24 LED Modulated and Un-modulated Phototherapy Light Wand

Parts List

1 Each LED module DIGI-KEY 67-1589-ND $5.43

1 Each 91 ohm, 1W, 5% resistor Mouser 294-91 $0.05

1 Each 14VDC, 360ma Power Supply All Electronics DCTX-1436 $3.50

1 Each DC Jack 5.5/2.5 Radio Shack 2741576 $1.69

1 Each custom-printed circuit board (price varies depending on quantities)

1 Each 1”x6” SCH 80 Nipple Local plumbing store $1.09

1 Each 1” PVC T Cap Local plumbing store $1.62

1 Each 78L09 Regulator Mouser 511-L78L09ACZ $0.28

1 Each TS555 Timer Mouser 511-TS555CN $0.40

1 Each 2N6660 MOSFET (Substitute 2N7000 Mouser 512-2N7000 $0.12)

3 Each 0.1uF, 50V, 10% Ceramic Capacitor Mouser 75-1C10X7R104K050B #0.14

1 Each 0.01 uF, 50V, 10% Ceramic Capacitor Mouser 75-1C10X7R103K050B $0.14

1 Each 1 Meg, 1%, 1/8w Metal Film Resistor Mouser 270-1.0M $0.11

1 Each 4.99K, 1%, 1/8w Metal Film Resistor Mouser 270-4.99K $0.11

1 Each 140 ohms, 1%, 1/8w Metal Film Resistor Mouser 270-140 $0.11

1 Each SPST Slide Switch Mouser 611-ES01MCKE $3.50

Miscellaneous: #22 AWG hookup wire, Solder, Epoxy

[Prices are from 2005.]

Completed Modulated and Un-modulated 24 LED Sub-assembly

Modulated and unmodulated 24 LED Sub-assembly

These devices were designed for research purposes only. Walter makes no claims as to its efficacy and no recommendations regarding its use.