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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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