correct power adaptor

Hi Guy's I am in Australia (240v) and embarking on my first electronic project (Automated dust extraction blast gates).I do not know/understand what size power supply to run the arduino uno v3 servos etc.Below I will put a you tube link to show what I will be doing and get the program from to run it all as well as links for the gear I have coming.Many thanks for reading..... Skip to 4:31 to get to the wiring section https:////www.youtube.com/watch?v=D1JWH425o7chttps: ..... https://www.ebay.com.au/itm/UNO-2560-R3-Atmega328P-2560-16AU-Development-Board-Controller-Mainboard-AU/323483621157?ssPageName=STRK%3AMEBIDX%3AIT&var=512534369736&_trksid=p2060353.m2749.l2649 ........................................................................................... https://www.ebay.com.au/itm/PCA9685-I2C-16-Channel-12-bit-PWM-Servo-Drive-shield-For-Arduino/322978240487?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 ............................................. https://www.ebay.com.au/itm/RC-Servo-MG995-Metal-Gear-High-Speed-Torque-of-Airplane-Helicopter-Car-Boat/322737537668?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 ........................................... https://www.ebay.com.au/itm/Solid-State-Relay-Alloy-Heat-Sink-SSR-25DA-SSR-40DA-SSR-60DA-25A-40A-60A-250V/322643231587?ssPageName=STRK%3AMEBIDX%3AIT&var=511657024608&_trksid=p2060353.m2749.l2649 .......................................... https://www.ebay.com.au/itm/NEW-5A-20A-30A-Range-Current-Sensor-Module-ACS712-Sensor-Module-For-Arduino/323364110318?ssPageName=STRK%3AMEBIDX%3AIT&var=512425454026&_trksid=p2060353.m2749.l2649 .................................................. https://www.ebay.com.au/itm/NEW-5A-20A-30A-Range-Current-Sensor-Module-ACS712-Sensor-Module-For-Arduino/323364110318?ssPageName=STRK%3AMEBIDX%3AIT&var=512425454035&_trksid=p2060353.m2749.l2649 ..................................................... https://www.ebay.com.au/itm/1450Pcs-2-54-mm-Wire-Housing-Connector-Kit-Crimp-PCB-Pin-Headers-Set-For-Du-N7O5/253674214320?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 ....................................................... https://www.ebay.com.au/itm/5X-10m-Servo-Wire-Cable-22awg-Futaba-3-Pin-J9W2/253563462957?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 ................................................... https://www.ebay.com.au/itm/COLORS-1-PCS-Crimping-pliers-SN-28B-J7F5/253173420742?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 ....................................................... https://www.ebay.com.au/itm/240-Pieces-10cm-20cm-Breadboard-Jumper-Wires-Ribbon-Cables-Kit-For-Arduino-AU/283283973670?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649 ............................................................... Again many thanks and best regards

Can you please edit your post to use url tags for the URLs?

sorry I do not know how to do that and google wasn't any help either

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You need to provide more information before anyone can help.

How many servos will you need and do you want one power supply for all servos combined or do you want to power each one at the point of use?

Servos use "odd" voltages like 6V because they're optimised for battery operation in RC models. Generic power supplies are usually 5V, 9V or 12V. A 6V servo will usually be damaged by 9V. Many 6V servos will run on 5V, with reduced torque available.

Start with a 5V supply and see how you go. Pretty much any phone charger can provide the 1-2A that one servo needs. If powering multiple servos, you can under-rate your power supply a little if all servos don't move at the same time. But usually you would want to have at least 1A available per servo.