and communicate with microcontrollers, single-board computers, and other TTL-level serial devices. Three LED indicators (TXD, RXD, PWR) provide visual feedback during operation. The module supports...

SKU: AF-18

This USB-to-serial converter adds a DB9 RS-232 serial port to your computer via USB. Based on the FTDI FT232RL chip, it delivers true RS-232 voltage levels (approximately ±10V) rather than TTL 5V — ensuring compatibility with older devices like GPS receivers, handheld programmers, and other equip...

SKU: SF-CAB-12977

This is a USB to TTL Serial Cable which allows for a simple way to connect TTL interface devices to USB. The I/O pins of this cable are configured to operate at 3.3V specifically with a Raspberry Pi with each serial pin broken apart. Thanks to its separated pins, this cable is a perfect candidate...

SKU: AF-4364

Just about all electronics use a UART serial port with RX and TX pins for debugging, bootloading, programming, serial output, etc. But it's rare for a computer to have a serial port anymore. Thus, a serial cable is an essential part of any electrical engineer's toolkit.This is a USB C to TTL seri...

SKU: EC-CIN3232RT

This module can be used to convert the RS232 voltage of PC to TTL voltage that used by microcontroller. Directly plug the DB9 connector your PC then you can communicate with the microcontrollers using the Serial port. It is applicable to a variety of platforms including Arduino / AVR / ARM. For A...