It's a USB TO TTL Converter, Original CH343G Onboard, Multi-Protection & Systems Support. In there, the onboard 5V/3.3V can be selected by the jumper cap, or the jumper cap can be unplugged, and the external voltage input can also be used (2.5V/1.8V, except industrial grade.
Features:-
- Onboard resettable fuse and TVS diode, providing protections including over-current, over-voltage, backwards-proof, and ESD protection, improving shock resistance and safe and stable communications.
- Onboard IO protection circuit for surge suppression.
- Onboard TTL serial port 3.3V and 5V voltage level switch allow selecting TTL level.
- 3 x LED indicators for easily checking power connection and signal TX/RX statuses.
- Quality plastic case with a dull-polish surface, well-crafted.
- IDC connector with fool-proof design.
Specification
| Product |
USB TO TTL (B) Converter |
| Brand | Waveshare |
| No. of Pins | 08 |
| Supply Voltage | 5V |
| Communication Rate | 50bps ~ 6Mbps |
| Serial port TTL level | 5V/3.3V/2.5V/1.8V |
| Operating system | Mac OS, Linux, Windows 11 / 10 / 8.1 / 8 / 7, Android |
| Host Interface | USB |
| Device Interface | UART |
| Indicator | Power, RXD & TXD |
| Country of Origin | China |
