{"product_id":"over-current-alarm-with-15-segment-bar-graph-display","title":"Over Current Alarm with 15 Segment Bar-Graph Display","description":"\u003cp\u003eThis Bar-Graph Display provides a high visibility\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15-Segment Bar-Graph display\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor current measurements. A buzzer provides audible sound when an over-current condition event occurs. The 15 segments are made with Red, Blue, Green, and yellow color LEDS. All LEDs are SMD size\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1206\u003c\/strong\u003e. This tiny board can display\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0 to 2A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecurrent and provide an Alarm sound when the current level goes more than 2A. The project is Arduino-compatible and is based on an ATMEGA328 chip.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eINA198\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003echip measures the load current across the shunt resistor and provides an output voltage to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eADC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof ATMEGA328. The microcontroller drives and controls the 15 LEDs connected to I\/O lines.\u003c\/p\u003e\n\u003cp\u003eThe project is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eArduino-compatible\u003c\/strong\u003e. Connectors CN2 and CN3 are provided for Arduino programming and boot-loader. An example Arduino code is available as a download. Users may modify and write their code. Refer to the diagrams below for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBootloader\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand Arduino programming connection. Each LED display consumes approx.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e125mA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecurrent and the ADC Map values to 15Leds + Buzzer.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower 5V DC\u003c\/li\u003e\n\u003cli\u003e15 Bar-Graph LEDs (Red. Green, Blue, Yellow Colour)\u003c\/li\u003e\n\u003cli\u003eBuzzer for Over Current\u003c\/li\u003e\n\u003cli\u003eINA198 Current to Voltage Converter Chip\u003c\/li\u003e\n\u003cli\u003eArduino Compatible Project\u003c\/li\u003e\n\u003cli\u003eHeader Connector for Current Measurement\u003c\/li\u003e\n\u003cli\u003eHeader Connector for Arduino Programming and Bootloader\u003c\/li\u003e\n\u003cli\u003ePCB Dimensions 59.37 x 19.84mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"dotfry","offers":[{"title":"Default Title","offer_id":47072439664812,"sku":null,"price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/6436\/7532\/files\/S109_1.jpg?v=1787833889","url":"https:\/\/dotfry.com\/products\/over-current-alarm-with-15-segment-bar-graph-display","provider":"dotfry","version":"1.0","type":"link"}