Insert LED Matrix to Enclosure

Insert the wiring from the LED Matrix through the opening in the dhp-led.stl part. Fit the LED Matrix into the dhp-led.stl part with the triangle part lined up with the top of the LED (The noticable dots indicate the LED's orientation).

Install Sensor to Barrel

Place the sensor over the barrel and line up the orientation. Carefully insert the distance sensor into the dhp-barrel.stl part with the plastic part going in first. 

Add Trinket to Enclosure

Insert the Trinket into the dhp-box-bottom.stl part with the USB port facing the port opening. Line up the two mounting holes on the trinket with the holes on the part.

Mount Trinket to Enclosure

Add two #4-40 flat phillips screws to the dhp-box-bottom.stl part and fasten it together while holding the Trinket down to the part.

Connect Switch to Trinket

Insert the male JST connector from the slide switch adapter to the female JST conncetor on the Trinket.

Add Screws to Trigger

Fasten two #4-40 flat philips screws into the holes with stand-offs. These need to be inserted so that the heads of the screws are on the opposite end of the stand off.

Add Switch to Enclosure

Insert the Slide Switch adapter into the dhp-bottom-box.stl part.

Connect Battery to Switch

Insert the male JST connector to the female JST connector on the slide switch adapter.

Add Battery to Enclosure

Insert the 3 x AAA battery holder in the dhp-bottom-box.stl and gently position the cables in between the sides.

Add Barrel to Enclosure

Insert the dhp-barrel.stl part onto the dph-bottom-box.stl part with the bottom edge fitting into the opening on the enclosure.

Position LED Matrix Wiring

Place the wiring from the LED Matrix through the opening near the top of the battery like in the photo. This wire needs to route through the opening near the triggne and out the handle.

Install Trigger

Place the trigger on the enclosure with the heads of the scews resting inside the indents of walls.

Add Cover to Enclosure

Place the dhp-top-box.stl part over the dhp-bottom-box.stl part and make sure wires are not covering the standoffs.

Secure Enclosure

Add #4-40 flat phillips screw to the three mounting holes. Hold down the top and bottom parts together so both pieces are flush when they're secured together.

Add Handle to Enclosure

Position the dhp-bottom-handle.stl part to the battery+trinket enclosure like shown in the photo. 

Adjust LED Matrix Wiring

Press down the excess wiring and bend it behind the standoff in the handle.

Add Cover to Handle

Place the dhp-top-handle.stl part over the dhp-bottom-handle.stl part and line up the mounting holes and standoffs.

Check Trigger Placement

Ensure the two screws in trigger are properly positioned inside the enclosure.

Secure Handle

Join the top and bottom handle parts together with machine screws. Fasten three #4-40 flat philips screws while tightly holding the two parts together.

Secure Bottom Handle to Enclosure

Line up the mount holes on the bottom of the handle and add two #4-40 flat phillips screws to the bottom. Fasten these screws tightly to join the bottom of the handle to the enclosure.

Secure Top Handle to Enclosure

Line up the holes on the top of the handle and add two #4-40 flat phillips screws to the top. Fasten these screws tightly to join the top of the handle to the enclosure.

Secure LED Enclosure to Handle

Postion the dhp-led.stl part over the top of the handle and line up the mounting holes. Make sure the triangle piece is pointing towards the barrel. This serves as line of sight. Add two #4-40 flat phillips screws to join the part to the handle.

Secure LED Matrix to Enclosure

Flip the part over and fasten 4 #2-56 flat phillips screws to secure the LED Matrix to the enclosure.

Add Cover to LED Enclosure

Snap the dhp-led-cover.stl part on top of the LED Matrix to cover it up.

Measure In Style

Now you ready to test out your shiney Ultrasonic Ruler.

This guide was first published on Sep 15, 2014. It was last updated on Sep 15, 2014.

This page (Build) was last updated on Dec 23, 2019.

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