74HC139 is a Dual 2 to 4 line decoder/demultiplexer – In 16-DIP Package.
Step Down Charge Module XL4015 5A Adjustable Power CC/CV with Display
1 × EGP250.00
Trimmer Potentiometer 5k ohm
1 × EGP3.00
AC-DC Module 3W 220Vac to 5Vdc (HLK-PM01)
1 × EGP175.00
7414 (Hex Schmitt-trigger Inverters)
1 × EGP15.00
Laser Module 10mW 532nm Dot Shape – Green Color
1 × EGP475.00 Subtotal: EGP918.00
74HC139 is a Dual 2 to 4 line decoder/demultiplexer – In 16-DIP Package.

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