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All soldering and wiring done.
Definitely not the best soldering I've ever done. Seems I need the practice…
The HD44780 controller is a very common little chip that acts as the brains behind little character-based displays. These displays are every, every, everywhere - the gas station down the street from my house has them in the gas pumps and the cash registers, our new printer/scanner uses one, and I'd bet my eyeteeth that the little glowy displays in modern pay phones are driven by a very similar chip. Srsly. If you spend some time out and about in a well-settled part of any developed nation these days, you're bound to encounter several of them. There may well be some in your home, especially if you're a gadget freak.
I think the HD44780 is mid-eighties tech. They're not as flexible and fancy as graphic LCD controllers, but most applications don't need much. The HD44780 and its clones usually come with the English alphabet built in, as well as punctuation, numbers, and the Japanese katakana syllabary. There are also a few umlauted letters, Greek letters, and symbols - even an ñ! Scroll down a bit on this page to see the whole gang.
Code for using these displays is very easy to find on microcontroller hobbyist sites, but I wrote my own - as a software guy, I consider that the fun part. This picture shows a display I recently bought on eBay for about $11. It has an odd greenish-yellow backlight, which accounts for the lemon-lime background color. The display area is about 1x3 inches. I've just managed to get my interface code for it working - I've been using these for years, but with a different fambly of microcontrollers, and have just now gotten around to writing the code for the AVR MCUs. Now that I have it going, what can I not achieve?
The text extends a greeting to the almost-absurdly-beloved Japanese cartoon character Totoro, whose name is one of the few katakana words I know. (I highly recommend the movie My Neighbor Totoro. If you haven't seen it, check it out - it's beautiful, beautiful work and one of the sweetest films I've ever seen.)
カワイイ!
Electronics factory workers, Cikarang, Indonesia © ILO/Asrian Mirza
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 IGO License. To view a copy of this license, visit creativecommons.org/licenses/by-nc-nd/3.0/igo/deed.en_US.
Electronics cabinet. Receiver, lighting control relay, mac mini (audio and video server), and RF remote control system. Not visible is the ventilation system, near the top of the cabinet.
Electronics factory worker, Cikarang, Indonesia © ILO/Asrian Mirza
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 IGO License. To view a copy of this license, visit creativecommons.org/licenses/by-nc-nd/3.0/igo/deed.en_US.
Portable audio player built with an Arduino Duemilanove, and Adafruit Waveshield, mylar speaker, 9v battery.
From the process of developing and testing a circuit for a hauntology project called 'The Haunter' - www.hauntology.net
TN9 System
electronics
Solutions for vertical and Horizontal lighting
Possibilità di inserire illuminazione verticale sui lati e orizzontale sotto il piano top
My lipo ruptured, so I soaked it in salt water for weeks. The water very slowly evaporated, forming these really nice crystals. They are really really salty though!
Electronics Technician 3rd Class John Cocking solders a diode for repair aboard the nuclear-powered aircraft carrier USS Nimitz (CVN 68). Nimitz is operating as part of the U.S. 7th Fleet, in the Western Pacific and Indian Oceans. U.S. Navy photo by Mass Communication Specialist Seaman Matthew J. Lanese www.navy.com
Two workers assemble a flat screen TV at an electronics factory in Cikarang, Indonesia © ILO/Asrian Mirza
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 IGO License. To view a copy of this license, visit creativecommons.org/licenses/by-nc-nd/3.0/igo/deed.en_US.
Before my local shop for electronic components, Labb Elektronik, shut down, they gave away free bags with random stuff. These pictures are the result of sorting the components in these bags.
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Standard hole mount resistors, mostly with odd values. I've got 10* this amount
Related blog post: gameboygenius.8bitcollective.com/wordpress/2008/11/02/ele...
An electronics room in the Solar Telescope Gallery at Kitt Peak National Observatory. www.noao.edu/kpno/
■ LG전자, 예술의전당에서 올레드 TV로 그라피티 예술가들의 대표 작품 소개
□ ‘제우스’, ‘존원’, 닉 워커 등 작가 7인의 그라피티 제작 과정, 행위 예술 등 상영
■ ‘존원’의 그라피티 디자인 적용한 IT 기기, ‘제우스’가 그라피티 작업한 가전도 전시
■ LG전자 한국HE마케팅FD 손대기 담당 “올레드 TV의 차원이 다른 화질로 세계적인 작품을 눈 앞에서 보는 듯 한 감동을 전할 것” 이라고 강조
※ Social LG전자 (social.lge.co.kr/newsroom) 에서 관련 보도자료를 확인하실 수 있습니다.
A Knox College student disassembles old electronic devices in a physics department lab, prior to recycling.
Zeemote and executives showcasing the JS1 mobile gaming controller at the Blackberry by RIM booth during the 2009 Consumer Electronics Show. © Chris Michaels
Vacuum tubes, resistors, diodes, a Tube Screamer guitar pedal, transistors, terminal strips and more!