A simple LED tester that you should have at hand in your labDesigned by octal in France
** *LED tester v1.1 has been replaced with v2.0, so all customers will receive a v2.0 LED tester. * This version added an onboard battery test, and 4 x 3M holes to make it easy to screw the tester...Read More…
*LED tester v1.0 has been replaced with v1.1, so all customers will receive a v1.1 LED tester. *
This is a simple, yet powerful LED tester. It let you test through hole and SMD LED and check the luminosity, their color, and mainly their pinout.
I'm a hacker, and I develop and create new projects from scratch. When I'm at assembling the project, I usually have problem with SMD LED. I buy them mainly from ebay and thus don't have any datasheet for them. The problem with those "chineese" LEDs is that there is no real and trusted specifications. You got what's in the drawer of the seller :) I have had problems with:
When dealing with through hole LEDs it's easy to test using a simple in series resistor and a small battery, but when you need to check an SMD 0402 LED, it's simply impossible.
This LED tester provides the pads for the most LED sizes (1206, 0805, 0603, 0402), for through hole LED (suitable for any size), and it adds a set of two big pads that let you use it for almost any other LED size or kind.
This devices solved my problems with LEDs and I want to share it with other hackers.
I'm reworking a new version of my website, and I'll share all schematics and gerber files for users willing to build their own.
Note: the LED tester will be sold without the battery because of the international postal laws about batteries.
April 2020 - Version 2.0 - This version added an onboard battery test, and 4 x 3M holes to make it easy to screw the tester to a casing or to a testbench.
Dec 2017 - Version 1.1 - this version adds a connector to let you use an external power supply instead of the onboard battery (in order to test power hungry LEDs). Be careful, when using the external power supply you MUST remove onboard battery!!!
Sept 2017 - Version 1.0 Initial version of LED tester.
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Stephen | Sept. 13, 2018
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