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Electronics For You
August  2019   Issue Vol. 51  No. 8 

The Benefits and Challenges of the Internet as a Service for Cloud Computing
IaaS provides high performance computing on supercomputers, computer grids or computer clusters. This helps solve complex problems involving millions of variables or calculations. Examples include earthquake and protein folding simulations, climate and weather predictions, financial modelling and product design evaluation

Make Your Own ESP8266-12E/F Module Programmer
This article describes a method for making a programmer for ESP8266-12 E/F Wi-Fi chip and also discusses the support circuitry required for real-time applications
Download source code
Make This Arduino Uno-Based Window Alarm Annunciator
Presented here is a window alarm annunciator based on Arduino Uno board. An annunciator is mainly used in process plants, power plants and industries to monitor various plant conditions to alert operators about abnormal conditions or parameter deviations. It can also be used as a security/fire alarm
Download source code
Build Your Own Low-Noise 48V Regulated Power Supply
Here is a low-ripple and low-noise 48V regulated phantom power supply for an audio preamplifier and driver. Such power supplies require well-filtered, low-ripple and low-noise output voltage with current less than 200mA. These are relatively rare and expensive. Presented here is a simple and low-cost solution suitable for many applications including test equipment and audio applications
Generate Power Using Microturbine
Presented here is the circuit that generates power from a water pipe in a building using a microturbine. The generated electricity can be used to charge batteries, which can be used for emergency lightning or other such purposes
Build Your Own Hi-Fi Stereo Audio Power Amplifier
Here is a simple hi-fi audio stereo power amplifier based on TDA2616 IC. This amplifier works on two 12V batteries or one 12V AC/DC adaptor. The circuit can deliver 2x12-watt output power for 8-ohm loads with 16V dual-power supply
Monitor Temperature with Voice Alerts
This project is based on Arduino Uno and Processing software for monitoring temperature and sending voice alerts. Processing is an open source IDE that can be used to visualise data and implement other functionalities
Download source code

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