Logic Tester Pen Level Tester 5V 3.3V Digital Circuit Debugger Learning Board
ab 2,76 €
Logic Test Pen x1. High and low level (when VCC=5V) Tri-state display: high, low level, high impedance (disconnected). Green light (low level) - below 0.6V. Red light (high level) - above 2.4V. Function: level test.
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