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✅ Compact 4-pin module with digital & analog output
✅ Adjustable sensitivity for varied flame sizes
✅ Compatible with Arduino, Raspberry Pi, and similar boards
✅ Fast and reliable flame detection
High RPM (~12000 at 5V) for dynamic mechanical tasks
Based on CN3065 charge controller IC
Designed for single-cell LiPo battery charging
Solar panel input: 4.4V–6V
Max charging current: 500mA
Supports Micro-USB & solar input
JST-PH2.0 connectors for easy wiring
Battery status LEDs: Red (Charging), Green (Charged)
Built-in short circuit protection
Compact size, ideal for portable solar projects
Randomly shipped in HW-736 or equivalent version
5V DC operating voltage – plug-and-play functionality
Active buzzer with built-in oscillator – no signal required
Produces continuous tone at ~2.5 kHz frequency
Sound level: ~85 dB at 10 cm
Low current consumption – less than 30mA
Compact and lightweight – easy to mount on PCBs or breadboards
Ideal for alarms, alerts, and audio notifications
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