randofo @ instructables writes:
The 8-Pin Programming Shield allows you to program ATtiny series chips using the Arduino itself as the programmer. In other words, you plug this into your Arduino and then you can easily program 8-pin chips. These small microcontrollers can then be incorporated into any project that you want. Follows are instructions for assembling your own 8-Piin Programming Shield.
8-Pin Arduino Programming Shield - [Link]
Company 4D Systems launches on the market a powerful graphic processor Diablo 16, suitable even for larger displays and powerful embedded applications.
After a success of Goldelox and Picaso processors, company 4D Systems decided to design a processor which would be powerful enough for demanding graphic applications and also usable on larger displays. Processors Goldelox and mainly Picaso are still perspective everywhere, where they´re sufficient by their power and memory , but for example they´re not suitable for 7“ displays. That´s why the 16 bit processor Diablo16 comes on the market. What does it bring? It could be said, that increase of computing power and functionality in almost all ways. More possibilities, substantially more Flash and RAM,…
A good news is, that also the Diablo 16 has a core designed for execution of programs in the 4DGL language, similarly like processors Picaso or Goldelox. The 4DGL language (4D graphic language) is a powerful, high-level language, which however maintains user friendliness and it´s easy to learn. A big advantage is, that a powerful software package for development of graphic applications – Workshop4 IDE is usable also for the Diablo 16 and it´s completely for free.
Together with a new processors, there´s also available a ready-made graphic module uLCD70DT (7“, 800×480), ready for immediate usage.
2,3,4 … 7 inches will display more - [Link]
If you don´t have enough space on a PCB, maybe you´ll benefit from dual connectors for SIM cards and memory cards.
Usually there are more than enough reasons why to save space. Especially at handheld devices it´s almost always desirable that they were miniature and lightweight. We bring you two useful SMT connectors able to solve a problem with insufficient PCB space:
- microSD+SIM card socket – 112G-TA00-R, 2×8 pinov, push-push for uSD/ push-pull for SIM, SIM/SD cards are mutually rotated in 90°
- 2x SIM card socket – 115H-BA00, push-pull
Both sockets are made of a stainless steel and the plastic part is from an LCP (liquid crystal polymer) class UL94-V0 (self-extinguishing). Compact construction of both connectors is also reflected in a low profile of 2.7/ 3 mm.
“Doubledecker” can be found not only in London - [Link]
The team describes it as the world’s first starter-kit designed for App Developers to build apps, for the devices and things around them. A “chocolate bar” with detachable bits of different sensors and Bluetooth Low Energy, connected to a mini wifi base, together with easy-to-use SDKs for iOS, Android, node.js, and our simple REST API.
The WunderBar is the easiest way to create useful connected devices. It works out-of-the-wrapper, contains a host of awesome sensors, and is dead-simple to program.
Sensors include: Light, color, distance, temperature, humidity, remote control (IR), accelerometer, and gyroscope. Two additional sensors will be chosen by you.
WunderBar – Internet of Things Starter Kit for App Developers - [Link]
Got a buck? Make a charger for LiR2032 coin cells. It could hardly be cheaper or easier.
This Lithium battery charger circuit board, based around a TP4056 chip, will set you back all of $0.90. That may be an overestimate. I won an auction this week for 5 of them and paid $1.36, shipping included.
$1 Lithium Coin Cell Charger - [Link]
This is a heart-shaped LED chaser would be a nice gift for Valentine’s Day. Circuit is very simple and uses the 555 timer IC (configured as astable multivibrator) and CD4017B decade counter.
The object of your desire will not be able to resist a heart-shaped LED chaser, lovingly hand-crafted on perfboard with a CD4017B decade counter and 555 astable. But you probably can’t go wrong with flowers and chocolates as well. Just to be on the safe side.
Heart-shaped LED chaser for Valentine’s Day - [Link]
A research team at Virginia Tech has produced a low-cost rechargeable battery that runs on sugar. They are not the first in the field to develop a sugar battery but the energy density of their design shows an order of magnitude improvement over existing sugar-based battery technology.
The findings from Y.H. Percival Zhang, an associate professor of biological systems engineering in the College of Agriculture and Life Sciences and the College of Engineering, were published in the journal Nature Communications. According to Zhang “Sugar is a perfect energy storage compound in nature, so it’s only logical that we try to harness this natural power in an environmentally friendly way to produce a battery”. [via]
Battery Recharging… One Lump or Two? - [Link]
Software simulator for Electronic Assembly display EA DOG series will bring you a clear image about possibilities of this favorite series.
Usually, when we start working with some monochromatic display with a color backlight, we have to imagine which combination of display/ backlight would suit us the best. It isn´t hard but for sure even here is valid, that “it´s better to see once than to hear three times”.
For this purpose will serve well a simple application StartDog, in which you can “try” for free various EA DOG series displays in combination with various color backlight (including RGB). This application will simplify you choice of a display without useless expenses. Besides a possibility to choice types themselves (with various resolution), it´s also possible to choose 4 basic kinds of “glasses”: STN positive Y/G, STN negative blue, FSTN positive and FSTN negative.
Application StartDog also cooperates with the EA9780-2USB development board and so the text or image displayed on your PC can be seen also on the EA DOG series display.
Start with the EA DOG displays for free - [Link]
WiFi 802.11 b/g/n module usable immediately and with a minimum effort may be the right solution even for you.
There are many types of WiFi modules with various features on the market. For example recently described WizFi630 is literally full of functions, which take it into a class of routers. On the other hand a novelty WizFi250 has somewhat less functionality but meets all common requirements for a compact and easily applicable WiFi module suitable for a mass usage into various devices and it adds an important bonus – a very competitive price. WizFi250 provides all necessary for a simple usage – an integrated RF amplifier, antenna, low power consumption, 1MB Flash and secure protocols (WEP, WPA, WPA2PSK) and mainly easy control by simple AT commands. Thanks to its features is the WizFi 250 suitable for all common 8/16/32 bit microcontrollers.
WizFi250 – WiFi quickly, easily and cost-effectively - [Link]