Gareth's blog

Inmoov starter finger gets its nails clipped with conductive foam insert

Gareth's picture

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.....

Gareth's picture

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..

Gareth's picture

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....

Gareth's picture

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 !!!

Gareth's picture

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

 


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

Gareth's picture

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.


Gyro x,y,z on i2c bus ......MRL>Propeller>MRL

Gareth's picture

I have activated an i2c OBJ on my Propeller system making it possible for MRL to read any i2c device

..... As test the data you see here is from a Wii MotionPlus 3 axis Gyro... as you can see i got a bit carried away at the end of the trace... its pretty responsive.....YaY...

(Elves put on helmets fearing they are to go airbourne)

I have dissassembled the Wiis circuit board out and installed it into my Plastic egg system...


MRL>Propeller>MRL using MCP3208 chip 8 channel 12bit .....reading my pulse.....

Gareth's picture

How is this for a medical instrument.....

Good progress with the Propeller>MRL linking.... just routing single elements at the moment... just to open up the gate ways..