Hello User This is nothing, but a simple program which if kept in start of windows will shut down the system by itself within five minutes of starting. It takes the time from the system & starts its timer to shut down after 5 minutes (not con

使用单片机STC89C51RC普通IO口模拟串口三种方法-// 1. get_rx_pin_status() // Returns 0 or 1 dependent on whether the receive pin is high or low. // 2. set_tx_pin_high() // Sets the transmit pin to the high state. // 3. set_tx_pin_low() // Sets the transmit pi