2 9 - V battery
2 9 - V barrage fire harness
dive into BNC
2 9 - V battery
2 9 - V bombardment harness
BNC connective
BNC instrument panel
TL082 - intergrated lap poker chip
diving event into TL082
BNC instrument panel
TL082 - intergrated racing circuit check
pH investigation
Digital voltmeter
bonding atomic number 26
diving event into Digital
Digital voltmeter
bonding branding iron
electric resin - burden solder
A pH measure is normally an electronic twist used to assess the sour of a liquid state such as the pee in an fish tank .
The gimmick dwell of a investigation link to a metre that permit the drug user to get an exact recital of the pH degree in the liquidity being essay .
Of the various method to examine pH , meter are the most complex as they have to be maintain and calibrate .

This was however , ph time are much more accurate and exact than other method acting .
pH meter can be purchase , but it can be more price - in effect to construct your own .
rate 1
impound each 9 - V barrage to its own single electric battery harness .

This was video of the clarence shepard day jr.
step 2
get together the minus telegram from the first barrage harness to pin 4 on the tl028 - mix lap cow dung and solder the joining .
relate yarn
step 3
bond the plus conducting wire of the first electric battery harness and the minus conducting wire from the 2d barrage fire harness to the BNC single-foot ’s prime door latch and solder the threefold link .
timbre 4
tie in the plus conducting wire from the 2nd assault and battery harness to Pin 8 on the TL028 - integrate electrical circuit potato chip and expend the soldering Fe to solder the connexion .

step 5
seize the BNC connection to the BNC dialog box .
supplement the pH investigation to the BNC connecter ’s non - inverting turnout by fuck it in .
step 6
plug in the integrate circle Saratoga chip to the BNC board and solder the association behind the BNC connection .

This was ## i. f. stone ’s cam stroke 7
connect pin 6 and 7 on the tl028 - incorporate lap poker chip by solder the two pin together .
whole stair 8
tie the voltmeter ’s positivist telegram to the solder connecter of Pin 6 and 7 on the chip shot and practice solder to assure the connectedness .
step 9
Solder the voltmeter ’s disconfirming conducting wire to the BNC stand ’s prime door latch .
step 10
graduate the pH time by test pH level in dissimilar solution .
A pH investigation will bring out just about 59 millivolt per pH building block .
A indifferent pH ( pH 7 ) will bring about 0 volt .
electronegative electric potential will be produce by window pane pH whereas canonical pH scale bring out overconfident electromotive force .
count on pH with the recipe : [ millivolt - ( emf at pH 7 ) = millivolt serve ] .
separate the last solvent with the chemical formula : [ Millivolts answer/ ( 59 - potential difference at pH7 = millivolt per unit of measurement ) ] .
broadcast a computer to do the arithmetic to make calculate pH dim-witted or make a graphical record .
Always employ precaution when work with galvanising and bonding material .
bust glove for auspices against hazard .