Using A Bench Power Supply To Charge Lithium Ion Batteries
David Jones has another useful video tutorial about how to safely charge Lithium Ion and Lithium Polymer batteries with a bench power supply. The purpose of this tutorial is to learn how to use your lab power supply to charge your Lithium Ion battery when you don’t have a special...
Continue ReadingExploring Eagle CAD ULPs #2 – ‘Unrouted.ULP’ Zoom To The Last Left unrouted Wire
Welcome to the second post of the “Exploring Eagle CAD ULPs” series. Every week we will publish a new post about one useful ULP in Eagle CAD. “ULP” User Language Program is a plain text file which is written in a C-like syntax and can be used to access the EAGLE data...
Continue ReadingTools for the Electronics Hobbyist Part 1- Graphical Components Tester
When I started to deal with Chinese electronics suppliers from websites like Alibaba, Aliexpress and 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...
Continue ReadingOEMsecrets.com – Electronic Component Suppliers Price Comparison Search Engine
There are a number of electronic component search engines in the industry, but finding the best price can often be time intensive. Quite often purchasers are simply looking to locate the most competitive price from suppliers and fast! OEMsecrets has launched the first price...
Continue ReadingHall sensors consume no more than 1.6 mA
Comprising both switch and latch types, the TLx496x series of Hall sensors from Infineon offers precise switching points, stable operation, and low power consumption. At 1.6 mA, the devices consume 50% less power than comparable products, and the 5-V versions consume just 1.4 mA. by @...
Continue ReadingPhotovoltaic simulator system adds automated MPPT Efficiency Test
An added test facility enables test of a 1,500V photovoltaic (solar energy) inverter’s static and dynamic maximum peak power tracking (MPPT) according to European Standard EN50530, with a single command, creating downloadable photovoltaic I-V curves, plus static and dynamic EN50530...
Continue ReadingTouch Weather Station using a DHT22 Sensor and a Raspberry Pi 3 with TKInter
educ8s.tv tests the new Raspberry Pi 3 board, by building a simple but useful project. A few months back, the Raspberry Pi 3 board was released. It is a great new board because it now offers WiFi and Bluetooth connectivity out of the box! It uses a quad core processor which operates...
Continue ReadingA miniature persistence-of-vision board
axio.ms published an update of the board and firmware of their SMD POV display. This device is simply 8 bright SMD LEDs and an AVR uC and makes use of the Persistence of Vision effect. You wave it about, and it writes messages in the air, with no wires, liquids or unpleasant bending!...
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