Industrial USB TO TTL Converter, Original CH343G Onboard, Stable Transmission, Multi Protection Circuits, Multi Systems Support
Onboard resettable fuse and TVS diode, providing protections including over-current, over-voltage, backward-proof, and ESD protection, improving shock proof performance, safe and stable communications
Onboard IO protection circuit for surge suppress
Onboard TTL serial port 3.3V and 5V voltage level switch, allows selecting TTL level
3x LED indicators for easily checking power connection and signal TX/RX statuses