RS232 serial port to TTL module can be used with ZD2200 Wired Scanner to repair Antminer L7 hash board. This RS232 to TTL serial interface module is a board with a transceiver integrated circuit (IC). It facilitates serial communication between TTL and RS232 ports by providing the necessary electrical signal conversion.（ZD2200 Wired Scanner needs to be purchased separately）

IC chip: MAX3232

Working voltage: 3.3-5.5V

Can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU

Pre-assembled compact boards

Works with most microcontrollers

Operates at speeds up to 250 kbit/s