Mechanical Dimensions of the RGB LED PCB
C o m p u t e r I n s p i r a t i o n s
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A s s e m b l y & Te c h n i c a l M a n u a l
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Page 1: ...RGB MR 16 LED PCB ASSEMBLY INSTRUCTIONS TECHNICAL MANUAL Thursday 5 May 2011 COMPUTER inspirations Our Products are Inspired Computer Inspirations Georgetown ON Canada www c inspirations com...
Page 2: ...LEDs For a 20mA current in each LED string the appropriate resistor value for each set of three LEDs R is calculated from R 50 Vb 3Vf For this example Vb 8V so the resistor value would be 50 8 6 100...
Page 3: ...e Blue resistors are located 2 120 LED resistors where the Green Grn resistors are located 6 5mm red LEDs as marked Important notch goes to the left as shown 6 5mm blue LEDs as marked Important notch...
Page 4: ...ed Connect one wire to the LED 12V common C power supply as marked Assembling the PCB with 9 LEDs Please purchase the following parts 1 3 Suitably valued W resistors 1 70mm x 3 20mm size through hole...
Page 5: ...ts of three series LEDs Ensure all the LEDs on the board light up when power is ap plied 3 Trouble shooting If any LEDs don t light check the following a Are the required jumpers in place b Have all t...
Page 6: ...string Neither J3 nor R6 should be installed in this configuration J1 J2 Installed for a single colour LED populated in all positions These jumpers tie together all the LED series to be grounded from...
Page 7: ...Pr is the resistor s maximum power rating W and Vf is the LED s forward voltage Usually this equation is dominated by the red LEDs current limiting resistance since they have the lowest Vf and conseq...
Page 8: ...Mechanical Dimensions of the RGB LED PCB C omp ute r I nspirations Assembly Technical Man ual 7...
