electronics

TOOLS FOR THE ELECTRONICS HOBBYIST PART 1- GRAPHICAL COMPONENTS TESTER

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When I started to deal with Chinese electronics suppliers from websites like Alibaba, Aliexpressand Taobao, I discovered that there are huge amount of undiscovered tools from the Chinese market. They are not easily discovered, maybe due to the Chinese language barrier, especially when we deal with a Chinese website like Taobao or maybe because most of us are …

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A LASER TREATMENT TO IMPROVE PAPER ELECTRONICS

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NanoEngineers” research group at Iowa University have been devoting efforts to use graphene and its amazing properties in their sensors and other technologies. Graphene has many extraordinary properties. It is about 100 times stronger than the strongest steel. It conducts heat and electricity efficiently and is nearly transparent. Inspired by some recent projects about using inkjet printers to print …

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Tips for Putting Together Electronics from Scratch

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All electronics require certain components in order to work. In robots, there needs to be a motor as well as a circuit board to send the electronic device programmed information. In computers, there are motherboards, hard drives, processors, and of course, circuit boards. Almost anyone can learn how to put together an electronic device from …

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A Heat Switch for Controlling Heat Flow Path in Electronic Systems

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A switch is a fundamental part of most electrical and mechanical devices; mechanical switches can be used to select gears in a car’s transmission or used to unlock a door; electrical switches can turn the lights in a room on and off;  semiconductor uses to route logic signals within a circuit or control bigger devices. …

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VERSATILE AND OPEN SOURCE LIPO BBATTERY BREADBOARD POWER SUPPLY

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Orlando Hoilett from Calvary Engineering LLC designed a  versatile Li-Po battery breadboard power supply and wrote an Instructables on it. This power supply outputs 3.3V to the breadboard and takes input from a single-cell LiPo battery. The breadboard power supply also has the ability to charge the battery without needing to separate it from the circuit board. More importantly, this …

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These Monthly Arduino Project Kits Are an Awesome Way to Learn Coding and Electronics

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If you’ve recently found yourself spending too much time looking at memes on your phone, or you’ve noticed you are becoming unnervingly familiar with Netflix’s back catalogue of obscure conspiracy theory documentaries, it might be time to find a new hobby. Preferably one that’s not going to rot your brain. And if you happen to have an …

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CH3330N – Small and Cheap USB-Serial Converter IC Needs No Crystal

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Recently the hobbyist market has seen the appearance of the Air602 low-cost ARM WiFi module. This module might be a potential competitor of ESP8266, another low-cost powerful WiFi module, that took the electronics hobbyists by storm long ago and is still extremely popular. But what’s more interesting about the Air602 module is the usage of a completely …

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Teardown of an Array 3711A 300W DC Electronic Load

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I have made many electronic loads in the past. For instance this simple harddrive cooler housed small dummy load, this more sophisticated constant current/constant programmable load and this heavy-duty electronic load that is capable of sinking over 1kW under peak load. In this blog post though, I am going to take a look inside an Array 3711A DC electronic load I recently purchased …

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Distrelec adds the new Sony Spresense range to webshop

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Distrelec Ltd, leading European distributor of electronics, automation and measurement technology has added the new Spresense range by Sony, manufacturer of consumer and professional electronics, to the webshop. The Spresense is a compact development board based on Sony’s power-efficient multicore microcontroller CXD5602. Featuring an integrated GPS, high-res audio output and multi mic inputs, the board …

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