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dimeio of some electronic componentsperhaps this will be useful to someone in mastering electronicsdisplay 1602; 2004clockarduino unotermo dht11POWER dc/dc chargeESP8266GPSbuttoHC-SR04DC-DC XL6009E1JOYSTICKvariable resistorGSM sim900acameraLEDsMOTOOOFFHL-52SHW-095VmeterACCUMSRFID-RC522plato 90x70keyboardtouchpadbrushless DC pump0.91" Blue OLED DisplayDC-DC step-upXH-M401display 2004input momklemnikiUSB charger 6-26v 5.2v 3AESP ZY8266MODXH-A158hw_104esp8266modsound_module