background image

 

 

Part 

Type 

Polarity 
matters? 

Notes 

U2 - U11 

10 k

Ω

 

linear

 pot 

yes   

S1 - S8 

SPDT 

switch 

no  Unscrew the top nut, remove both 

washers for now (keep the 
knurled washer and discard the 
anti-rotation one), leave the 
bottom nut in place (tighten it 
if needed). 

LED1 - LED3 

orange LED 

yes  The short leg towards the PCB 

top edge (flat side of the 
printed circle). 

LED4 

blue LED 

yes  The short leg towards the PCB 

bottom edge (flat side of the 
printed circle). 

 
Now flip all the switches to the down position. Carefully place the 
panel on top of the PCB and wiggle it into position. This works best 
by slightly tapping the switches one by one with a long object (e.g. a 
screwdriver), until they’re all in their mounting holes. Press the 
panel into place. Once everything is snug, put washers and nuts 

Содержание ELMYRA

Страница 1: ...xperience If nothing else you ll be in possession of this wonderful machine that you likely did not possess before Unless of course this is not your first build in which case I need to tell you that y...

Страница 2: ...ottom side tighten the nut and do not use any washers The nut must be in contact with the metal film below Then solder the 4 pin SMD header to the back of the panel so that the pins point towards the...

Страница 3: ...the PCB Electrolytic capacitors have a short leg that goes on the minus side and they re also marked with a printed stripe on this side The IC has a dot that must match the notch in the socket And th...

Страница 4: ...R9 47 no R4 R6 R8 R18 4 7 k no You can substitute R18 for a lower value if you like the power LED to be brighter Or for a higher value if you like it dimmer Do not go below 50 R10 R11 R12 220 k no Yo...

Страница 5: ...attention to polarity Next solder all capacitors except for the 3 large ones C1 C2 C3 Once more polarity matters except for C7 Now solder the headers onto the PCB Break the long female header strip ap...

Страница 6: ...owards the PCB top edge flat side of the printed circle LED4 blue LED yes The short leg towards the PCB bottom edge flat side of the printed circle Now flip all the switches to the down position Caref...

Страница 7: ...ntil everything else is complete in case you need to troubleshoot Connect Panel and PCB You can now connect the panel and PCB with a 4 pin Dupont cable Check the panel and PCB images below and connect...

Страница 8: ...GND to PCB pin 4 Almost Done Connect the USB power cable and turn the device on by flipping the power switch down If everything is working the only tasks left are to put the knurled washers and nuts...

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