1,378 reputation
58
bio website philohome.com
location France
age 58
visits member for 2 years, 8 months
seen 19 hours ago

Jun
19
comment How to unplug black friction pin connectors
My preferred method is the last one, but instead of using a Technic brick, I use a half width beam. The stick blocks the pin as it does with the full width brick, but once the stick is removed, the pin is very easy to pull out from the beam.
Jun
3
comment NXT or EV3 gyro sensor
For a while, blocs needed to use gyro or US distance sensors on home edition are a available for download. Gyro: lego.com/en-us/mindstorms/downloads/ev3-blocks/gyro and US-sensor: lego.com/en-us/mindstorms/downloads/ev3-blocks/ultrasonic
Jun
2
comment Can anyone explain the transformation information within a Lego Digital Designer LXF file?
"Brick width is 0.8, brick height is 0.96 and plate height 0.32.": These are dimensions of bricks in centimeters...
Apr
27
comment Installing Linux on my NXT
And the USB port is a slave type one, not a host, so you can't connect a device (printer) to NXT.
Mar
25
comment Turn a tank a specific number of degrees
As dfrevert said, tracks MUST slip to turn, it's impossible otherwise. The IR sensor returns an indication of the difference of illumination received by the two internal receivers, this is by no way an angle. Same of thing when used as a distance sensor, it gives an indication based on strength of IR echoed to the sensor, so it is not linear and repends on reflectivity of target.
Mar
18
comment Can you identify this model of a yellow truck?
From the size and style of the model, I felt it could be a model from one universal box. A quick browse in the proper section of peeron database gave the answer... Other useful databases are Brickset brickset.com (among other things it lists official building instructions from modern sets) and Bricklink bricklink.com. Old building instructions are available here too: brickfactory.info
Mar
17
comment Can you identify this yellow crane?
Set 8074 confirmed. Inventory and building instructions available here: peeron.com/inv/sets/8074-1
Sep
13
comment EV3 additional build instructions - PDF download or print possible?
Building instructions of 31313 retail set official models are now available: us.lego.com/en-us/mindstorms/community/bi
Sep
1
comment No software with the EV3 robot?
You may now download and add gyro and ultrasonic sensors blocks for retail software. See eg. lego.com/en-us/mindstorms/downloads/ev3-blocks/gyro
Aug
9
comment No software with the EV3 robot?
...but retail version - as of this writing - has not blocks to use ultrasonic or gyro sensors that come with EDU version.
Jul
29
comment Has anyone just “built a tower”?
A significantly smaller scale one, built this summer during a FreeLUG meeting, with no other tools than a ladder: youtube.com/watch?v=4HYkZNR_ryc
Apr
22
comment NXT Bluetooth “Failed!” when turning on
No, the button located under the battery pack is there to make the brick know that it is powered by a rechargeable battery pack. The battery pack has a pin that presses this button, this changes the battery charge level voltage thresholds to adapt to different technology.
Feb
20
comment Why does LEGO now use studless technic designs?
I don't see any other part left that needs to be updated from even to odd: The studded frames (4x4, 4x6, 6x8) have so far given only the 5x7 studless frame (the 5x11 can be considered as a derivative of 5x7). Bigger frames would be nice to fit in PF motors...
Feb
11
comment How do I remove orange (rust?) stains from white elements?
If it's really rust stains, oxalic acid may be worth trying...
Jul
30
comment How can I upgrade the firmware of an RCX 1.0 to an RCX 2.0?
I confirm that Bricxcc can upload firmware to the RCX (in tools menu)
Feb
29
comment What part is this grey keyhole shape and what set(s) is it from?
Here is the complete assembly of the staircase: bricklink.com/catalogItemInv.asp?P=40243c01