• Home
  • News
  • Magazine
  • Shop
  • Subscribe now
  • Forum
  • Service

Search

Products

My Elektor

Log in

Email:

Password:

Remain logged in

Password forgotten?
Register

Shopping cart Shopping cart

Info Elektor Credits: 0

Home › Magazines › 2008 › July/August › Solar-powered Battery Charger

‹ previous
next ›

Solar-powered Battery Charger

Published in issue 379, July/August 2008

Solar-powered Battery Charger
It takes only a handful of components to build our intelligent regulator. It uses a PIC 12C671 microcontroller, which has the double advantage of being housed in an 8-pin DIL package and containing a multi-input analogue/digital converter (DAC).

Components

Relevant websites

Free downloads

Resistors
R1 = 15kOhm
R2-R4 = 5kOhm6
R5,R7 = 2kOhm2
R6,R8 = 820Ohm
P1,P2 = 1kOhm potentiometer
Capacitors
C1 = 470 µF 25V
C2,C5,C6 = 100nF
C3 = 220nF
C4 = 10nF
C7 = 10µF 25 V
Semiconductors
D1= 1N5821
D2,D3 = 1N4148
D4 = 1N4004
D5 = zener diode 4V7 400mW
Q1,Q2 = BC548
IC1 = 78L05
IC2 = PIC12C671, programmed, see Downloads
Miscellaneous
Rel1,Rel2 = relay, 10A contact
F1 = fuse, 2A
4-way SIL pinheader
6 PCB terminal blocks, 5mm lead pitch
1 wire bridge
PCB, ref. 080225-I from www.thepcbshop.com

Click below to download a PDF copy of this article from Elektor magazine.

 

Downloads 
Article PDF
10 Elektor Credits
PCB PDF
Free download
 

Order from Elektor 
Programmed controller PIC12C671
080225-41 (USD 14.60)
 

Free downloads 

Software

Free download
Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

Subscribe now

Subscribe now
Subscribe now
Browse online
More

Subscribe to our free
E-weekly Newsletter!

Enter your Email address:

Follow Elektor

      

Act now!

> Become an Elektor Member

> Register for E-weekly

> To Elektor-plus.com

> Become a supporting company

> To FAQs

FAQ

Before submitting questions, review our FAQ section!

Bestseller

Microprocessor Design using Verilog HDL

This book is a practical guide to processor design in the real world. It presents the Verilog HDL in an easily digestible fashion and serves as a thorough introduction about reducing a computer architecture and instruction set to practice. 

More

Package Deals

Elektor Bundles

Check our Package Deals and save money! Discounts up to 19% now available!

More

Price Slashed

Elektor OSPV

This Open Source People Vehicle is perfect for factory halls, warehouses, hospitals, colleges, schools etc.

More

Elektor PCBs at 25% OFF

© 2012 Elektor•Feedback•Media Data•Disclaimer•General conditions•Sitemap•RSS