Home.md
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- [[sensor-dat]] - [[sensor-touch-dat]] - [[sensor-temperature-dat]] - [[sensor-temp-hum-dat]] - [[sensor-bio-dat]] - [[sensor-soil-dat]]
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-- [[acturator-dat]] - [[motor-dat]] - [[motor-driver-dat]] - [[SCR-dat]] - [[thyristor-dat]]
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+- [[acturator-dat]] - [[motor-dat]] - [[motor-driver-dat]] - [[SCR-dat]] - [[thyristor-dat]] - [[buzzer-dat]]
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- [[power-dat]] - [[ldo-dat]] - [[dcdc-down-dat]] - [[battery-pack-dat]] - [[dcdc-boost-dat]] - [[acdc-dat]] - [[ac-mains-dat]]
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SDK-dat/arduino-dat/arduino-dat.md
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- legacy wiki page - https://w.electrodragon.com/w/Category:Arduino
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-- [[arduino-boards-dat]] - [[arduino-ide-dat]] - [[arduino-lib-dat]]
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+- [[arduino-boards-dat]]
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+
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+- [[arduino-ide-dat]] - [[arduino-lib-dat]]
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- [[arduino-programmer-dat]]
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Tech-dat/acturator-dat/buzzer-dat/buzzer-dat.md
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# buzzer-dat
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-- [[wave-dat]]
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+- [[wave-dat]] - [[audio-dat]]
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+- [[buzzer-mems-dat]]
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+## boards
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active buzzer - [[SSL1019-dat]]
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- [[SCU1080-dat]]
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## Types of Buzzers
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### Active Buzzer
Tech-dat/acturator-dat/buzzer-dat/buzzer-mems-dat/2026-02-11-17-03-30.png
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Tech-dat/acturator-dat/buzzer-dat/buzzer-mems-dat/buzzer-mems-dat.md
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+# buzzer-mems-dat
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+SMD402 微型电磁式无源蜂鸣器4mm*3mm*2mm DET402 高颜值
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+![](2026-02-11-17-04-23.png)
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+![](2026-02-11-17-03-30.png)
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+![](2026-02-11-17-03-43.png)
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+![](2026-02-11-17-03-54.png)
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+## ref
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+- [[buzzer-dat]] - [[buzzer-mems-dat]]
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Tech-dat/acturator-dat/buzzer-dat/wave-dat/wave-dat.md
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-# wave-dat
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-common hearing == 2.7k square wave
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-## ref
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-- [[buzzer-dat]]
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Tech-dat/audio-dat/audio-dat.md
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# audio-dat
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-- [[mp3-dat]] - [[wav-dat]] - [[mp3-decoder-dat]]
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+- [[mp3-dat]] - [[wav-dat]] - [[mp3-decoder-dat]] - [[wave-dat]]
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- [[amplifier-dat]] - [[dac-dat]] - [[amplifier-audio-dat]]
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Tech-dat/audio-dat/wave-dat/wave-dat.md
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+# wave-dat
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+common hearing == 2.7k square wave
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+## ref
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+- [[buzzer-dat]]
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board-series-dat/arduino-boards-dat/arduino-pro-mini-dat/arduino-pro-mini-dat.md
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![](2025-11-15-17-21-59.png)
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+技术参数：
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+- 1. 14个数字输入/输出端口RX，TX，D2~D13,
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+- 2. 8个模拟输入端口A0~A7
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+- 3. 1对TTL电平串口收发端口RX/TX
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+- 4. 6个PWM端口,D3, D5, D6, D9, D10, D115．采用Atmel Atmega328P-AU单片机
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+- 6. 支持串口下载
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+- 7. 支持外接3.3V~12V直流电源供电8．支持9V电池供电
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+- 9. 时钟频率16MHz
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+- 10. 尺寸:33.3*18.0 (mm)
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+![](2026-02-11-17-01-27.png)
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## boards
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