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Pocket Tester
This is a compact, lightweight component tester powered by an Arduino Nano, designed for quick and practical electronics diagnostics. It can run from either USB or a DC jack, making it flexible for both bench use and field work.
The device identifies and tests common components such as resistors, LEDs, transistors, and capacitors, with results displayed clearly on a small OLED screen. A single-button interface keeps operation simple while reducing cost and complexity, making the build affordable and easy to replicate.
It’s an ideal tool for students, hobbyists, and technicians who need a portable, low-cost way to verify electronic parts on the go.
Pocket Tester
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Raspberry Pi 5 7 Inch Touch Screen IPS 1024x600 HD LCD HDMI-compatible Display for RPI 4B 3B+ OPI 5 AIDA64 PC Secondary Screen（Without Speaker）
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