Fingerprint Sensor AS608 - A Beginner's Guide
One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan.
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4-Channel 18650 Battery Holder Protection Board
The 4-Channel 18650 Battery Holder Protection Board is designed to securely hold up to four 18650 rechargeable lithium-ion batteries in a compact arrangement. It provides a convenient battery housing solution for projects that require multiple 18650 cells and helps keep the batteries properly positioned during use.
The holder is suitable for DIY electronics, robotics, portable power projects, LED applications, and other battery-powered devices. Its compact design makes it practical for prototyping and custom electronic projects.
Key Features:
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Designed for up to 4 × 18650 batteries
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Secure battery holder design
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Compact and practical for DIY projects
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Suitable for rechargeable 18650 lithium-ion cells
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Easy to integrate into custom electronic circuits
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Ideal for battery-powered applications
Common Applications:
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Arduino and microcontroller projects
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Robotics and DIY electronics
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Portable power systems
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LED lighting projects
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Battery-powered devices
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Electronics prototyping and experimentation
FAQ
Will this ship from Manila?
Yes — all stock ships from our Quezon City warehouse. Order before 4 PM weekdays for same-day cutoff via J&T or LBC.
Do you ship nationwide?
Yes. Metro Manila usually arrives next-day; provincial 1–3 working days.
Can I get this on a school PO or class order?
Yes — we accept Purchase Orders from accredited schools and universities. Contact us with your PO details and we'll process it.
Is this compatible with Arduino, ESP32, or Raspberry Pi?
Most parts work with common maker boards — check the description for specific pinout / voltage notes. If you're unsure, send us a message before ordering.
What's your return policy?
7-day inspection window for DOA units. Email proof of issue and we'll ship a replacement or refund. Used / installed parts are not returnable unless faulty.
Do you offer technical support?
Yes — questions land on our forum or via email, weekday or weekend. We've actually wired up most of what we sell.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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