Development and parts for 24v to TTL IO board

Update 2016 3 1 - finished board

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Development and parts for 24v to TTL IO board

a visual explanation of transistor basics from the kind folks at sparkfun



https://learn.sparkfun.com/tutorials/transistors/applications-i-switches


4 channel opto isolator array

http://optoelectronics.liteon.com/upload/download/DS-70-97-0013/S_110_LTV-816%20826%20846%20(M,%20S,%20S-TA,%20S-TA1,%20S-TP)%20Series.pdf
http://www.digikey.ca/product-detail/en/LTV-846S/160-1365-5-ND/385835


4 channel NPN transistor array

https://www.fairchildsemi.com/datasheets/FF/FFB2222A.pdf
http://www.digikey.ca/product-detail/en/MMPQ2222A/MMPQ2222ACT-ND/458989

Flyback Diode
http://www.digikey.ca/product-detail/en/SD101AW-TP/SD101AWTPMSCT-ND/717414
http://www.mccsemi.com/up_pdf/SD101AW-SD101CW(SOD-123).PDF

Mosfet switch basics





breakout parts

74AC245S   https://www.fairchildsemi.com/datasheets/74/74AC245.pdf
PIC 12F629 http://ww1.microchip.com/downloads/en/devicedoc/41190c.pdf
HC00          http://www.ti.com/lit/ds/symlink/sn74hc00.pdf


spindle control

LTV847       http://www.us.liteon.com/downloads/LTV-817-827-847.PDF
SN74HC13N http://www.ti.com/lit/ds/symlink/sn74hc14.pdf
LM2907AN   http://www.ti.com/lit/ds/symlink/lm2907-n.pdf
ULN2003A   http://www.ti.com/lit/ds/symlink/uln2003a.pdf
KA7812       http://pdf.datasheetcatalog.com/datasheet/fairchild/KA7812.pdf
L7805CV     http://www.farnell.com/datasheets/1805459.pdf
1N4004      https://www.fairchildsemi.com/products/discretes/diodes-rectifiers/rectifiers/1N4004.html