NEW (10/29/2007) - DC Beeper kit
The DC Beeper is a Morse code voltmeter / battery saver / DC switch kit.
It offers:
![[DC Beeper kit picture -
click for larger version]](dcbeepsm.jpg)
reads the supply voltage in Morse code, 20 mV resolution
code speed can be varied from 5 to 35 wpm in ARRL steps
use with supply / battery from 4 to 15 volts
battery saver: automatically shuts off power when voltage falls below a trip voltage
also, a timer can shut off power to a load at 10, 20, 30, 60 or 120 minutes
the load can also be switched manually
low power usage, normally micro-amps
all board mounted parts included, just add a piezo speaker, switch and your favorite battery connectors to complete the kit
For more details, please download the DC Beeper manual, the
schematic
and the hookup diagram
in Adobe Acrobat format.
kit price (no manual) is $10, add a kyocera piezo to the kit for $1
Add $3 USA shipping/handling, any quantity
DX (outside the USA) add $3.00 to USA prices
Need a switch ? Check the
Switch and Parts store for some good ones at good prices !
To purchase the DC Beeper kit, print out a Kit
order form to figure your order manually
or try our: javascript order form
to let your browser do the math!
OR to pay with a credit card use the Paypal shopping cart buttons below.
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Downloadable files for DC Beeper
The Acrobat files of complex diagrams (like the schematic) may not view well
on your computer screen - suggestion: use the magnifier to zoom in for better
detail or print out the file.
dcbeep2m.pdf
(23k) - an Acrobat file of the DC Beeper manual
dcbeep2.pdf
(40k) - an Acrobat file of the DC Beeper Schematic diagram
dcbeephu.pdf
(24k) - an Acrobat file of the DC Beeper Hookup diagram
dcbeeper.jpg (58k) - a JPEG picture of the DC Beeper kit
Page accesses: 
![[DC Beeper kit picture -
click for larger version]](dcbeeper.jpg)