Category: battery interface control for toy

Battery Device Adapter

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"DO IT YOURSELF" ENTRY --- PURPOSE: To adapt toys and small appliances for switch use. To make the device, separate the leads approximately one-half inch from both ends of the speaker wire using scissors or a knife. Using wire strippers or scissors, strip approximately one-quarter inch of the protective plastic insulator from each wire lead, being careful not to cut any of the wires. Unscrew the plastic case from the inline phone jack to expose two terminals with holes in them. Run the wire through clip and thread the exposed ends of wire through each separate copper hole from the inside out. Bend wires down away from phone jack and trim the excess. Thread the plastic cover over the wire and screw it onto the jack base. Take the other end of the wire and solder exposed wire to each side of the copper square, making sure that the plastic insulator on the wire is as close to the copper square edge as possible. MATERIALS: One 12-inch piece of 22-gauge, two-conductor, stranded speaker wire; one 3/8-inch copper square cut to fit in battery slot or two pieces of thin copper sheeting held together with double-sided carpet tape; one 1/8-inch inline phone jack. At this poit the adapter is ready for use. If it does not work, check to make sure that no bare wires are touching each other and that the solder points are not loose. TOOLS: Rosin core solder and soldering iron. SKILLS REQUIRED: Soldering and electronics. TITLE: Battery Device Adapter. WEB SITE: Assistive Technology Partners, University of Colorado Health Sciences Center, at REF: Make 'N Takes. Assistive Technology Partners can also be reached at 1245 E. Colfax Avenue, Suite 200, Denver, CO 80218; (800) 255-3477 (In state only), (303) 315-1280, (303) 837-8964 TTY, (303) 837-1208 Fax


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