Industrial USB TO TTL serial cable, adopts original FT232RNL chip, onboard power supply and signal indicators, supports 3.3V/5V voltage level switching, built in self-recovery fuse, ESD and IO protection diode circuits, etc. It is compact in size, suitable for serial port debugging of industrial equipments and can be directly connected to the Raspberry Pi 5.
Features:
- Adopts original FT232RNL chip, with stable high-speed communication, reliability, and better compatibility.
- Built-in self-recovery fuse and ESD for over-current/over-voltage protection, counter-current proof, improving shock resistance.
- Onboard IO protection, anti-surge design, with stable communication and safety.
- Onboard TTL serial port 3.3V/5V level transilation circuit, for switching TTL communication level.
- Onboard 3x LED indicator, for checking power and signal transmitting status.
- Plastic case, sandblasting process, nice-looking and compact.
- UART PORT: Connector: separated 4pin female header + SH1.0 3PIN fool-proof connector, Protection: IO protection diode
- INDICATOR: PWR: power indicator, turns on when there is USB connection and voltage is detected, TXD: TX indicator, turns on while the USB port is sending data, RXD: RX indicator, turns on while the device port is sending data back
Specifications:
- Product: Industrial USB TO TTL serial cable
- Chip Scheme: FTDI original FT232RNL
- Host Port: USB
- Data rate: 300bps ~ 3Mbps
- Device Port: UART
- Operating Temperature : -40℃~80℃
- Cable: Black, PVC sheath, total length 1m
Useful link:
https://www.waveshare.com/wiki/USB_TO_TTL_(D)
Package Includes:
1 x Waveshare Industrial USB TO TTL (D) Serial Cable, Original FT232RNL Chip, Multi Protection Circuits, Multi Systems Support, Suitable For Raspberry Pi 5 Serial Port Debugging
Technical Specifications
| Brand | WAVESHARE |
|---|---|
| Interface / Protocol | USB, BLE, TTL |
| SKU | AI6644 |
| Weight | 0.06 kg |
| Availability | Out of Stock |
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine WAVESHARE product sourced from authorized channels

Kiara Bose (verified owner) –
Superb quality Waveshare Industrial USB TO TTL Serial. Genuine product, fast delivery. Using it for a media center.
Ashwin Patel (verified owner) –
Excellent Waveshare Industrial USB TO TTL Serial! Running my home server on this. Super reliable.
Mayank Naidu (verified owner) –
Excellent Waveshare Industrial USB TO TTL Serial! Running my home server on this. Super reliable.
Vansh Chatterjee –
Decent Waveshare Industrial USB TO TTL Serial. Setting up was straightforward. Good for the price.
Sarthak Desai –
Good Waveshare Industrial USB TO TTL Serial. Runs well but gets warm under load. Added a fan and it’s perfect now.
Sunil Yadav (verified owner) –
Okay Waveshare Industrial USB TO TTL Serial. Works but I expected better thermal performance out of the box.
Urmi Yadav (verified owner) –
Good quality Waveshare Industrial USB TO TTL Serial. Shipping was fast. Minor scuff on the box but product is fine.
Shubham Dhillon (verified owner) –
Good quality Waveshare Industrial USB TO TTL Serial. Shipping was fast. Minor scuff on the box but product is fine.
Pankaj Naidu –
Good Waveshare Industrial USB TO TTL Serial. Runs well but gets warm under load. Added a fan and it’s perfect now.
Sameer Tiwari (verified owner) –
This Waveshare Industrial USB TO TTL Serial is ideal for learning Linux and programming. Bought for my son, he loves it!
Dev Bhatt (verified owner) –
Great Waveshare Industrial USB TO TTL Serial. Using it as a NAS server. Stable and reliable performance.
Sneha Saini (verified owner) –
Nice Waveshare Industrial USB TO TTL Serial. Works great for my project. Wish the case was included though.
Anil Saxena (verified owner) –
This Waveshare Industrial USB TO TTL Serial is perfect for my IoT gateway project. Handles everything smoothly.
Ananya Mukherjee –
Decent Waveshare Industrial USB TO TTL Serial. Setting up was straightforward. Good for the price.
Bhavna Kulkarni (verified owner) –
Outstanding! This Waveshare Industrial USB TO TTL Serial powers my home automation hub. Zbotic delivers genuine products.
Vikram Naidu (verified owner) –
This Waveshare Industrial USB TO TTL Serial is ideal for learning Linux and programming. Bought for my son, he loves it!
Vansh Mishra (verified owner) –
Excellent Waveshare Industrial USB TO TTL Serial! Running my home server on this. Super reliable.
Lakshya Sen (verified owner) –
Fantastic Waveshare Industrial USB TO TTL Serial. My smart mirror project is running beautifully on this.
Parth Gupta (verified owner) –
This Waveshare Industrial USB TO TTL Serial is ideal for learning Linux and programming. Bought for my son, he loves it!
Sunil Bhandari (verified owner) –
Perfect Waveshare Industrial USB TO TTL Serial for my machine learning project. Great performance for the size.