This USB to 8-channel converter is a versatile USB to UART adapter designed to extend USB connectivity to 8 independent TTL channels. Each channel operates with hardware flow control, providing simultaneous and reliable communication.
This converter has multi-protection circuits, including self-recovery fuses and protection diodes, providing stable current and voltage outputs. It protects against over-current and over-voltage conditions, improving shockproof performance. Additionally, the built-in TVS (Transient Voltage Suppressor) effectively mitigates surge voltage and transient spikes, offering comprehensive lightning and ESD protection.
It also has a voltage translator circuit with surge suppression and ESD protection, providing safe and stable communication. It supports multiple systems including Mac, Linux, Android, Windows 11, 10, 8.1, 8 and 7, making it an ideal choice for industrial projects requiring reliable and secure data transmission.
Features
- Extending USB to 8CH TTL (UART) with hardware flow control, allows concurrent and independent communication for each channel
- Self-recovery fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, improve shockproof performance
- TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightning proof & ESD protection
- Voltage translator circuit, with surge suppress and ESD protection, safe and stable communication
- TTL serial port 3.3V and 5V voltage level switch, allows selecting TTL level
- Aluminium alloy case with oxidation dull-polish surface, CNC process opening, solid and durable
- 4 LEDs for indicating the power and transceiver status
What’s on Board
Specifications
| Host Port | USB | |
| Device Port | TTL (UART) | |
| Baudrate | 1200bps ~ 2M | |
| USB | Operating voltage | 5V |
| Connector | USB-B | |
| Protection | 200mA self-recovery fuse, ESD protection | |
| Power Supply | Connector | 5V DC power jack |
| Protection | Over-voltage protection and anti-reverse protection | |
| TTL (UART) | Connector | 50-pin anti-reverse header |
| Protection | TVS diode, surge protection & ESD protection | |
| TTL level | 3.3V/5V (configurable) | |
| Indicators | PWR | The power indicator lights up red when there is a USB connection and voltage is detected |
| ACT | The status indicator lights up green when the driver is detected | |
| TXD | TX indicator lights up when the USB port sends data | |
| RXD | RX indicator lights up when the device ports send data back | |
| Operating Environment | Temperature | -40℃ – 85℃ |
| Humidity | 5%RH – 95%RH | |
| Operating System | Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7 | |
Resources
- Product Wiki
Pinout

| VCC | 5V or 3.3V output, configured by switch |
| GND | Ground |
| TXD | Connecting to MCU.RXD |
| RXD | Connecting to MCU.TXD |
| RTS | Connecting to MCU.CTS |
| CTS | Connecting to MCU.RTS |
Package Contents
- 1x USB TO 8CH TTL
- 1x USB cable (1.2m)
- 1x 50-pin squid wire



Reviews
There are no reviews yet.