Breadboard... blehg!

throbscottle · Jan 10, 2015

Just spent 2nd half day building a (6 ic + 3 tranny) circuit on solderless breadboard, ran out of space, two soic's are connected by having bits of ribbon cable soldered to them, plugged in the wires where they would fit... damn thing doesn't work. Doh! Simulates OK, so its probably something I did.
Now I will have to tear it down and build and test one small bit at a time. At least I've found a 5v wall wart now. Gnnggggg...
What I could do with is making the transistorey bits into sub-circuits I can plug in. PITA whatever way I look at it
Invented a way to make a so23 have leads - tiny square of copperclad with a T shaped cut in it. Solder the so23 to that, solder on wires. Sorted. (Because that is the only P-channel mosfet I have)

dr pepper · Jan 12, 2015

I have spent ages working on breadboard only to find the contacts had relaxed on some of the pins causing the circuti not to work, this is after I'd spent 2 hours staring at the pc screen and changing my pic code umpteen times.
Breadboard is good for some things but it can leg you up.

Nigel Goodwin · Jan 12, 2015

I've never particularly used breadboards - too unreliable - however I've just ordered an Arduino stater kit to play with, which comes with a breadboard

It was too cheap not to order one:

https://www.banggood.com/Basic-Starter-Learning-Kit-UNO-For-Arduino-Basics-p-934217.html

throbscottle · Jan 12, 2015

Yeah I generally use it to test out ideas or simple circuits. Trying anything complex is definitely folly, but I don't have much option at the moment. Found a huge improvement when I started using stranded wire for the connections instead of solid wire. Harder to plug in, but much more reliable contact.

jpanhalt · Jan 12, 2015

VeeCad (https://veecad.com/) may help you, depending on what you use for your schematic. I use Eagle and did not have good luck exporting to it.

John

tronitech · Jan 12, 2015

Nigel Goodwin said:
I've never particularly used breadboards - too unreliable - however I've just ordered an Arduino stater kit to play with, which comes with a breadboard

It was too cheap not to order one:

https://www.banggood.com/Basic-Starter-Learning-Kit-UNO-For-Arduino-Basics-p-934217.html

Sorry to sidetrack but just had to buy one at that price.

throbscottle · Jan 12, 2015

jpanhalt said:
VeeCad (https://veecad.com/) may help you, depending on what you use for your schematic. I use Eagle and did not have good luck exporting to it.

John

Cool! I will give it a try. I use Design Spark, VeeCAD say it can use that

throbscottle · Jan 12, 2015

Nigel Goodwin said:
I've never particularly used breadboards - too unreliable - however I've just ordered an Arduino stater kit to play with, which comes with a breadboard

It was too cheap not to order one:

https://www.banggood.com/Basic-Starter-Learning-Kit-UNO-For-Arduino-Basics-p-934217.html

Huh, wish I could spare £16.61, I'd get one too!

flat5 · Jan 12, 2015

I too am thinking of buying the Arduino stater kit but it does not seem to include any book to teach or show how to build any projects.

Edit:
There is a 24MB pdf to download. I have. Guess I'll order the kit.
https://www.dropbox.com/s/svgdio92piiw1fz/Arduino documentation.pdf?dl=0

Nigel Goodwin · Jan 13, 2015

tronitech said:
Sorry to sidetrack but just had to buy one at that price.

I know - I was just the same

Nigel Goodwin · Jan 13, 2015

flat5 said:
I too am thinking of buying the Arduino stater kit but it does not seem to include any book to teach or show how to build any projects.

Edit:
There is a 24MB pdf to download. I have. Guess I'll order the kit.
https://www.dropbox.com/s/svgdio92piiw1fz/Arduino documentation.pdf?dl=0

If you look on Amazon, there are a number of very similar kits for sale (not as cheap though), and some of those have links to the documentation and source code.

Nigel Goodwin · Jan 13, 2015

BTW, here's another item I couldn't resist for the price:

https://www.banggood.com/0-30V-2mA-3A-Adjustable-DC-Regulated-Power-Supply-DIY-Kit-p-958308.html

Plus this:

**broken link removed**

flat5 · Jan 13, 2015

If that power supply had the transformer and perhaps a case I'd have maybe bought it.
I have bought two of these so that I have a plus & negative supply.
They were 47 Euros when I bought them. Very happy I did.
https://www.banggood.com/CPS-3205-0...stable-DC-Power-Supply-110V220V-p-934530.html

Nigel, did you see this before ordering?
**broken link removed**

I'm addicted to BangGood. I check it every day for new arrivals.

Nigel Goodwin · Jan 13, 2015

flat5 said:
If that power supply had the transformer and perhaps a case I'd have maybe bought it.
I have bought two of these so that I have a plus & negative supply.
They were 47 Euros when I bought them. Very happy I did.
https://www.banggood.com/CPS-3205-0...stable-DC-Power-Supply-110V220V-p-934530.html

Nice, but one of the main reasons for ordering the kit was for the fun of building it

Problem with ordering more expensive items (as the PSU above) is that in the UK they get subjected to VAT, import tax, plus a charge for collecting the extra money!.

Nigel, did you see this before ordering?
**broken link removed**

Yes, but I preferred the small combined one I ordered.

I'm addicted to BangGood. I check it every day for new arrivals.

Same here

flat5 · Jan 13, 2015

You say combined but they are separate. I mean the power supply & display together assembled for the price of the supply alone. (could I have said that more awkwardly?)

I like the kits too. I built the ten watt amp, clock, tester, zapper, clap switch, etc.
I wish they had a cool xtal set or two with everything, good rf generator, ...?

Breadboard... blehg!

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