I won a nice hobby multimeter at the Western Canadian Games a couple of years ago, packed it up when I moved and recently found it again. Brand new, unused (I...
I just listed a wonderborg robot on ebay. never opened could be beamable item number 330215720597 I also have a bunch of camcorder gearmotors I may ebay if...
Greetings all. Can someone advise me on how i can add a nocturnal solar engine to my attached circuit? The more i read, the more confused i get. I just need a...
Hello Groups, I recently got hold of a L293B chip. Comparing the datasheet of the "B" variant with the "D", it states that the L293D has an internal clamp...
Hi Jing! How's it going man? Great? It should be! :D Well, in our country, the only thing available is the L293B. You can use it just like the L293D. One...
If i was to build a biped walker, like steve jones robot, which would work better? a) a string of nv Neurons to create the proper motion b) using 4 bicores,...
Hi Harold, It's been a while. Yep finally got the chance to pick that chip. Thanks for the reply. Another question, the L293B datasheet states that the supply...
Hi Jing and harold, Please allow me to share what I know of L293. I have been able to use L293D and L293 since I was able to ask several tubes of it from...
Hi Ross, Here are a couple of variations you could try. The pass transistor, (PNP in the first circuit, NPN in the second circuit), must be able to pass the...
For BB-Blue I used a microcore. I look forward to seeing what you come up with, other then Mark T. I am the only other person to come up with a Biped BEAM...
Check this website www.calculatoredge.com has several online calculators for Electrical, Mechanical, Civil, Electronics, Chemical, etc.... You can calculate...
Hello Jing! Hey, what's up man? Yeah, it's been a while...but I'm always check this group once in a while. I'm quite busy at work and trying tosave money for...
Hey group. My local electronics store does not carry the Panasonic 1381 voltage sensors but I did manage to get 2 "mc34164p-003 micropower undervoltage...
Here you go, Brandon. http://www.solarbotics.net/library/circuits/se_t1_chloro.html Wilf's Miller-style Chloroplasts, down the bottom of the page, look just...
Hello Johnson and Harold, Thanks for the replies guys. I really appreciate it. Regarding those diodes, can you give me a specific part number,i might as well ...
Hello all, I hope everyone is happy building! This weekend would have been our monthly Buildfest but because of weather (20 cm of snow due friday night -...
Hello fellow beamers I just thought you might find this online exhibition interesting Museum of Modern Art Design and the Elastic Mind February 24-May 12, 2008...
Hello everyone. Here's a 2 DOF Solar Power Smart Head based on Wilf's spsh v.3. The motors came from an old video camera ($5), the rest from various...
Hi Jing, Sorry it took me long to reply to your message. I got busy with my projects. I ask for free samples from TI. They gave it for free including the...
Hi Johnson, It's ok. It's great you got those chips. I just check their site and the datasheets. Those chips is sure is handy when driving big motors. Wish i...
I got the turbot kit from solarbotics and I can't figure out how the stall can be detected. Looking at the schematics just screws me up. can anyone tell my how...
I'm going to be selling my Tektronix TDS 420A Oscilloscope in the near future. It's a 4 Channel, 200 MHz, 100 MS/s digitizing scope. I would have put it up on...
Are you driving the motors directly from the bicores, Caleb, or do you have a buffer between the bicores and motors? Jo ... electronics consisting of the 4...
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