History Of Electronics
Archie And The History Of Electronics, 1990, Radio Shack. Archie and friends, in traditional 90s style, speak of the history for electronics; revolutionary devices that made calling, texting and the like possible.
Surge Protection and Lightning Arrestors
Supplementary to EMI/RFI/EMC Immunity of an Equipment. Many Installations are subject to Highly Disruptive Electrical Environment not just EMI. Depending on the budget and the situation a solution has to be found. Sometimes a CVT or an Isolation Transformer can do a lot of good.
Converting all Energy inputs to battery energy and having a Isolated Synthetic Sine Supply may be an expensive but good solution. Either way the devices that face the harsh environment have to be over rated along with these protections.
- delabs design Notes
ESD-EMI-RFIDate Reminder
Date Reminder reminds you of recurring or nonrecurring events, like birthdays, bills to pay, appointments. Run from the Startup folder, alerts.
wallabag save pages
wallabag can save and classify articles, Read later. Take wallabag everywhere. Multi Device and Multi OS. Can be setup on a budget shared hosting.
Publii Static CMS
Publii makes website creation simple and accessible, flexible and powerful options to build and manage blogs, portfolios, or documentation websites.
74HCT4067 Analog Multiplexer
An Excellent way to expand your A/D convertors I/O capability. Multiple Analog Inputs can be routed to a single Opamp or Analog Input of a uC or uP System. Use protection Zeners or clamping inputs.
Interface-CircuitsWarm White LED
A Warm White LED is great Feng Shui for a Hobbyist’s Desktop or Workshop. A DIY Table Lamp or a Lathe Lamp with these Warm LEDs create Positive Energy, for not just your Home but for the Entire Neighborhood.
This idea is in the form of riddles in Ancient Chinese Manuscripts, I hope the Yellow Emperor does not see this post.
Yellow Emperor – Known as an early inventor. He holds the patents for The South Pointing Chariot, Diadem, Football, Silks, Dyes and Grain Farming. A Musical instrument called Guqin too!
Quadzilla 4 in 1 Chip
This is a booklet published by National Semiconductor that lists many applications for their various "quad" - 4 circuits in one chip - devices.
Voltage Controlled Oscillators, up-down staircase generator, time delays, limit comparators, and so on, all made with quads containing amplifiers or comparators. Here is a new concept of not only using the advantages shown for the digital world, but the ability to use simple quad linear devices to build more complex circuits.
Quad Differential Comparator LM339
These devices consist of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible, as long as the difference between the two supplies is 2 V to 36 V, and VCC is at least 1.5 V more positive than the input common-mode voltage.
Integrated-CircuitsSafe Mail Tutanota
Tutanota Email is a Free, open-source, end-to-end encrypted email software. Desktop Clients, Apps are available for most of the OS and devices.
Mojeek search engine
Mojeek is an alternative search engine that puts the people who use it first. Mojeek Focus Dashboard for finer tuning.
Tiny Windows Apps
TinyApps store data and settings in their own folder. Most of these types work on Linux with Wine. The install size is around 1MB.
Battery care
Batteries should be shielded from Excessive Environmental Exposure. Heat, Direct Sunshine, Low Humidity, Flames, Brine, Ammonia, Alkali, Acid, Volatile Liquids. Provide an extra cover that protects and keeps battery cool and dry.
Smell of ions
When the smell of Ionized Air and Burnt plastic reaches your Nose; you need to check the Mains Plugs and Sockets of all heavy Electrical Appliances for Sparking.
Replace even if slightly tarnished. It is more so in 15A plugs and sockets driving Heaters or Motors.
The Control of engineering systems
Lab Experiments using A/D and D/A cards. PC Interface. Using Matlab, Learning PID control. DC Motor control. Hovercraft project with PWM and Fans as Actuator of control system, Uses NIDAQ Interface.
The Control of engineering systems
Tech-ReferenceElectrical Safety and tester
Mains Extension Board or Power Strip even called Surge Protector Box ... needs to have a Good earth connection. These boards have to be checked, repaired and cleaned every year. Corrosion on the Earth socket or plug or a broken internal earth connection can damage your Equipment, Computer or Appliance.
RedNotebook Journal
RedNotebook desktop journal - It lets you format, tag and search your entries. You can also add pictures, links and customizable templates, spell check your notes.
ExtraSmartwatch or SmartwatchPlus
An ideal SmartWatch is 2 inches tall by 3 inches wide. It is convertible, remove strap it is a SmartPhone, hook it to a Nickle Chain it becomes a SmartPendent. Its key capability is Streaming UHD Videos, never forget Dolby.
Backdrop CMS is like Drupal
Open source, community-developed, content management system, written in PHP, and licensed under the GNU General Public License
eCircuit Center - Spice Schematics
"The goal is a site where the learning of electronics is hands-on and fun. And the SPICE circuit simulator is a great software tool to achieve that goal. It hit me the first time I used SPICE - simulating is fun! And because it's easy to use, I've spent a lot of time building and exploring circuits." - Rick
eCircuit Center - Spice Schematics
Tech-Reference
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