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1 X DC-DC Step Down Buck Module Lm2596HV
suitable for most devices supporting USB port
128 bytes of EEPROM Data Memory
key-value upload
Bd139 Npn Transistor AFE4403 1 X DC-DC Step DownBD139 is a popular NPN transistor used in wide variety of electronic circuits, due to its high collector current and low cost it is an ideal transistor to be used in educational electronic projects and also in commercial electronics. It can drive loads upto 1. 5A which is a good feature due to which you can drive many high current components such as high power LEDs, high current relays, motors etc. The collector emitter and collector base voltage is
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