Electronics

Home Automation using Arduino UNO

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In this post we will be designing home automation using Arduino UNO and IR remote control device. Components Required Arduino UNO board TSOP 1738 IR Remote Control Receiver 1 KΩ Resistor X 4 2N2222 NPN Transistor X 4 1N4007 Diode X 4 12 V Relay X 4 – relay board Remote Control Prototyping board (Bread […]

How-To

How to set-up Wireless on your Raspberry Pi

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Step 1: Configuring WLAN Connection Connect you USB Wifi adapter to your Raspberry Pi. Also, ensure that you are already connected to Ethernet cable. Boot your Pi int GUI and open the terminal window. Either directly on the Pi or through SSH. Next, check that the USB dongle is detected by your Raspberry Pi – […]

Electronics

Time delay relay circuit

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What is a time delay relay circuit? In a time delay relay circuit, relay contacts are closed or open after the preset time interval. Whereas in a normal relay contacts are open/closed immediately when coil is energized. It prevents the damaging effect of voltage spikes or input surge current by delaying the relay on/off. Schematic […]

Electronics

1 Watt audio amplifier for Mobile device

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About LM4890 1 Watt audio amplifier for mobile device has been designed using LM4890 power amplifier. LM4890 is primarily designed for mobile phones and other portable devices. It is capable of delivering 1 watt of continuous average power to an 8 ohm load from 5v power supply. It has a distortion of less than 1%. […]

Electronics

Real time clock with DS1302

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Real time clock with DS1302 is designed using Arduino Uno. About DS1302 The DS1302 is a trickle-charge timekeeping chip containing a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. DS1302 requires only […]

How-To

How to Install Linux Bash shell on Windows 10

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Latest windows update allows you to have a full Ubuntu-based Bash shell. This allows you to run the Bash shell and the exact same binaries that you would normally run on Ubuntu Linux. To get started with bash make sure you are using correct version of Windows. We would need Windows 10 creators update and […]

Electronics

Seven segment display counter

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A seven segment display is typically used to display numbers from 0-9. It consists of 7 bar segments and a dot( 8 Segments). They are numbered A to F and DP for the dot or decimal place. There are 2 types of 7 Segment display Common anode Common cathode   Seven Segments are labelled as below. […]