DIY Simple Home Made Adjustable DC Volt-Amp power controller circuit Using LM317 | BD139 | TIP2N3055
In this video, I demonstrate how to build an adjustable DC Voltage and Current (Volt-Amp) Power Controller using the LM317 voltage regulator, BD139 transistor, and TIP2N3055 power transistor. ✅ Adjustable Output Voltage ✅ Adjustable Current Control ✅ High Current Output with TIP2N3055 ✅ Short Circuit & Overload Protection Features ✅ Suitable for DIY Bench Power Supply Projects This circuit is ideal for electronics hobbyists, students, and engineers who need a variable DC power supply for testing and experimentation. Components Used: LM317 Adjustable Voltage Regulator BD139 NPN Transistor TIP2N3055 Power Transistor 10k, 47k Potentiometers 220 ohm Resistors Heat Sink Transformer & Rectifier Circuit Download Link circuit diagram »» https://drive.google.com/drive/folder... 📌 Like, Share & Subscribe for more Electronics and DIY Projects. Music: TheFatRat & JJD - Prelude (VIP Edit) Watch the official music video: https://tinyurl.com/tfrpreludeVIP Music: TheFatRat - Jackpot Watch the official music video: https://tinyurl.com/tfrjackpot Listen to Jackpot: https://thefatrat.ffm.to/jackpot Music: TheFatRat - Windfall Watch the official music video: https://tinyurl.com/tfrwindfall Listen to Windfall: https://thefatrat.ffm.to/windfall Follow TheFatRat: https://ffm.bio/thefatrat #LM317 #TIP2N3055 #BD139 #PowerSupply #VariablePowerSupply #DCPowerSupply #ElectronicsProject #DIYElectronics #VoltageRegulator #CurrentController #ElectronicsCircuit #BenchPowerSupply
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