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Engineering scholar created a formidable DIY cable cam with AI-powered monitoring: Digital Images Evaluation


The Cablecam is constructed round a single brushless motor and Raspberry Pi 4 with an Arducam hooked up to a two-axis gimbal.

Uruguayan engineering scholar, Maximiliano Palay, has shared an in depth breakdown exhibiting how he constructed Cablecam, a DIY cable digicam. Whereas this isn’t precisely your weekend Raspberry Pi venture, when you’ve got the engineering chops (in addition to money and time), it’s one thing you’ll be able to piece collectively your self.

Max created the design for the Cablecam utilizing Autodesk Fusion 360 (by way of an Schooling License).

The Cablecam, as Max calls it, was the primary venture of his to combine all of his disciplines collectively: ‘software program, {hardware} design and a few fabrication strategies’ and was his first try at making a shifting robotic. Max says he made many of the Cablecam from components he had ‘laying round,’ however until you will have entry to a 3D printer and a CNC machine, and have just a few pocket computer systems and motors sitting round, you may must buy just a few objects. Beneath is a listing of the important thing elements Max used to create the Cablecam:

Like different cable (or line) cameras, the Cablecam can run alongside a string or cable in a single axis to offer a dolly-style impact with out the necessity to arrange an advanced rail system. The body of the Cablecam is constructed of CNC-milled wooden items with 3D-printed gears customized made to maximise torque from the brushless motor. Beneath is a video exhibiting the gears in motion with out the motor hooked up:

To drive the motor, Max used an digital velocity controller he had sitting round, nevertheless it was leftover from a drone venture, so it didn’t supply a reverse choice. To repair this, Max added a polarity swap utilizing 4 relays with an Arduino in order that when the polarity is switched, the Cablecam strikes in the wrong way. The batteries used to energy the Cablecam have been ‘harvested cells’ taken from an previous laptop computer.

The digicam onboard the Cablecam is an Arducam inside a customized 3D-printed case hooked up to a Tarot two-axis gimbal. Max used a wide-angle smartphone digicam lens adapter from a package in entrance of the Arducam to get a large angle-of-view. All the Cablecam is powered by a Raspberry Pi 4, which communicates wirelessly with the bottom unit.

The bottom station, which wirelessly controls the Cablecam, makes use of Nvidia’s Jetson Nano as the principle pc and is all packaged inside a Seahorse SE120 case. Along with the principle pc and fan used to maintain issues cool, the case additionally homes a display screen and potentiometer that’s used to manually management the Cablecam’s motion.

To take it a step additional, Max additionally built-in Nvidia’s pre-trained neural networks so as to add an automated mode that identifies and tracks individuals primarily based on sure standards. This takes footage despatched to the bottom unit from the Cablecam, analyzes it, then mechanically strikes the Cablecam to middle the topic within the body, as seen within the beneath demo video (Max apologized for the poor video high quality):

This isn’t your common DIY venture, nevertheless it goes to indicate that even complicated items of digicam tools might be made when you’ve got the information and tools accessible. In the event you’re courageous sufficient to try your personal Cablecam, remember to shoot us a message so we will function it as nicely.

The complete venture breakdown might be discovered over on Hackaday, the place Max shares a few of the sources he used to get every part up and operating. Yow will discover extra of Max’s tasks on Hackaday and sustain along with his engineering feats by way of his LinkedIn profile.


Picture credit: Images by Maximiliano Palay, shared with permission.

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