LM3914V/NOPB by Texas Instruments(TI) Design and production,in Hong Kong QX Electronics Limited Spot sales,And can pass Hong Kong QX Electronics Limited Purchasing。LM3914V/NOPB Price reference $ 4.410000。LM3914V/NOPB - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information LM3914V/NOPB Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial