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In 1969, Nippon Calculating Machine Corporation approached Intel to design 12 custom chips for its new Busicom 141-PF printing calculator. Intel engineers suggested a family of just four chips, including one that could be programmed for use in a variety of products, setting in motion an engineering feat that dramatically altered the course of electronics....
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Some ADCs in the market allow you to read differential voltage. How is this different from single ended voltage? Single ended voltage is the potential difference between a node and ground. Differential voltage is the potential difference between two nodes. A use case of measuring differential voltage is to measure the current flowing in a...
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I always run into a problem attaching a shared folder to my Ubuntu virtual box machine. This is what works for me. 1. Make sure you have the latest version of guest additions installed. 2. Add a shared folder using the virtual box menu and auto mount it 3. Turn on the virtual machine. Browse to...
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These instructions are to use an SD card as extra storage on your beaglebone black. The beaglebone boots from internal memory and has micro SD card available for storage. I used a Ubuntu operating system (running inside Virtual Box) to format the SD card and create the uEnv.txt file that tells the BBB not to...
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Host machine running Windows 7 VB machine running Ubuntu Task at hand: Increase disk space of VB machine1. Open up command prompt in host machine Navigate to C:\Program Files\Oracle\VirtualBox Type the following command: VBoxManage modifyhd “C:/PATH/VB_HARD_DISK.vdi” –resize SIZE_IN_MB  (Ref: http://askubuntu.com/questions/88647/how-do-i-increase-the-hard-disk-size-of-the-virtual-machine) 2. New hard drive space will be unallocated and has to be merged into the original hard disk....
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In Non-Engineering Speak The following post explains a communication protocol used to transfer data between two devices synchronously. Data is transferred serially, which means one bit at a time. Due to its special design, at a particular time, as a device is transmitting a particular bit, it also receives a bit from the other device....
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