Features:
1. Support USB expansion 8-way TTL (UART) with hardware flow control, can communicate simultaneously and independently
2. Onboard self-recovery fuse and protection diode can ensure stable output of current and voltage, prevent overcurrent and overvoltage, and improve impact resistance
3. Onboard TVS protection circuit can effectively suppress surge voltage and transient spike voltage in the circuit, lightning protection and anti-static
4. Onboard level conversion circuit, surge protection, anti-static, stable and safe communication
5. Onboard TTL serial port 3.3V and 5V level conversion circuit, can switch TTL communication level
6. Aluminum alloy shell, oxidized frosted treatment, CNC numerical control opening, firm and durable, exquisite workmanship
7. External 4 LED indicators, convenient for checking power supply and signal receiving and sending status

Product parameters:
1. Host interface: USB<