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Arduino UNO: Flex Sensor and LEDs

Arduino UNO: Flex Sensor and LEDs

         Arduino UNO: Flex Sensor and LEDs Using the same LED matrix as before, and swapping the Photo Resistor for a Flex (or Bend) sensor, and a slight modification to the code, I can now have a light show that can be controlled by “Bending”. I used my finger to …

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TV Remote Controlled Home Appliances Project

Introduction The project is designed to operate electrical loads using a TV remote. The remote transmits coded infrared data which is then received by a sensor interfaced to the control unit. The system operates electrical loads depending on the data transmitted from the TV remote. Operating conventional wall switches is …

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Simple USB battery charger circuit

Simple USB battery charger

                  Simple USB battery charger Introduction By using this circuit we can charge nickel – cadmium battery through USB port available in computer. Here the DC supply voltage (5volt) taken from USB port (Red wire +5V and Black wire GND), the green LED connected with R1 resistor is to indicate …

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Know before soldering

soldering

                              Soldering Soldering is one of the basic skills needed for to test and assemble electronic circuits. Every electronic component has some terminals to conduct bias and also to hold that component on circuit board. Before …

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Arduino Internal temperature sensor

Internal temperature sensor

                 Internal temperature sensor Introduction Most AVR chips (microcontrollers) have an internal temperature sensor, hence we can use this option to get temperature range in rare condition, this might show higher than external temperature. List of AVR microcontrollers having internal temperature sensor given, …

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Arduino universal remote

Arduino universal remote

                     Arduino universal remote Introduction By using arduino and IR Receiver TSOP 1738 (in our project, you can use any ir receiver available) we can decode any infrared remote code into hex or some other format. Before constructing the circuit check datasheet of IR receiver having in your hand, hence …

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Solar power mobile charger circuit

Solar power mobile charger

            Solar power mobile charger Introduction This circuit helps you to charge your mobile phone battery and also some rechargeable battery with solar energy, before trying this circuit take extra care in battery polarity and current rating, if anything goes wrong the battery might explode. Circuit Construction Here the circuit …

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How the USB works?

How the USB works?

                           How the USB works? Symbol of USB What is USB? USB refers to universal serial bus. The easy way to connect peripherals with computer, laptop etc..,  USB port can connect maximum of 127 using a hub or daisy chaining. Computer USB port caries 5 volt power supply, hence we …

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Bypass Diodes in Solar Panels

                   Bypass Diodes in Solar Panels Bypass Diodes which in electronics we know as free-wheeling diodes, are wired in parallel with individual solar cells or panels, to provide a current path around them in the event that a cell or panel becomes faulty or open-circuited. This allows a series (called …

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