Building a DIY SMT Pick&Place Machine with OpenPnP and Smoothieboard (NXP LPC1769)

This article is about a project I have started back in January 2018. As for many of my projects, it took longer than anticipated.But now it is working, and the result is looking very good: a DIY automated pick and place machine to place parts on circuit boards. In the age of cheap PCBs, that machine closes the gap for small series of boards which have to be populated in a time consuming way otherwise.

OpenPnP Pick&Place Machine

OpenPnP Pick&Place Machine

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Embedded Computing Conference 2018: Pick&Place Overview Video

To support my talk next week at the Embedded Computing Conference 2018, I have put together a video with the hardware features of that Pick&Place based on OpenPnP machine based on NXP LPC1769 and NXP Kinetis K22. Below is a picture of the current machine:

Pick & Place Machine

Pick & Place Machine

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Sneak Preview: DIY SMT Pick & Place Machine with OpenPnP

I apologize: I have not been blogging much in the past weeks :-(. One reason is that I’m working on a DIY SMT/SMD Pick&Place machine which keeps me busy most of my spare time :-). I admit that this project is not finished yet, but now is the time I can give a sneak preview: a SMD/SMT pick and place machine:

Pick&Place Machine

Pick&Place Machine

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Custom 3D Printed Magnetic Encoder Disks for Robotics Projects

I’m making great progress with the firmware for the new Mini Sumo Robot (see “New Concept for 2018 Mini Sumo Roboter“). The goal is a versatile and low-cost Mini Sumo robot, and the robot comes with the feature of magnetic position encoders. In a previous article I have explained how to mold custom tires for robots (see “Making Perfect Sticky DIY Sumo Robot Tires“), this article is about how to make DIY Magnetic disk encoders.

3D Printed Magnetic Disk Encoders

3D Printed Magnetic Encoders Disks

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Making Perfect Sticky DIY Sumo Robot Tires

Sumo robot challenges are fun. One important aspect of every Sumo robot are the tires: if they are sticky enough, the robot can push out the opponent. In this article I compare different available robot hubs and tires, and how to make DIY hubs and tires.

Selection of Sumo Robot Wheels and Tires

Selection of Sumo Robot Wheels and Tires

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New Concept for 2018 Mini Sumo Roboter

Doing Mini Sumo robot competition is really fun, and there is yet another one coming to end the current university semester. For several years we have used our own sumo robot, and this is the one used in the course this year too. But for future and extended events we are exploring a new robot. I proudly present the concept of the next generation sumo robot for the year 2018:

Sumo Robot with Bluetooth module

Sumo Robot with Bluetooth module

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2017 Spring Semester Sumo Challenge

Video

The spring university semester is coming to an end, and the Infotronic course closed with a Sumo robot challenge. Great challenge, new technologies, innovative approaches and funny designs 🙂

Groot

Groot

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3D Printed Sumo ToF Blade

ToF (Time-of-Flight, see “Tutorial: STMicroelectronics VL6180X Time-of-Flight LIDAR Sensor“) sensors are fun: they measure the time the light takes to travel to an object and back again. That way they can measure the distance to object with a millimeter accuracy. An ideal sensor for a battle robot: 🙂

Front Blade attached

Front Blade attached

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Making-Of Sea Shell Sand Clock

The year is coming to an end, the Holiday season is approaching. In case you are looking for a nice present: I have completed my version of a sand clock: a clock writing the time into sand:

Sandclock

Sandclock

If you are interested to build your own version, I have documented the different steps with tips and tricks…

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MINTomat: World’s Most Complicated Bubble Gum Automata?

How to fascinate kids for technology? Show them that engineering is fun :-). At the Lucerne University of Applied Sciences and Arts we have created the ‘MINTomat’: a robotics system for STEM activities rewarding interaction with bubble gums:

MINTomat

MINTomat

Yes, pretty over engineered compared to a normal bubble gum automata, but that’s part of the fun :-).

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A Flying UAV Drone Full of Sensors

One goal of this blog is to inspire engineers, in one way or another. And when I get reports back that things were useful, I like to share it :-).

So here is something what a team of young undergraduates (Przemyslaw Brudny, Marek Ulita, Maciej Olejnik) did for theirs Master Thesis work at the Politechnika Wroclawska, Poland: a very cool flying machine controlled by two Kinetis K66, having many sensors (on own designed boards) with a custom debug/programmer board similar to the tinyK20, developed with the NXP Kinetis Design Studio:

Plane Model

UAV (Source: Thesis of Przemyslaw Brudny)

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Flashing many ARM Boards without a Host PC

So here I have 50 new NXP Kinetis K22 Robot boards (see “Zumo Robot with Magnetic Encoders“), and they all need to be programmed with the first firmware on the bench:

Programming Robot Boards

Programming Robot Boards

The challenge is: how to do this in a fast an efficient way, without the need for an IDE or even host PC machine?

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Zumo Robot with Magnetic Encoders

We are using robots to teach advanced embedded system programming at the Lucerne University (see “Sumo Robot Competition“). Students can buy the kit, and we are running out of available hardware. Time to produce a new series of robots :-). It took us a while to get to the next revision of the Zumo Robot, but finally the first one has been produced and assembled, and I think it is looking good :-).

Intro_Zumo_Robot

Intro_Zumo_Robot

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Kinetis Drone: Remote Controller with SUMD

The bad news: my ESC (see “Kinetis Drone: Graupner ESC S3055 Failure“) for my Kinetis drone is still not repaired :-(. Anyway, I have plenty of other things to make for my drone project. One is to work on the remote controller:

Test Setup

Test Setup

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Zumo Robots at Maker Faire in Rome (16. – 18. Oct. 2015)

I won’t be able to attend the Maker Faire in Rome (16. – 18. Oct. 2015). But five of the Sumo bots students from the previous semesters have built and programmed will be there.

Sumo Robots

Sumo Robots

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Kinetis Drone: Driving the Electronic Speed Controllers

In “Kinetis Drone: Frame Construction with Graupner Race Copter Alpha 250 Q” I have assembled the frame for my Kinetis Drone. In this post I’m going to drive the ESC’s (Electronic Speed Controllers) with the Freescale FRDM-K22F board:

Graupner S3055 ESC

Graupner S3055 ESC (Source: Graupner)

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Snow Plowing (Darth Vader) Sumo Bot

Finally, winter with lots of snow arrived in Switzerland. Getting up at 5am this morning to free up my front yard from the 25 cm snow which came down overnight, so I can drive my wife to work. She does not like driving in snow conditions, but it is fun for me :-). But lots of snow, I thought I could use a little helper bot:

Snow Plowing Sumo Bot

Snow Plowing Sumo Bot

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