Jul 15, 2012 #1 billyblanko 0 Joined May 26, 2012 Messages 98 Points 0 built this today with "not much space" being the issue ...thought i`d share a few pikz with ya .. Attachments 2012-07-15 21.30.24.jpg 31.9 KB · Views: 284 2012-07-15 21.32.30.jpg 24.7 KB · Views: 250 2012-07-15 21.34.18.jpg 32.7 KB · Views: 261 2012-07-15 21.32.12.jpg 25.4 KB · Views: 241
Jul 15, 2012 #2 Wolfman29 0 Joined Jan 14, 2011 Messages 3,816 Points 63 Not bad! What's the wattage on that pot though? And how much current do you plan on passing through the LM317?
Not bad! What's the wattage on that pot though? And how much current do you plan on passing through the LM317?
Jul 16, 2012 #3 Cyparagon 0 Joined Sep 12, 2007 Messages 9,399 Points 113 According to my math, the power dissipated by the pot reaches a maximum of 39mW when set at 10Ω. It falls on either side of that setting. Even the smallest of pots are usually rated for 100mW.
According to my math, the power dissipated by the pot reaches a maximum of 39mW when set at 10Ω. It falls on either side of that setting. Even the smallest of pots are usually rated for 100mW.
Jul 16, 2012 #4 Wolfman29 0 Joined Jan 14, 2011 Messages 3,816 Points 63 Oh, I didn't bother reading the resistance code =p
Jul 16, 2012 #5 rhd 0 Joined Dec 7, 2010 Messages 8,475 Points 0 +1 from me. That's totally the style of driver I used to love putting together. Mucho respect for the creativity I can already see it - you're going to have a lot of fun once someone convinces you to grab a copy of Eagle and start making PCBs
+1 from me. That's totally the style of driver I used to love putting together. Mucho respect for the creativity I can already see it - you're going to have a lot of fun once someone convinces you to grab a copy of Eagle and start making PCBs
Jul 16, 2012 #7 billyblanko 0 Joined May 26, 2012 Messages 98 Points 0 lol...thx guys ....i really enjoy doin work like this ...takes me back to building tiny FM transmitters & flashing ariels for cellphones ...the driver sits perfectly into the pill i have ...i will mount the 317 down to it . scott
lol...thx guys ....i really enjoy doin work like this ...takes me back to building tiny FM transmitters & flashing ariels for cellphones ...the driver sits perfectly into the pill i have ...i will mount the 317 down to it . scott
Jul 17, 2012 #8 awillis2589 0 Joined Jun 21, 2012 Messages 2,019 Points 48 Now that's a nice small package . I'm going to try and do something like this for my next lm317.
Jul 17, 2012 #9 billyblanko 0 Joined May 26, 2012 Messages 98 Points 0 thx ...the input pin for the 317 is perfect to press against the pill for case + build , i`ll machine a small groove for it to sit in .
thx ...the input pin for the 317 is perfect to press against the pill for case + build , i`ll machine a small groove for it to sit in .