@dangsytuan: 🔊 DIY 5V Audio Amplifier Project 🔊 Built a compact audio amplifier using an operational amplifier (op-amp) and a custom PCB board. This simple 5V-powered circuit delivers clear sound quality while keeping the design low-cost and beginner-friendly. ✅ 5V Power Supply ✅ Custom PCB Design ✅ Op-Amp Based Amplifier ✅ Easy DIY Electronics Project ✅ Perfect for Small Speaker Applications What electronics project should I build next? #Electronics #AudioAmplifier #DIYElectronics #PCBDesign #OpAmp