|
| |
|  
frequency
(score: 1.981)
|
|
 | | Re: LUGNET Posting Policy Update
|
| (...) Happy New Year, Janey... Sorry if my answer was a bit cryptic there! What I am trying to say is that if the new policy means that people act more in accordance with the ToS than they have in the recent past, it may well be that no time outs (...) (20 years ago, 1-Jan-05, to lugnet.admin.terms, FTX)
| |
|
frequency
(score: 1.981)
|
|
| | Re: 8475 -- motors and steering Oh My
|
| (...) Th - Time signal is High Tl - Time signal is Low Tt - total time ------________ Th Tl <---- Tt --------> Matthias Jetleb P.S.: Th/Tt is defined as the duty cycle, expressed as a percent. Therefor: Th=2ms, Tt=3ms = 66% duty cycle. This is (...) (22 years ago, 30-Dec-02, to lugnet.org.ca.rtltoronto)
| |
|
frequency
(score: 1.981)
|
|
| | Thinking outside of the blocks
|
| Here is a cute stepper-motor driver we've been rigging. It takes a motor-on pulse and converts it to a 12V stepper step. It uses positive pulses and negative pulses to make the stepper go forward or backward. If you tell the RCX to run the motor at (...) (24 years ago, 25-Nov-00, to lugnet.robotics)
| |
|
frequency
(score: 1.981)
|
|
| | Re: thoughts on gbc module reliability
|
| (...) Another thing we might try is to implement this splitter at the junction of the throughput zones to catch any ball overflow from the leaky bucket module. Then this shunted ball flow could be loaded onto several train cars and haulled around (...) (18 years ago, 7-Jul-06, to lugnet.robotics)
| |
|
frequency
(score: 1.981)
|
|
| |
|
frequency
(score: 1.981)
|
|
| | Re: detecting goal objects at a distance
|
| (...) I imagine that - even if using such an IR LED as a beacon - roomlight etc. will still be the major problem. So, I'm pretty sure that a quite simple means at the detector side would simplify such a project dramatically: an optical IR filter. (...) (25 years ago, 31-Dec-99, to lugnet.robotics)
| |
|
frequency
(score: 1.981)
|
|
| | brushless motors
|
| has anyone had any success hooking up brushless motors to a handyboard? basically, the problem i'm having is there is only one gnd pin on the motor, which is both for the internal digital logic and to sink the current through the motor. it's a (...) (24 years ago, 10-Apr-00, to lugnet.robotics.handyboard)
| |
|
frequency
(score: 1.981)
|
|
| | Re: About SetSerialComm(SERIAL_COMM_DEFAULT);
|
| I haven't done a lot of testing with SendSerial(), so I can't say for certain what combinations are possible, etc. If you use SetSerialPacket(SERI...CKET_RCX), any bytes you send get built as a packet (with the 55 ff 00 header, data followed by (...) (23 years ago, 8-Sep-01, to lugnet.robotics.rcx.nqc)
| |
|
frequency
(score: 1.981)
|
|
| | Re: 7996 Metalized
|
| (...) Hi all, here some more info: There's no secret in it. It's just an prototype of the 7996 point with adhesive copper tape that i tinned / soldered with a solder iron using solder 60/40, witch means 60% lead and 40% tin. The used copper tape (i (...) (17 years ago, 3-Oct-07, to lugnet.trains)
| |
|
frequency
(score: 1.981)
|
|
| | New sensors from Pitsco-Dacta
|
| I received my Pitsco-Dacta LEGO catalogue today. I found the information regarding the sensor adapter and other sensors. These are DCP Sensors. LEGO - DCP Sensor Adapter D779917 $53.75 Humidity Sensor 0-100% relative humidity over a temperature (...) (25 years ago, 28-Dec-99, to lugnet.robotics)
| |
|
frequency
(score: 1.981)
|
|
| | dual servos
|
| Hello world, To richardv@abac.com, I am eagerly awaiting your results. To joe.doubek@privy.com, I'll keep you posted. So far I have gotten to the stage of pretty well ruling out input noise as the cause of twitching servos. I have almost identical (...) (28 years ago, 17-Jan-97, to lugnet.robotics.handyboard)
| |
|
frequency
(score: 1.981)
|
|
| | Re: IR Collision avoidance
|
| At any point are you making an effort to detect your 40kHz IR signal? If you use the sharp IR detector to receive your 40kHz signal you are going to get an initial burst when the thing first turns on and then it will average out to zero just like (...) (28 years ago, 3-Mar-97, to lugnet.robotics.handyboard)
| |
|
frequency
(score: 1.981)
|
|
| | Re: generating waves
|
| In lugnet.robotics.handyboard, Matthias Weber writes: I think your best bet would be to create an external oscillator that could be controlled using one of the TOC's. I mention the TOC's in case you need to pulse the oscillation (infrared remote (...) (23 years ago, 17-May-01, to lugnet.robotics.handyboard)
| |
|
frequency
(score: 1.981)
|
|
| |
|
frequency
(score: 1.981)
|
|
| | questions on optical encoders
|
| Hi, everyone Hi, i am currently doing a thesis topic "Micromouse project". And, I am going to purchase an small optical encoder to measure the speed, acceleration and distance that my mice has taken. My mice is driven by a DC motor, so the opti. (...) (26 years ago, 18-Apr-98, to lugnet.robotics.handyboard)
| |
|
frequency
(score: 1.981)
|
|
| | Max-picking LIDAR
|
| After the NEIRG games this past weekend, Jona asked me for the details on how I did proximity detection, and in case my findings might be interesting I'm posting them here. After trying all the other methods described in this forum, I still wasn't (...) (21 years ago, 4-Mar-04, to lugnet.org.us.lrgoaa, lugnet.robotics)
| |
|
frequency
(score: 1.981)
|
|
| | Re: Charge!
|
| (...) I'm not sure if I'm thinking of the same riff as you are, since mine has far fewer notes, but its worth a try... I don't know the "official" key, and I'm doing this without a piano in front of me, but any major chord should do the trick.... C (...) (24 years ago, 14-Nov-00, to lugnet.robotics.rcx, lugnet.robotics)
| |
|
frequency
(score: 1.981)
|
|
| | Re: Is an RCX Output Amplfier, possible ?
|
| (...) Maybe you're looking for a DC motor driver like L293D (used with handyboard) from STMicroelectronics (former SGS-thomson) (URL) for all available driver this driver is suitable for use in switching applications up to 5 kHz. I don't know the (...) (24 years ago, 8-Feb-01, to lugnet.robotics.rcx)
| |
|
frequency
(score: 1.981)
|
|
| | RE: Another update for WIRRL
|
| I just noticed at least one glaring error with the new schematic... Say, for argument, an RCX sends "1001", which, in IR, would be "0110". The IR detector of WIRRL would do nothing for the first bit ("0"), but the next bit ("1") should be sent over (...) (22 years ago, 22-Oct-02, to lugnet.robotics)
| |
|
frequency
(score: 1.981)
|
