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Posts Tagged ‘tutorial’

Biking sweeper detectors

Thursday, August 18th, 2016

Sweeper bike detectors project from Cliff Batson (N4CCB): They are equipped with a Moteino transmitter running on 9V battery power that keeps them going all day for the event, while transmitting a beacon every 4s. They beacon their identity to the various checkpoints/rest points and in sag vehicles (cars with...

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ESP8266 controlled with Android app (MIT App Inventor)

Friday, April 22nd, 2016

Rui Santos from Random Nerd Tutorials has posted a detailed tutorial on how to build an Android app using the MIT App Inventor software that allows you to control the ESP8266 GPIOs: More details at Random Nerd Tutorials homepage. Check out the video after the break. (more…)

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Posted in Android, how-to | No Comments »

DIY synth building, part 2

Tuesday, February 16th, 2016

Here’s a video tutorial on making a sequencer circuits from Casper Electronics: Learn how to make a variety of musical pattern sequencers using a few common electrical components and a breadboard. See the part 1 video on building oscillators here.

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Building a tracking generator

Tuesday, January 12th, 2016

A how-to on building a tracking generator using off-the-shelf components by Kerry Wong: In this blog post, I will show you how to build a 0 to 5.8 GHz tracking generator for the HP 8566B 100 Hz to 22 GHz spectrum analyzer using off-the-shelf components for under $100. Although this tracking...

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Building a simplex repeater

Thursday, January 7th, 2016

Kenneth Finnegan writes, "In this installment of the "How to Build a Repeater" series, I explain the concept of a simplex repeater and how to assemble one out of an Argent Data ADS-SR1 and a Motorola Maxtrac. Thanks again to Argent Data for providing me with an ADS-SR1 to play...

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Posted in how-to | 1 Comment »

Generating PWM signals

Saturday, December 26th, 2015

KF5OBS writes, "In this video I'm showing how to generate a PWM signal that's behaving proportionally to analog control signal." Details at KF5OBS' blog.

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Tutorial on the theory, design and characterization of a CMOS transimpedance amplifier

Wednesday, December 23rd, 2015

Tutorial on the theory, design and characterization of a CMOS transimpedance amplifier from The Signal Path: In this episode, Shahriar and Shayan discuss the design and characterization of a deceptively simple CMOS inverter-based transimpedance amplifier. The the large and small signal behavior of the CMOS inverter is discussed and measured...

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Designing a CPU in VHDL

Saturday, October 31st, 2015

A detailed guide on designing a CPU in VHDL by Domipheus: This is part of a series of posts detailing the steps and learning undertaken to design and implement a CPU in VHDL. Previous parts are available here, and I’d recommend they are read before continuing. Part 10 was supposed to...

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Posted in FPGA | No Comments »

Tutorial: How to patch the USB IR Toy driver into LIRC sources

Wednesday, September 16th, 2015

Oskar's tutorial on how to patch the USB Infrared Toy driver into LIRC sources. Get detailed instructions on github. You can get IR Toy v2 for $22.05, including world wide shipping.

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Posted in how-to, Infrared toy | 1 Comment »

Contactless payment ring – A tutorial on NFC antenna coil design

Tuesday, September 8th, 2015

Jatinder writes, " I have a done a video about a contactless payment (NFC) ring that I have made. The video talks about NFC antenna coil design and how I used the concepts to make the wearable ring." Via the contact form.

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Posted in DIY, hacks | No Comments »

Install a pressurized water system on your car bumper

Friday, July 31st, 2015

Want to add this on your car? Check out Eddie Zarick's video on how to install a pressurized water system on your car bumper: A step by step guide to me cutting up my 15' Wrangler and installing some running water from my stock rear bumper using a 12v RV...

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Creating Android BLE app

Monday, January 5th, 2015

Dany over at Elecfreaks writes: If you are an electronics enthusiast, and also fond of programming, I would be very glad to share with you an Android BLE application development method, so you can integrate the phone and MCU to do some more interesting things. Right now we begin to...

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DIY 30 watt stereo amplifier circuit

Wednesday, December 3rd, 2014

An article on a DIY 30 watt stereo amplifier circuit by Ron Hoffman over at Gadgetronicx:  The Stereo Amplifiers are quite handy in places where we need to amplify the input signals to make it audible for all. Weather it was a party or a simple meeting, this thing will do a...

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Posted in DIY | 1 Comment »

EWaste 60$ 3D printer

Tuesday, November 4th, 2014

A DIY 3D Printer built out of reused electronic parts by mikelllc, an instructables here: This project describes the design of a very low budget 3D Printer that is mainly built out of recycled electronic components. The result is a small format printer for less than 100$. First of all, we learn how a...

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Posted in 3D fabrication, DIY | 2 Comments »

Tutorial : Control your launchpad using your voice

Tuesday, October 14th, 2014

Antscran over at the 430h forum posted a how-to on using an Android phone and voice commands to control a MSP430G2553: In this tutorial I will demonstrate a MSP430 voice control over Bluetooth, using a HC06 Bluetooth module.  I will be using an Android App I programmed which can be...

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Posted in MSP430 | 1 Comment »

Dirty DIY stencils

Monday, September 1st, 2014

Matt Mets of Blinkinlabs shared a tutorial on making solder paste stencils quickly by hand: This is a truly quick and dirty method for making solder masks, and is nice because it only requires a few hand tools. It’s great for situations when you want to test a new design...

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Burn c into other chips using Arduino Duemilanove

Tuesday, August 26th, 2014

Kathy Yang writes, "We may often encounter such situation as bootloader falls off when using Arduino, this thing can freak us out especially when we got no bootloader tools on hand. So what shall we do? Here we’ll introduce a way on how to burn c via Arduino, which is rather...

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Posted in Arduino, project logs | 2 Comments »

Macgyver SMD soldering iron adaptor

Thursday, May 22nd, 2014

Rupert Hirst of RunAwayBrainz writes: Surface mount component removal can often be tricky. With a little thought, and a piece of copper wire, small components can now be safely and cleanly removed, without damage to either the component or PCB tracks. In the following video I show you how to...

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Posted in how-to, tools | 2 Comments »

Kicad Tutorial: Using the autorouter

Friday, March 8th, 2013

WayneAndLayne is doing a series of short Kicad tutorials.  This next tutorial in the series will show you how to use autorouter: Routing, the process of connecting all the pads of a printed circuit board (PCB) layout, can be a time-consuming and tedious process. To avoid the time and frustration of...

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Posted in tutorials | 4 Comments »

App note: Resistive bridge basics – Part One

Sunday, March 3rd, 2013

Part One - Resistive bridge basics: Bridge circuits are a time-honored way to make accurate measurement of resistance and other analog values. This article covers the basics of bridge circuits and shows how to use them to make accurate measurements in practical environments. It details the key concerns of bridge-circuit...

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Posted in app notes | 2 Comments »

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