USA (Page 2)

Unprecedented Innovations from a young group of Scientists who may change the way we interface with the Electronic Environment around us.

EMS Laboratories – Hobby Electronics

Meggy Jr RGB is designed to be programmed through the popular Arduino software environment, when you hook it up to your computer with an FTDI USB-TTL cable

Meggy Jr RGB

Meggy Jr RGB is a new kit that we designed as a platform to develop handheld pixel games. It’s based around a fully addressable 8×8 RGB LED matrix display, and features six big fat buttons for comfy game play.

A unique feature of Meggy Jr RGB is that it is designed to be mounted inside a “handle set” — a wooden or plastic case that’s safer and more pleasant to hold than a bare circuit board.

Begin With the Basics – Learn about static electricity and how to make magnets and solenoids. Find out about direct current and alternating current. Then learn about electrical circuits that use batteries and lamps.

Getting Started in Electronics – Forrest M Mims III

Getting Started in Electronics - Forrest M Mims III

Other Books –

  • The Forrest Mims engineer’s notebook
  • The Forrest Mims circuit scrapbook

Forrest Mim’s Science Web site

Mims was interested in science at an early age, and he built an analog computer as a high school science fair project in 1960. While memorizing his Latin class vocabulary words, Mims conceived a computer that could translate twenty words from one language to another.

Forrest M. Mims III is an American amateur scientist

The input was six potentiometers (variable resistors) each having a dial with 26 letters. Entering the first six letters of the word on the potentiometers set a total electrical resistance. The memory of known words was a bank of 20 screwdriver-adjustable trimmer resistors.

“I make things, mostly technological, but don’t hold me to that, consistency is not a human virtue. Electronics and software, cast iron and plastics, microcontrollers in vintage automobiles, faux historical machinery that could (not) have been; finely crafted, rigorously rugged, reliable, most often.”

Tom Jennings – World Power Systems

The Model 01a (aka M01a) is a 3″ x 5.5″ self-contained controller board designed for embedded applications. It’s based around Microchip Inc’s in-circuit-programmable 14-bit PICs, and contains I/O expansion, a power supply and various goodies that I found useful in five years of using my previous controller board design.

WPS Model 01a Control Engine

WPS Model 01a Control Engine

The M01 board contains enough support hardware to pull off a lot of functionality. Before I get to handling common interface problems here’s a function-by-function description of the hardware. There’s some subtlety to some of the design that’s worth paying attention to.

Index of www.wps.com, by subject

Technical reference data; obsolete, obscure, hard to find, and sometimes just plain old; mostly things made or written by others.

Designing Bipolar Transistor Audio PreAmps, Designing JFET Transistor Audio PreAmps, Designing Op Amp IC Audio PreAmps, Switching Regulator Basics, Using Transistors As Switches.

RASON Projects Page – Amateur Radio

  • 10 Amp, 13.8 Volt Power Supply
  • 12 Volt Gel Cell Charger
  • Thermal Fan Controller
  • Transistor Audio Amplifiers
  • 12 Volt Gel Cell Charger
  • Switching Regulator Basics

 

A Potpourri of Audio Amplifiers  By N1HFX

“I intentionally avoided the use of IC amplifiers to provide a real learning experience for audio amplifier design. Although many IC amplifiers provide excellent performance at low cost, we need to learn the basics first. I will address IC audio amplifiers in a future article.”

The Radio Amateur Society of Norwich
P.O. Box 329 – Norwich, Connecticut 06360

Dual Polarity Power Supply
Two versions of a dual polarity power supply with printed circuit board artwork. The supplies are built around the popular LM317 & 337 complementary voltage regulators which offer very high ripple rejection as well as short-circuit and thermal protection.

Jason Neals DIY Audio and Electronics

Microphone Preamplifier
A battery-powered microphone preamplifier and microphone wand for acoustic tests and recording. The preamplifier features 20dB of switchable gain and a clipping indicator,

Jason Neals DIY Audio and Electronics
An interesting website with many photos of electronic projects. There are not many projects but the description and photos and documentation are very useful for learning the art of circuit design.

“So what what do we do here? SparkFun, the company, sells the bits to build stuff – like a robot, or an MP3 player, or a defibrillator, really anything you can dream up! We are electronic enablers….”

SparkFun Electronics – Parts and Kits

SparkFun is an online retail store that sells the bits and pieces to make your electronics projects possible.

“It’s our fun blend of gift shop, electronic project gallery, and a glimpse into our manufacturing floor. The Emporium is stocked with kits, breakout boards, and many other bits and pieces you might need for your projects.”

SparkFun Electronics - Parts and Kits

Tool Kit – Deluxe

Digital Multimeter – Good volt/current meter, with continuity testing and a Monocle Magnifier – Illuminated – Gotta see those tiny SMD parts

50W Variable Temperature Soldering Iron, Solder Tip Tinner and Cleaner and Wick. Wire Strippers, Needle Nose Pliers and Diagonal Cutters.

SparkFun Electronics
6175 Longbow Drive Boulder, CO 80301, USA

NYC Resistor is a hacker collective with a shared space located in downtown Brooklyn. The NYC Resistor Microcontroller Mailing List is a great place to meet others with the same interest…

NYC Resistor – Hack Build Learn DIY Electronics

“In this hands-on workshop, you’ll learn how to use a soldering iron safely and effectively, and get plenty of practice with both soldering and desoldering techniques. We’ll be soldering up some Game of Life kits – LED tiles that generate nifty animations.”

Intro to Soldering Workshop

NYC Resistor - Hack Build Learn DIY Electronics

Other Classes Examples –

“We’ll learn to program an Arduino and interact with the physical world! This class covers an introduction to Arduino, including how to use light sensors, LEDs, buzzers, and more.”

“Turn almost anything into a musical instrument with Teensy, an inexpensive Arduino-compatible microcontroller. The Teensy 3.2 has a bunch of touch sensors and analog and digital inputs,..”

NYC Resistor
87 3rd Avenue, 4th Floor, Brooklyn, NY 11217, United States

Hardware, Electronics, Supplies, Custom Engineering and Technical Assistance for the Animatronic, Robotic, Electronic Arts, Haunted Attractions, Hobbyist and Professional.

Blue Point Engineering – Animatronics Robotics

“..Product line of low cost, high quality, hardware, electronics, and supplies used in animatronics, robotics, haunted Industry and technology education for both the hobbyist and professional designers, imagineers and dreamers creating their own forms of animatronic and robotic life.”

DMX Motor Controller - Blue Point Engineering

The DMX- (Servo) Motor controller allows DC motors to be controlled over a standard DMX system. The board may be configure to drive the DC motor simply as a variable speed, reversible motor or with the addition of a position feed back potentiometer, to create a powerful servo motor controller for accurate positioning purposes.

Blue Point Engineering LLC – BPE Solutions
Longmont, . Colorado .USA