The Shop > Electronics & IC Programing
What am i doing wrong?
John Rudd:
From a design perspective, as per the manu's recommendations, R1 should really be 240, make R2 a 1K preset to trim the volts....
shipto:
thank you all I have a successful circuit, at least on the breadboard lets hope I can transfer it to the verostrip with the same results
John Rudd:
--- Quote from: shipto on April 05, 2015, 07:03:50 AM ---lets hope I can transfer it to the verostrip with the same results
--- End quote ---
Couple of tips for using Veroboard, use a small drill to create breaks in the tracks, run a thin blade down all tracks after you have finished soldering....ensures you gave no adjacent shorts.... :zap:
shipto:
just found the 317 on the board is knackered probably my fault but good to know reason.
Andreas that pdf is teaching me many things, as i stated above my experience is very limited and I have never fully understood a lot of what i do for example I didnt put protection diodes on the lm317 because the schematic didnt show them. I now know they are there to protect from discharge from the capacitors and their inclusion would have stopped me blowing 317's
John Rudd:
Oh dear :zap: Fortunately they don't cost a lot.... :lol: :lol:
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