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Handy Tester

Handy Tester

C

B

E

RED

(ANODE)

GREEN

(ANODE)

CATHODE

+

T1

BC548

R3

4.7K

D1

1N4001

RED PROBE (+)

BLACK PROBE (-)

C1

16V

RED

9V

BATT.

S1

ON/OFF

SWITCH

T2

BC548

R2

1.5K

R1

1.8K

GREEN

LED1

BI-COLOUR

LED

CATHODE

BI-COLOUR LED

FRONT

VIEW

Handy Tester

0
0
0
publish time: 2020-09-22
Kiraaaa

For starters, this is a low-cost multi-function tester that can be used to test almost all electronic components from resistors to ICs. It uses only some components, but it can also detect polarity, continuity, logic state, etc.

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