All Posts by John Teel


Introduction to Injection Molding

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Pictorial of an injection molding machine (supplied courtesy of Rutland Plastics).

Article Technical Rating: 7 out of 10

Unless your electronic product will be marketed solely to DIYers and electronics hobbyists it’s going to need an enclosure. Most likely this … read more


Review of Bluetooth Low Energy (BLE) Solutions

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Article Technical Rating: 8 out of 10

Bluetooth Low-Energy (BLE) is definitely one of the most popular technologies for new electronic hardware products. There are good reasons.

BLE is an extremely low power wireless technology that can be powered from … read more


Introduction to Microcontrollers

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Almost every electronic product needs a “brain” of some sorts to control the various product functions. But what “brain” is best for your product?

Start by deciding if you need a microcontroller unit (MCU) or a microprocessor unit (MPU). Nearly … read more

6 Printed Circuit Board (PCB) Description generated with high confidence

How to Prototype Your New Product

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Prototyping your product is all about learning. Each time you create a prototype version you will, or should, learn something new. Start with the most simple, low cost way to prototype your product. Then, with each prototype iteration you should … read more


Why Hardware is Hard, But Easier Than Ever

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Article Technical Rating: 5 out of 10

Hardware is hard is so commonly said it has become a cliché. Yeah, you know it’s hard, but why exactly? In this article I will discuss this in detail.

Fortunately, there is good … read more


PCB Design Software – Which One is Best?

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Article Technical Rating: 7 out of 10

There are numerous software packages available for designing printed circuit boards (PCBs), too many in fact. That being said, there are three PCB design packages that tend to be the most popular and … read more


Home Automation with an Arduino – A Basic Tutorial

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Article Technical Rating: 6 out of 10

From controlling the room lights with your smartphone to scheduling events to occur automatically, home automation has taken convenience to a whole new level. Instead of using mechanical switches, you can now conveniently … read more

22 Prototype

How Much Does a Prototype Cost?

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One of the first major steps on the road to bringing a new product to market is the creation of a prototype.

The cost of a prototype can be broken into two major parts: the engineering cost to design it, … read more


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