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參數資料
| 型號： | mp022 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Cost Iron Safety Timer |
| 中文描述： | 低成本鐵安全定時器 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 22K |
| 代理商： | MP022 |
1997 Microchip Technology Inc.
DS40160A/3_022-page 3-15
Microchip Technology Incorporated, has been granted a nonexclusive, worldwide license to reproduce, publish and distribute all submitted materials, in
either original or edited form. The author has affirmed that this work is an original, unpublished work and that he/she owns all rights to such work. All
property rights, such as patents, copyrights and trademarks remain with the author.
Low Cost Iron Safety Timer
INTRODUCTION
Clothes irons and curling irons are high powered appli-
ances that can start house fires. Many times after leav-
ing for work you forget if you shut-off or unplug the
dangerous appliances. This timer will allow the appli-
ance to have power for only a fixed amount of time
(without motion/use). Then it will shut-off power. A reset
switch will restart the appliance.
FIGURE 1:
FLOWCHART
FIGURE 2:
SCHEMATIC
Author:
Jason Wolfson
Lipider Corp.
Duxbury ,MA
USA
email: jason@ultrnet.com
Decrement time
Time-out
Power-up
Turn on Triac
Turn off
Check switch
No
Yes
No
Yes
Zero Detect
No
Yes
PIC12C508
Load
Vcc
GP2/TOCKI
GP3
GP1
SIMPLECIRCUIT
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