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The 10uF electrolytic caps can be replaced by ceramics #3

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bobc opened this issue Oct 22, 2013 · 1 comment
Open

The 10uF electrolytic caps can be replaced by ceramics #3

bobc opened this issue Oct 22, 2013 · 1 comment
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enhancement RAMPS-FD

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@bobc
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bobc commented Oct 22, 2013

Change the 10uF electrolytics caps used on the ADC filters for ceramic.
bobc added a commit that referenced this issue Dec 14, 2013
@bobc
Merge pull request #15 from cefiar/master
dd79618 
Component rearangement to address bugs #8 and #6. Prep work for bugs #3 and #5..
@cefiar
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cefiar commented Dec 14, 2013

Preliminary work rearranging components C301, C302, C303 and C501 completed. Component footprints have yet to be changed.

bobc added a commit that referenced this issue Dec 18, 2013
@bobc
RAMPS-FD schematic changes:
1f6033e 
#3 replace C301, C302, C303 and C501 with ceramic 0805;
#4 change endstop connectors to 6x1 and 6x2 to allow key position
#9 change E-STOP connector to KK type;
#18 add 10k pulldowns on heater outputs from CPU
#19 change E-STOP buffers to HCT type to always drive FETs at 5V and remove inverting drivers on heater outputs;
#20 add 24LC256 I2C EEPROM
bobc added a commit that referenced this issue Jan 3, 2014
@bobc
RAMPS-FD: update board layout with new thermistor protection (#3, #5);
88db162 
locking conenctor for EM-STOP (#9);
add external 5V connector (#11)
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