SpeLuce

Fotofori robusti

Batterie

• 2 x NiMH
• 2 x Alcaline
• 1 x LiFePO
  • http://hobbyking.com/hobbyking/store/__32562__Turnigy_nano_tech_2100mAh_2S1P_20C_LiFePo4_Transmitter_Pack_Futaba_T14SG_EU_warehouse_.html
  • WINA 8ah

LED

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

Capacitive Touch Sensing

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

• http://ww1.microchip.com/downloads/en/appnotes/01171c.pdf How To Use The Capacitive Sensing Module (CSM)
• http://ww1.microchip.com/downloads/en/AppNotes/01103a.pdf Software Handling for Capacitive Sensing

buck converter

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

• http://www.onsemi.com/pub/Collateral/TND388-D.PDF Effects of High Switching Frequency on Buck Regulators
• http://www.ti.com/litv/pdf/snva598 Driving LEDs: To Cap or Not to Cap
• http://ww1.microchip.com/downloads/en/appnotes/01427a.pdf AN1427 High-Efficiency Solutions for Portable LED Lighting
• http://ww1.microchip.com/downloads/en/appnotes/01047a.pdf AN1047 Buck-Boost LED Driver Using the PIC16F785 MCU

Buck Boost

• http://www.onsemi.com/PowerSolutions/product.do?id=NCP3065

Current sensing

• http://ledsmagazine.com/features/10/10/15
• http://www.aosmd.com/res/application_notes/power-ics/PIC-007.pdf Selection of Three Locations of Current Sense Resistor in Buck Converter

Sincrono

• http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1824&appnote=en560160 Efficiency Analysis of a Synchronous Buck Converter using Microsoft Office Excel-Based Loss Calculator

High Side Drivers

• http://www.linear.com/product/LTC1982 Micropower High Side Switch Controllers in SOT-23

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

• http://www.st.com/web/catalog/sense_power/FM64/CL1571/SC541/SS1617/PF64858 Low Drop Power Schottky Rectifier 1A/0.385vf
• http://www.st.com/web/catalog/sense_power/FM64/CL1571/SC541/SS1617/PF64876 2A/0.43vf

uC

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

Mappa pin

pic12f1840

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

• http://www.element14.com/community/servlet/JiveServlet/downloadBody/27644-102-1-76820/01138A.pdf
• http://ww1.microchip.com/downloads/en/devicedoc/41214a.pdf PICmicro® CCP and ECCP Tips 'n Tricks
• http://www.epd-ee.eu/article/8346 10 LED Driver Problems Solved by the PIC12HV752 MCU

Step up

• http://www.linear.com/product/LTC3490
• http://www.microchip.com/wwwproducts/Devices.aspx?product=MCP1643
• http://www.ti.com/product/tps61085
• http://www.instructables.com/id/Make-a-microcontroller-based-boost-converter/?ALLSTEPS
• http://diodes.com/datasheets/ZXSC380.pdf semplicissimo, 200ma max, ok come emergenza
• http://www.ti.com/product/lm3410 2.5 - 6 v sot23 data sheet
• http://www.ti.com/product/lm3405a 1A, 3-22 Vin SOT-6

Riflettori

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

Diodi

• http://www.diodes.com/datasheets/BAT750.pdf SOT23 40V 750mA

Versioni

Boost 350mA:

• D http://www.diodes.com/datasheets/BAT750.pdf SOT23 40V 750mA
• L 10uH 1.2A (http://uk.rs-online.com/web/p/wire-wound-surface-mount-inductors/0573652/ nel proto)
• R 0.56 Ohm