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What is the best way to test a circuit design with surface mount parts?

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Fungus:

--- Quote from: nctnico on October 13, 2022, 12:46:55 pm ---just make a board that has some flexibility for experimenting.

--- End quote ---

Or buy one on Aliexpress.  :)

https://www.aliexpress.com/item/32595260722.html

Mechatrommer:

--- Quote from: Fungus on October 13, 2022, 03:32:46 pm ---
--- Quote from: Mechatrommer on October 13, 2022, 02:01:10 pm ---what is more flexible than a breadboard?
--- End quote ---
https://www.aliexpress.com/item/32916867562.html
--- End quote ---
i assume you are joking ;D (flexible is in term how easy we change circuit without solder/desoldering hazard.)

artag:
The hole-matrix boards are fine for SMD prototyping. Just treat the matrix as a matrixof pads, and solder up to 4 SMD components to each pad. The gaps between pads are typically 0.5mm so a range of SMD footprints will fit, including SOT-23.

You can use the holes for linking the pads on the other side with wire, if needed.

ICs are more of a problem. The breakouts mentioned above help, or small (less than 8 pin) components may fit directly.

I'm not so keen on the boards with a selection of SMD footprints - it's hard to use more than one or two of them. Small generic areas with a 50 thou or 20 thou grid of pads would be useful.

pcprogrammer:

--- Quote from: Mechatrommer on October 13, 2022, 03:50:40 pm ---
--- Quote from: Fungus on October 13, 2022, 03:32:46 pm ---
--- Quote from: Mechatrommer on October 13, 2022, 02:01:10 pm ---what is more flexible than a breadboard?
--- End quote ---
https://www.aliexpress.com/item/32916867562.html
--- End quote ---
i assume you are joking ;D (flexible is in term how easy we change circuit without solder/desoldering hazard.)

--- End quote ---

But both tggzzz and nctnico were writing about reliability which is gained by using solder. Solder-less breadboards are good for many hours of debugging your design due to improper connections.

Mechatrommer:

--- Quote from: pcprogrammer on October 13, 2022, 04:01:13 pm ---Solder-less breadboards are good for many hours of debugging your design due to improper connections.

--- End quote ---
what prohibits you from making improper (wrong) connection on perfboard? none! make sure the breadboard and jumper pins are clean and know its limitation (not for power connection and inductive/capacitive sensitive circuitry) btw i have both bread and perf board in stock, i use which one more suitable. if i need very quick verification, breadboard is the one i grab.

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