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26 de jun. de 2023 · Jul 3, 2023. #4. DX went down the tubes some years ago after new management or something. It used to have detailed user reviews, and forums with practical advice on the products. Banggood.com was pretty good, at least as far as feedback on items, but in the last couple of years the selection of items has declined dramatically.
11 de feb. de 2011 · What's people's opinions about DealExtreme and the Chinese produced electronics? eg...
21 de sept. de 2011 · 10. Sep 21, 2011. #1. Planning to build a camera for a long time. I was planning to do it with arduino but finally gave up because I found it's hard to control a tft LCD with AVR. I got this camera kit las Sunday. The main board is a small STM32F103RB dev board, the camera sensor is OV7725. Unlike the seller declared that any body can make a ...
16 de ene. de 2012 · You can get 63/37 paste from China pretty cheap by going to eBay or DealExtreme, but I have no idea if it's any good, plus shipping takes a while. Otherwise, it's expensive from the usual vendors like Digikey, Mouser, Newark, etc. I did find this one and it's Kester, but who knows.
1 de jun. de 2009 · Hi, this might be a really stupid or easy question for u all out there. The thing is, I have very little idea about all this. I have made four boards with 72 white LEDs connected in series in each of them. The AC supply in my place is about 220v. Now, if I connect any of these boards to my...
31 de ene. de 2012 · Generally no it should not matter, the voltage is how much they can safely open without arcing. However, most switches need a little zap of current to burn off any oxide layer that grew. Run a switch at very little current and it may not close. For that either waste a little current or use gold plated contacts. C.
5 de mar. de 2010 · Joined Feb 4, 2009. 435. Mar 9, 2010. #5. Actually this scope is free unless you want it for commercial use, which is true for most things. The use of the software and of the documentation is granted free of charge for private and non-commercial use in educational institutions.
9 de dic. de 2009 · 2) The trickler starts dispensing powder while the uC (microcontroller) both controls the step rate and monitors the scale. 3) As the scale output nears the desired weight, the uC slows the step rate of the motor. 4) When the uC "sees" that the scale is reporting just under the desired weight, the motor is stopped.
24 de sept. de 2010 · I will post the "after" pictures using what ever technique you recommend. Some pointers I'm giving myself: - I'm going to use a FFC cable in the connector as a heat sync - I may try to only tin the connector and try to then attach it to the cable Difficulties I foresee: - extremely fine pitch makes bridging pins a hazard. - heat will damage the traces on the cable/ melt the plastic connector ...
Respostas. O site em si é confiável sim. Demora mas entrega. Só preste bem atenção no que você está comprando, principalmente quanto a eletrônicos. É um site chinês, que revende de várias fábricas de lá, e muitos dos produtos são cópias, ou versões "genéricas" do original.
