Program for using an IBM PC to read quadrature encoders through the parallel port (requires bi-directional port) and display position data on-screen.
计划使用IBM的PC阅读正交编码器通过并行端口（需要双向端口）和显示位置数据在屏幕上。
2
I supply the various models side trip, round pipe pixel, pixels have been widely used in traffic lights countdown, induced outdoor screen, directional signs above.
我公司供应各种型号方行、圆形像素管，像素管广泛应用在交通灯倒计时、室外诱导屏、指示标志上面。
3
Directional button - Move cursor, change selected options in menus, Character Creation and navigate Progress screen and Training area.