Arduino battery level monitor using 15 leds (1.5V or 1.2v battery)

I am here with new project call battery level monitor, Project is Arduino compatible and display battery level using 15  LED’s bars, Arduino code is return to test the 1.5V battery however 1.2V alkaline battery also can be check. The circuit provides 0.1V resolution , means each LED’s display 0.1V.  Project required 5V supply. Note : This Arduino compatible project

Read more

Arduino stair led light using 10 ledS 2 tactile switches

I have tested simple concept stair LED light. project contains, Arduino Nano, 10X1W LEDs, 2 Tactile switches.  Arduino code can be downloaded using link, its modified code  from original code.  I have tested this project  with 10 LEDs, number of LEDs can be increase as per requirment and available pins on arduino, Arduino Mega provides liberty to use many pins

Read more

Arduino Compatible 4 Digit 7 Segment Display Counter (0000-9999)

4 Digit Arduino based counter is simple project using 4-digit 7 segment common cathode display, Atmega328 chip on board and 2 tactile switches. Projects works with 5V DC. Onboard connector helps to program the Arduino code and boot-loader. Other Details, Schematic, PCB Layout Available Here Download Arduino Code Download PDF Schematic Arduino Pin Configuration Display Digit1>D10,Digit2>D11, Digit3>D12, Digit4>D13 Segments A>D2, B>D3,

Read more

Arduino 4 Digit 7 Segment Multiplexed Display Board Using ATmega328 Chip

Tiny 4 Digit 7 Segment Arduino compatible display module  to create  display related projects like, counter, timer, thermometer, games, voltmeter, current meter, light meter,  and other projects required 4 digit display,   on board connector provided to program the Arduino boot-loader and Arduino code using Arduino IDE. Circuit works with 5V DC. Features Supply 5V DC 4 Digit 7 Segment

Read more

EMI filter circuit using common mode inductors and capacitors

Circuit published here is a dual stage EMI filter. EMI Filters are widely used in applications such as Appliances, Military systems, Aerospace systems , SMPS, VFD drives, AC Servo drives,  Energy Management Systems, Computers, Factory Automation Equipment, Industrial Equipment, Medical Equipment, Automotive Battery Charger. The EMI circuit normally consists of passive components, including capacitors and common mode inductors, connected together

Read more
1 2 3 4 5 57