CURRENT ISSUE
Contests
FEATURE ARTICLE
|
|
Issue #216 July 2008
Second Place Microchip 2007 Design Contest
’Net-Enabled Alarm Clock
by DJ Delorie
Start | System Overview | Network | Display | MP3 | ADC | Memory | Power | Software | Time | Alarms | GUI | Remote Protocols | Construction & Packaging | Smart Combinations | Sources & PDF
SOURCES & PDF
Editor’s note: Additional schemtics, diagrams, and photos for this project are available at www.circuitcellar.com/ microchip2007/winners/second.html.
DJ Delorie (dj@delorie.com) holds an E.C.E. degree from Clarkson University. He has experience designing PC motherboards and network management software. DJ now writes embedded development tools for Red Hat. He is also the creator of DJGPP and a contributor to the gEDA project. Visit his blog at www.delorie.com/electronics/alarmclock.
PROJECT FILES
To download code and additional files, go to ftp://ftp.circuitcellar.com/pub/Circuit_Cellar/2008/216.
REFRENCES
[1] D. Mills, “RFC2030: Simple Network Time Protocol (SNTP) Version 4,” www.rfc.net/rfc2030.html.
RESOURCES
S. Brorson, “Optical Proximity Sensor for Robots Part 1: Simple PCB Design with the gEDA Suite,” Circuit Cellar 188, 2006.
———, “Optical Proximity Sensor for Robots Part 2: Open-Source PCB Layout Editor,” Circuit Cellar 189, 2006.
gEDA Project, www.geda.seul.org.
Microchip Technology, Inc., “ENC28J60 Data Sheet: Stand-Alone Ethernet Controller with SPI Interface,” DS39662C, 2008.
———, “MCP6001/1R/1U/2/4: 1 MHz, Low-Power Op Amp,” DS21733G, 2007.
———, “PIC24FJ64GA004 Family Data Sheet: 28/44-Pin General Purpose, 16-Bit Flash Microcontrollers,” DS39881C, 2008.
———, “24AA512/24LC512/24FC512: 512K I2C CMOS Serial EEPROM,” DS21754H, 2007.
PJRC, “How To Use The STA013 MP3 Decoder Chip,” www.pjrc.com/mp3/sta013.html.
SOURCES
ENC28J60 Ethernet chip, PIC24FJ64GA002 microcontroller, and 24LC512 EEPROM
Microchip Technology, Inc.
www.microchip.com
STA013 MP3 Decoder
STMicroelectronics
www.st.com
Previous *| Subscription Deals |*
|
