identifiying dot matrix

[Transistorman]

hi

my order just come yesterday

i just notice that there were some parts that has no datasheet

here is one part :

HS-2088A/BX LED Dot Matrix

**broken link removed**

1) Sizes available: 8 X 8 , 2.3"
2) Color: Red, green, yellow, blue, orange

can anyone help find the same component or internal circuit ?

 

[Nigel Goodwin]

A simple battery and a resistor will soon allow you to identify the connections.

 

[Transistorman]

A simple battery and a resistor will soon allow you to identify the connections.

i afraid that there will be happen somekind of shorting

if the connection were like this + line = GND , - line = GND

 

[LTX71CM]

Datasheet -> https://www.electro-tech-online.com/custompdfs/2010/09/200782919162999.pdf

 

[Nigel Goodwin]

i afraid that there will be happen somekind of shorting

if the connection were like this + line = GND , - line = GND

As you're using a battery AND a resistor, it wouldn't matter is there was a short.

 

[Transistorman]

As you're using a battery AND a resistor, it wouldn't matter is there was a short.

ok , i will try

 

[Transistorman]

As you're using a battery AND a resistor, it wouldn't matter is there was a short.

just curious

is there is a way to use multimeter ?

 

[LTX71CM]

Depends on the LED, diode test functions don't typically have the voltage to test LEDs. Did you see the datasheet above?

 

[Transistorman]

Datasheet -> https://www.electro-tech-online.com/custompdfs/2010/09/200782919162999-1.pdf

but mine is a bi - colour

HS-2088DEG

can you help find it ?

 

[Nigel Goodwin]

just curious

is there is a way to use multimeter ?

Yes, but a battery and resistor is MUCH more useful and helpful - it actually shows you whoch LED you're connected to. There seems little point in finding out which pins are connected to a completely unknown LED.