International Power Adapters By Khiyqilo

• Supports the full range of STC microcomputers with 3.3 V and 5 V output voltage. Baud rate up to 115200 bps. With LED indicator, PINS: 3.3 V, GND, TXD, RXD, 5 V, GND. Easy to connect to your MCU or Raspberry Pi.
• Supports 5 V output, 3.3 V output or external power supply (3.3 V-5 V). Pins: 3.3 V, TXD, RXD, GND, 5 V. With plastic protection to prevent short circuiting in case of contact with the adapter.
• MULTIFUNCTION: OP/CL/LOP parameters are independent of each other and can be stored separately. Supports UART upload.
• Dual 3.3V and 5V power supply, works with external 3.3V and 5V power supply.
• SERVICE CUSTOMER: When you buy our product, you also get a friendly customer service in English and French and for life :-