AC to DC -/+ convertor . +/- PSU for use with power pack. Simple and easy to build. Good Luck!

Step 1:

Print this schematic for use .

-PSUschematic.pdf
Download

Step 2: Parts

1X LM7815 POSITIVE VOLTAGE REGULATOR
1X LM7915 NEGATIVE VOLTAGE REGULATOR
2X 1000 MF CAPACITORS
4X 100 NF CAPACITORS
2X 470 MF CAPACITORS
2X 1N4001 DIODE

PROTOBOARD
WIRE
For LED
1X LED
1X 2K2 RESISTOR

Step 3: STEP1

AC PINS AND D1 AND D2
CONNECT D1 TO AC PIN 1 - CONNECT D2 TO AC PIN1 AND D2.

Step 4: STEP2

SOLDER C1 THEN C2 - NOTE THE POLARITY OF THE CAPACITORS
SOLDER THE NEG LEAD OF C1 TO THE POSITIVE LEAD OF C2 , SOLDER IT THEN TO AC PIN 2 - THIS IS NOW THE GND POINT .

Step 5: STEP 3

SOLDER IC1 AND IC2 THE POWER REGULATORS - NOTE THE PIN-OUTS
- THEN ADD C3 AND C4

Step 6: STEP4

NOW ADD THE REST OF THE CAPS C5 C6 C7 C8

Step 7: STEP 5

ADD THE LED - OPTIONAL BUT GOOD TO KNOW IF THE POWERS ON
ADD THE OUT PINS TOP- V+ ,MIDDLE GND , BOTTOM V-

Step 8: FINISH

WIRE PSU JACK TO THE AC PINS , WIRE +/- PINS OFF TO MODULE / DEVICE .
PLUG IN 15V POWER PACK . 500MA IS GOOD FOR UP TO 3 MODULES DEPENDING ON SIZE ANY MORE YOU WILL NEED A LARGER CURRENT , 1000MA FOR ANY MORE.