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XC3754 Soldering Guide 

 

When preparing the iron, and it is 
sufficiently hot enough to melt 
solder, you want to touch the solder 
onto the iron itself, so that the 
solder and flux 

(a component of the 

solder responsible for keeping the 
joint clean and flowy)

 cleans any 

rust or dirt off the tip of the iron.  

When the solder is on the iron, you 
need to remove it so you are left 
with a simple clean and shiny 
soldering iron tip. 

You can either 

wipe

 onto a damp 

sponge or rag, or 

stab

 into some 

copper scourers to remove the 
solder. Once it has been tinned, 
you can often just clean the tip 
while you’re soldering to keep it in 
good order 

(do not use plastic 

sponges, as they will melt. A 
sponge like what’s on the TS1502 
will do, or pictured: our soldering tip 
cleaner TS1510, which comes with 

two scourers and will last for a few years, we use this almost daily.) 

Once the legs are snipped, you can apply some solder to the joint. Read on in the next 
section for how. 

 

Содержание Duinotech Build A Christmas Tree

Страница 1: ...uits or chips 555 4017 and matching sockets Header pins Header cable PCB board Preparing the LEDs Start by placing one of the LEDs in the circular pads marked out on the PCB board You will notice that...

Страница 2: ...d it can t drop out or wiggle around too much Once that is done you will want to snip the legs of the LED much shorter We do this so that the heat from the soldering iron is not wasted heating up the...

Страница 3: ...o you are left with a simple clean and shiny soldering iron tip You can either wipe onto a damp sponge or rag or stab into some copper scourers to remove the solder Once it has been tinned you can oft...

Страница 4: ...e we have the PCB mounted in our Third Hand holder TH1982 We apply the soldering iron to one side of the LED leg touching both the leg and the pad underneath Then we apply solder from the top so that...

Страница 5: ...m the flat marking Bend the leads so that the LED doesn t move Snip the leas so the heat is close to the joint and not heating the whole leg Apply Iron from one side solder from the other Aim to heat...

Страница 6: ...h are rarely used With a 5 band colour code bands 1 3 are digits then the 4th is a multiplier such as 1000 The 5th band is usually separated away from the other bands so you know which way the resisto...

Страница 7: ...ible to see by the naked eye called a hairline fracture and can be a huge source of trouble to track down when the circuit is not working correctly It will also look neater in the project which is wha...

Страница 8: ...ke everything else Solder the IC sockets Once the resistors are in we ll do the IC sockets It should be pretty obvious where these go but they do have an orientation to them It is not critically impor...

Страница 9: ...wo of them The little one is a ceramic capacitor and can go in either way The larger black capacitor is an electrolytic and has a polarity similar to an LED You will notice that this too has a longer...

Страница 10: ...e joint again this is an example of stress on the component Touching it up once or twice should do the job and adjust the component so that it lays flat on the PCB Once the pins are held into position...

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