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build+icd2
I built the design with the 16f877a chip and a 232acpe chip. Works well aside from a few design problems, I used 2n3906 transistors and regular diodes 1n4004 i think and it worked well, you have to use the right zener and it works great. Although now i am having problems with some of...
Re: USB Programmer for PIC
There is a nice icd-2 clone that can program aswell as debug at Lothar Soltz homepage, also uses the ftdi chip.
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Hope this helps, i built the first one he had on his web page and for so few components it works well. He has the link to building...
Lothar has another ICD2 design out that uses USB with an ftdi chip. I built the original design and tracked all of the problems i was having to a bad zener diode and a miss placed jumper wire. Make sure and look hard I would have never guessed the zener was bad, until i checked it.
sm6135 circuit
What type of controller are you using, most commercially avaliable RC controllers transmit a PWM signal and that determines speed. By how long or short the signal is active. I found one design might interest you.
http://www.talkingelectronics.com/te_interactive_index.html...
I got mine on friday, they had me get the m16c/tiny kit due to the others being out of stock. The site still lists the m16c/tiny kit and the r8c/13 kits as being avaliable. The m16c/tiny kit still comes with an lcd. Plus the programmer and the cables to use it all. Although the sample chips...
Could drive some cheap steppers from printers. Try this link even has program and code to run it.
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All the way down at the bottom, you may not want to copy his work but it should give you some great ideas. As well you might want to check out the piclist for some ideas...
pins with the same name in eagle
Does anyone have a library for 14 to 16 pin offste pin semiconductors, like stepper motor chips like the allegro sla7051 or the national lmd18425 chips. If there are none avaliable is there a good howto in making a library. Thanks
Are any of the willem programmers for pic micro's worth buying. So far i am trying to build the icd2 design in the forums here but i have seen the willem 3.0 programmer go for 30us on ebay and was wandering if it was worth it to buy one.
For those that haven't gone through maxim's appnotes. Very nice selection of temp and other appnotes for alot of there chips.
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One of the designs is down to 0.1°C. The code they have with this one is for 8051 though.
irf540 step motor
The one plus of using a driver chip like say the sla5071 from allegro or the lmd18245 chips from national is that the chips often have built in pwm or chopper control. I also have some 3977 chips. I'm working on a design at the moment but i need to learn more code. Any...
Here's a schematic and hex code for a pic temp sensor. I'm building a pic temp display circuit but mine needs to read a thermocouple and be able to get upto 1000C.
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Hope it helps. Oh and you can get the maxim chips as samples.
pic stepper driver
I'll keep working on it. Another idea is to use the pic as a controller that runs some driver chips. I have some other allegero samples that i have played with. They can be driven by the printer port. Thanks for the info.
I'm trying to find out if there is any schematics for having a pic read a thermocouple then display to an lcd with presets and a realay control. I would like to have the pic control the burner on my DIY aluminum melting fournace. I am looking at using the max6655 chip and then say a pic 877a or...
stepper driver schematic
I'm looking for a pic 16f877a stepper driver schematic and any code i can find. The plan is to have a pic run a 3 axis cnc router table with input from the serial port of a desktop computer. I have already gone through the piclist.
Using max232a and a pic16f877a and...
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