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Step 19Battery Holders
The last mechanical part of this project was to create a way to hold the batteries, while making sure that they are easy to remove for replacement or charging.
The perfect place for mounting the 9V battery was right above the Arduino, so I created a mounting system for it out of some scrap metal. A piece of metal (with an electrical tape insulated bottom) screws on above the Arduino through one of the standoffs. On top of the metal is a bit of stick-on velcro. A piece of metal bent into a "U" shape clips onto the 9V battery, and then sticks to the velcro above the Arduino board, holding the battery in place.
To hold the larger battery pack, I cut two brackets out of some soft plastic angle bar I had lying around. These brackets screw into the arms that hold the linear slides. The battery stays in mostly by friction, but a bit of velcro on one side helps to stop it from slipping out.
The perfect place for mounting the 9V battery was right above the Arduino, so I created a mounting system for it out of some scrap metal. A piece of metal (with an electrical tape insulated bottom) screws on above the Arduino through one of the standoffs. On top of the metal is a bit of stick-on velcro. A piece of metal bent into a "U" shape clips onto the 9V battery, and then sticks to the velcro above the Arduino board, holding the battery in place.
To hold the larger battery pack, I cut two brackets out of some soft plastic angle bar I had lying around. These brackets screw into the arms that hold the linear slides. The battery stays in mostly by friction, but a bit of velcro on one side helps to stop it from slipping out.
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