There is a need for acurate temperature measurement calibration of extruders and soldering workstations, solar heating systems etc. I found this nice little meter on deal extreme when ordering my Kapa tape around $27.
Electronic digital scales.
Here is another little gem from Deal Extreme i.e. a digital scales with a range of grams up to 45kg. It has lb and oz scales also at a price of $8.
ARNIE - The surface mount soldering plate
Surface mount soldering plate construction I bought a small hot plate for £15 inc postage.
It is thermastaticly controlled on testing its ability to remain at any given temperature was haphazard with a maximum temperature of 170c achived. Stripping the hot plate revealed that the temperature sensor was on the control knob ie in close proximity to the hot plate but not attached.
Searching ebay I located a PiD controler and SSR with K type thermocouple.
  |
I have mounted the PID controler in an old Vero rack case big enough to put the hot plate on.
Very carefuly drilled the under side of cast iron hotplate to take the thermistor. I spring loaded the thermistor using a circlip to hold it in place wired it all to gether using a fused IEC power connector and an IEC power socket to plug the hot plate into. Added a power switch. Removed the original thermistor control circuit from the hot plate. Replaced the hot plate wire with a short 6A IEC lead with intergal plug. So I now have an acurately Temperature controlled SM heating / soldering plate.
Excellent well done.
ReplyDeleteI have a dual element (Top and bottom) pizza oven thing to add temperature control to for use as a re-flow oven.
When I get around to it.
At the moment it is just gathering dust.
They were cheap from netto one week so I acquired one in readiness.
It could be a winter job yet, as I am catching up on some outdoor work.
I buit this a while ago, Oh the garden at my house has grass & weeds taller than Midge shes 4' 11". I we ever finsh her house. I have a 1/3 of an acer of jungle to cut down. Then I need to level off 24 x 12 to build the Solar shed/workshops is to be bulit. His and Hers 10 x 12 workshops
ReplyDeleteAll this good weather is anoying if you have solar pannels in their boxes with a grid tie inverter piled in the garage of the wrong house. all the reprap stuff is kindof on hold too I manage to fit a bit in though;-)
Put something that eats grass and weeds on it. I put some ducks in my back garden and haven't needed to cut the grass there after.
ReplyDeleteThe garden gets manured regularly and the grass is improving because it survives the attention of the ducks better than the weeds.
Next job is finish aquaponics greenhouse and dig a bore hole.
We are due to get Chickens but ducks sounds better now I have a 1000 + gallon pond.
ReplyDeleteHow do you keep the ducks from moving away?
Midge would be very interested in the aquaponics green house.