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πŸ”§ 였늘의 메이킹 ν”„λ‘œμ νŠΈ (6/27)

πŸ”§ 였늘의 메이킹 ν”„λ‘œμ νŠΈ (6/27)

πŸ–¨οΈ Amply β€” $10 μ˜€ν”ˆμ†ŒμŠ€ Class AB λΈ”λ£¨νˆ¬μŠ€ μ•°ν”„. NE5532 op-amp + Sziklai pair 좜λ ₯단, THD 0.015% 미만, USB-C PD 전원. PCBΒ·νšŒλ‘œλ„Β·3D ν”„λ¦°νŒ… μΌ€μ΄μŠ€ STL λͺ¨λ‘ GitHub 곡개 β†’ https://github.com/T76-org/amply

πŸ•ΉοΈ ESP32 + TPA3116D2 ν•˜μ΄νŒŒμ΄ 슀트리밍 μ‹œμŠ€ν…œ β€” ESP32 + PCM5102 DAC + TPA3116D2 (2Γ—50W Class-D). λΈ”λ£¨νˆ¬μŠ€ A2DP μˆ˜μ‹ /WiFi 인터넷 λΌλ””μ˜€/SD μΉ΄λ“œ MP3 3κ°€μ§€ λͺ¨λ“œ 지원, arduino-audio-tools 기반 β†’ https://www.makerguides.com/high-power-esp32-audio-with-tpa3116d2-and-pcm5102/

πŸŽ›οΈ TPA3221 100W μŠ€ν…Œλ ˆμ˜€ Class-D DIY β€” 100W/ch @4Ξ©, 0.02% THD+N, >108dB SNR, >90% 효율. 4μΈ΅ PCB 71Γ—62mm, EasyEDA 섀계, JLCPCB μ œμž‘. ν”Όλ“œλ°± λ³΄μƒμœΌλ‘œ 좜λ ₯ ν•„ν„° μ™œκ³‘ μ‹€μ‹œκ°„ 보정 β†’ https://www.hackster.io/sainisagar7294/i-built-a-100w-stereo-class-d-amplifier-using-tpa3221-b537d3


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