1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
Special Features
- This is a logic test pen 5v 3.3v. You can measure the liquid level without using a multimeter
- Medium size, suitable for handheld use; Elastic probe for easy measurement
- DuPont wired power supply, development board, and learning board essential tools
- There are three status displays: high/low level, and high resistance (disconnected)
- High and low levels (when VCC=5V):Red light (high level) - above 2.4V,Green light (low level) – lower 06V,Blue light - 0.6-2.4V or disconnected
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