四零四科技(Moxa Technologies)发布了2款带有光电隔离保护的USB转串口HUB，UPort 1250I(2个串口)和UPort 1450I(4个串口)。UPort 1250I和UPort 1450I包含标准UPort的功能，包括三合一串口界面，串口最高速率可达921.6Kbps，内嵌15KV ESD保护，支持USB 2.0，通信速率可达480Mbps。这两款产品 ...

utilizing various techniques to regulate the meridians and adjust the flow of qi and blood. Moxibustion therapy slowly warms specific acupuncture points on the body using moxa sticks or moxa cones ...