Jared Wolff

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How to Self-Assemble Circuit Boards

Self assembling circuit boards is the cheapest way to get components on circuit boards. Period. Don’t believe me? Believe these screenshots: Self assembled: $143.84 + Tax & Shipping Professionally assembled: $362.83 + Tax & Shipping That’s about $50 per board versus $120 per board. That’s huge. Plus 18 days is a long time to wait for three circuit boards. In this post, I’m going to to talk about the biggest tips and tricks I’ve learned over the years on how to assemble my own circuit boards....

The Steps to a Successful Product

I was stressed out. The startup I was working for just closed its doors. Having a family to take care of, I was on edge. I had a tightness in my chest that didn’t quite go away. The onset of panic came in waves. I was defending myself with a crude stick while my attackers had spears. To take my mind off things, my wife and I decided to get out of the house....

Not sure where to start? Start here!

How to Best Power Your Connected Electronic Device in 2018

Getting Started in Electronic Device Development

Dimming AC Lights With a Micro-controller

In this post I’m going to talk about how to control AC circuits from a DC powered device. You can go crazy when it comes to this stuff. So my main goal was to keep it simple. Be mesh enabled for future improvements Have the ability to dim the connected lights Have a way to control the dimming functionality The requirements above necessitate a few circuits that need to be mushed together....

How to Best Power Your Connected Electronic Device in 2018

Powering an electronic device is a challenge. Depending on the end user case you may want to use batteries. In some cases, plug it into the wall. Either way there are drawbacks and advantages to either solution. In this article, I dive into the most used methods of powering electronic devices. That way you can make an informed choice and move onto the hairier problems that you’re working on....

Create a Cross Platform App Using Blynk

As “fun” as it is to take days if not months to create a mobile app, no one likes to wait. So, how can you get to something working that you can get up and running and focus on the next thing? Enter Blynk. Blynk is an app that creates apps. You can use it to monitor the air inside your house or even turn your lights on and off. Your imagination is your limitation....

Getting Started in Electronic Device Development

Are you trying to figure out what wireless technology to use? What development kit you should buy? How to find the right partner to engage for your design? If any of those questions resonate with you these three posts are definitely for you. This collection of posts is for everyone in the electronic device development process. From beginners to more advanced, I have you covered in these series of posts....

How to Optimize Your Bluetooth Device Battery Life

If your product isn’t lasting as long as you want to, it may be time to do a current profile on your product and see where you can optimize power. This is a must for battery powered products and will save you from the dreaded customer induced headache 🤯 in the future. Once you know how you’re going to power your product, it’s time to figure out how much power you can save with this handy technique....

How to Build a Particle Photon Powered Temperature Sensor

In the beginning, there was nothing. Then, you figure it out and go from there. Someone Wise Every project has it’s beginnings. Mine began with a simple hypothesis: “Could I, using the Particle Photon, to monitor a wood-stove for a winter season running on two AA lithium batteries.“ So, there were two things to think about during this process Constraints of the batteries Functionality of the design In order to get the best battery life, the system has to be in a very low power draw state most of the time....

Adding Search to a Hugo Site With Lunr and Gulp

I just recently added search to Circuit Dojo but it was not as straight forward as I had hoped. There was plenty of people who had done it but there were some important details that were left out. So, like anyone else in this situation, I hacked on it a bit to understand how things work under the hood. Here’s the process from beginning to end on how to get it done using a Gulpfile, and some Hugo templates generated on compile time....

Prototype Electronics With Wire Wrap

Wire wrapping one of my favorite prototyping techniques. Used previously for making the interconnections between integrated circuits on motherboards in the 60’s and 70’s it has since gone by the wayside due to the advent of printed circuit board assembly. I stumbled upon it a few years ago while I was developing some test fixtures for the company I was working for at the time. Turns out that the vendor that was building our fixtures uses it every day!...