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=== limiti minimi ===
=== limiti minimi ===


Ni-Mh: 0.9
* Ni-Mh: 0.9
LiPo: 3.7 senza carico
* LiPo: 3.7 senza carico
LiFePo: 2.5 senza carico
* LiFePo: 2.5 senza carico


== LED ==
== LED ==

Revision as of 17:38, 28 January 2015

Fotofori robusti

Batterie

limiti minimi

  • Ni-Mh: 0.9
  • LiPo: 3.7 senza carico
  • LiFePo: 2.5 senza carico

LED

XLamp XM-L EasyWhite http://www.cree.com/LED-Components-and-Modules/Products/XLamp/Arrays-Directional/XLamp-XML-EasyWhite

http://www.cree.com/~/media/files/cree/led%20components%20and%20modules/xlamp/data%20and%20binning/xlamp7090xre.pdf

  • XREWHT-L1-0000-007E7 3000K, 67.2 lm @ 350 mA
  • XREWHT-L1-0000-007F8 2900 K

Cree MC-E

4 chip, 700 ma, 110'

http://www.ledrise.com/files/cree%20mc-e.pdf http://www.ledrise.com/product_info.php?info=p655_Cree--MC-E-LED-J-bin-Warm-White-560lm-MCE4WT-A2-0000-000JE7-2cm-Star-PCB.html

LENTI:

Carclo 10193 http://www.carclo-optics.com/optic-10193?ledmanufacturer=cree&ledfamily=mc-e&opticfamily=20mm&beamangle=1%20to%2010%20degrees Carclo 10513

Ostar

LE CW E2B-MXNY-N3P5-I http://docs-europe.origin.electrocomponents.com/webdocs/0a05/0900766b80a0509b.pdf

Oslon

100 - 800 ma, 80', ok per luce prossimita'

http://www.osram-os.com/Graphics/XPic6/00082394_0.pdf/LCW%20CQ7P.CC.pdf 800ma, 80°

PCB

LENTI:

Riflettori

http://www.fraensrl.com/images/Fraen_FRC_Datasheet.pdf

Regolatori

Step up


buck

IRLML2502 http://www.irf.com/product-info/datasheets/data/irlml2502.pdf

Buck Boost


Current sensing

Sincrono

High Side Drivers

Asincrono

duty cycle
up
(3.3 ∕ 4.8) = 0.68
down
0.31
efficienza
0.31 ⋅ (0.385 ∕ 3.3) ≈ 0.03 di perdita sul diodo

Diodi

uC

pic12f1840 http://ww1.microchip.com/downloads/en/DeviceDoc/41441B.pdf

Mappa pin

Pin Funzione Nome porta sul uC I/O
1 VDD
2 pwm_spot P1A RA5 O
3 pwm_flood P1B RA4/AN3 O
4 led/mclr MCLR RA3/MCLR O
5 battery RA2/AN2 I
6 sw_flood/cps_flood/ICSPCLK RA1/AN1 I
7 sw_spot/cps_spot/ICSPDAT RA0/AN0 I
8 Vss

Capacitive Touch Sensing

http://ww1.microchip.com/downloads/en/AppNotes/00001334B.pdf Techniques for Robust Touch Sensing Design

Prototipo

Boost 2.7-5.5V, 350mA:

Boost 2.7-5.5V, 790ma:

Boost 0.8-6V, 100ma: