M328 Multi-Function Transistor Tester & Component Analyzer (Arduino)
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Prices updated: 12 Oct 2026
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About this product
Arduino-based multi-function tester that identifies and measures transistors, MOSFETs, JFETs, diodes, thyristors/triacs, resistors, capacitors and inductors through a ZIF test socket. It displays parameters such as hFE, Vbe, Vgs(th), gate capacitance, ESR and forward voltage on a 16x2 backlit LCD. It also includes a square-wave generator, a PWM generator and a frequency meter.
Specifications
- Platform
- Arduino-based (ATmega328)
- Display
- 16×2 LCD with backlight
- Test socket
- ZIF socket
- Square-wave generator
- 1 Hz to 2 MHz
- PWM generator
- 1% to 99%
- Power
- 9 V battery (not included)
- Detectable components
- NPN/PNP, MOSFET, JFET, diodes, R, C, L, thyristors/triacs
Frequently asked questions
Should I remove a component from the circuit before testing it?
Yes. Other components connected in parallel can distort the readings, so remove the part from the circuit before testing.
What power does the tester need?
It is powered by a 9V battery, which is not included. Use a fresh 9V battery for stable readings.
