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hello again

this is the schematic i rush it little bit but it can give you idea about the hardware

326324
326326

all inkjet printer has encoder wheel (arrount 1400 ppr) an their quadrature reader ( 6 leads)
also they have linear strip encoder (about 30 cm length) can be used for z axis

programming is done in C with ccs compiler
the programme handle encoder resolution 1X to incremente timer0 and timer1 to get the count
it also able to tune P.I.D, max error , integral...

for my design i can go to 1000 mm/min in three axis that the safest way for the first attemp with acceptable error
to increase speed i can change the axes with higher pitch or decrease the...

hello

this is my diy cnc from scratch :

pic16f88 servo pid step driection controlled mach3 or emc2 (the encoder i used are from old deskjet printer)

anyone interested can email me

...

welcome

i have num 1040 my problem is

unlugged the sram so the program is lost and enable to get it back because i lost backup files and software tools for uploading

i will appreciate...