UPD1002-A/MQ by Microchip Design and production,in Kunlida Electronics (HK) Co., Ltd. Spot sales,And can pass Kunlida Electronics (HK) Co., Ltd. Purchasing。UPD1002-A/MQ Price reference $ 1.800000。UPD1002-A/MQ - 。You can download Chinese information、Pin map、DatasheetData sheet function specification,In the information UPD1002-A/MQ Detailed pin diagram and function application circuit diagram voltage and usage method and tutorial