Line Tracing Snail Kit (VPL-RAT-LTS)
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The Line Tracing Snail uses a special LED sensor to detect a black line (magic marker, etc.) drawn on a white background. It uses two small motors and rubber tires to slowly but surely move forward and turn. The body of the snail is made of transparent (HIPS) plastic to allow viewing of the intricate mechanisms inside. The snail emits an infrared light from the Light Emitting Diode on the underside of its chassis. A photo transistor picks up the reflection of the infrared light to distinguish black from white surface. Transistor sensitivity can adjusted to adapt for a variety of paper sizes and line widths. Snail eyes move in-synch with tires. Snail capable of low/highspeed setting. Low-speed mode suitable for fine lines and narrow areas. High-speed works best for wide areas and thick lines. Snail follows the line without fail. Draw a line on a white surface with an oil based black pen. Tamiya Paint Marker is ideal. Draw curve radius over 8cm, line width over 3mm. (2) Type 130 motors (sensor unit and motor come pre-wired). Max. running time (w/ alkaline batteries): low-speed- approx. 2hrs., high-speed- approx. 3hrs. Uses two R6/AA/UM3 batteries (sold separately). Note: Strong sunlight or lamp light may interfere with sensor. Please use product indoors or in shady areas. Adjust transistor sensitivity and line width to best suit snail running environment.
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The base unit of the cable tester can be connected via a network cable directly to a hub or switch to test wire connections, or to a network card to test the send receive pairs of wires, it can test if there is any open or miss-wire without the remote kit. 9 Led's to show you exactly which wire is open or miss-wire on both remote and master unit. Network Cable Tester can judge wrong connection, short circuit adm open circuit Build in power switch for power saving RJ45 Network Cable Tester test correspondingly double-twisted cables 1, 2, 3, 4, 5, 6, 7, 8 and Ground 9 LED lights to indicate wiring connection on both remote and master unit Auto scanning function for rapid testing
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