Gareth's blog

Testing 3M conductive sensors on InMoov finger_Tip

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This is a Video for Gael and those searching fingertip sensor possibilities


Compression Chamber Take_No.1

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First attempt at a sealed conductive compression cylinder..... this time hollowed out the 3M earplug..awaiting it to dry before i can test....."twiddles thumbs".

I wanted to make a blind encapsulated print but choose plan "B" instead... there is no harm in a tube of glue....(development glue)

Update 5 minutes later :- Nylon screws will be used...whoops


Inmoov starter finger gets its nails clipped with conductive foam insert

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Inmoov starter finger gets its nails clipped with conductive foam insert

Early days to see how it performs :-

700 ohms resting

300 ohms compression, by manual test.....


Custom conductive ink Keyboards.....

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Creating a custom keyboard (x,y) style (Top).... and capacitive style (bottom)....

They are encapsulated so waterproof_ish


ABS Coated with copper works to - Burnishing the ink before copper bath is the trick..

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Here is an ABS grid i coated with conductive ink and found that  "Burnishing" with a back of a spoon helps compact the layer and reduce its resistance dramatically.

This was just 15 mins cooking in the electroplating. (had to turn the current down (800ma @2.5V) as once the copper coat starts the resistance reduces YAY ....... I does form quite a resilient copper layer.


Electroplating copper onto PLA ......Steam Punk style....

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Appying a coat of Conductive ink to PLA allows you to Electroplate it with copper.

Its the first time for me and the results are exciting :-

The PLA needs a bit of sanding to roughen it up a bit so that the ink sticks better.


Conductive Ink Sensors... are your 3M Ear_Plugs safe !!!

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My Conductive Ink has arrived along with some 3M Ear-Plugs.....here is the Mix....

 


Servos Installed :- MRL>>>Propeller>>> Flexy-Flexy

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Last Hurdle....Kinda......Multiple Servos now working from MRL >>> Propeller

Also created a universal Propeller Board...... one that is easy to fit things too.....

 

Bottom Left adjustable power Regulator ... for servos (5V-6V) underneath is a 3.3V regulator(Hidden)

Middle Left ... FTDI serial link

16 pin chip is an 8 Channel 12 bit ADC.