工业控制 | 能源技术 | 汽车电子 | 通信网络 | 安防监控 | 智能电网 | 移动手持 | 无线技术 | 家用电器 | 数字广播 | 消费电子 | 应用软件 | 其他方案

参考设计

首页->国外电路图->国外电路图(一)

技术分类： 国外电路图(一)   

Metal Detector

dolphin 2009-08-25

The circuit described here is that of a metal detector. The opera- tion of the circuit is based on superhetero......

Metal Detector

Sound Controlled Filp Flop

dolphin 2009-08-25

escribed here is a very inexpensive solution to many phono-controlled applications like remote switching on, f......

Sound Controlled

Ultrasonic switch

dolphin 2009-08-25

C ircuit of a new type of remote control switch is described here. This circuit functions with inaudible (ultr......

Ultrasonic switch

Color Sensor

dolphin 2009-08-25

Colour sensor is an interesting project for hobbyists. The cir- cuit can sense eight colours, i.e. blue, green......

Color Sensor

Magnetic proximity sensors

dolphin 2009-08-25

Here is an interesting circuit for a magnetic proximity switch which can be used in various applications. The ......

Magnetic proximity sensors

Dew sensor

dolphin 2009-08-25

Dew (condensed moisture) ad- versely affects the normal per- formance of sensitive electronic devices. A low-c......

sensor

Ultrasonic switch

dolphin 2009-08-25

C ircuit of a new type of remote control switch is described here. This circuit functions with inaudible (ultr......

Ultrasonic switch

Magnetic proximity sensors

dolphin 2009-08-25

Here is an interesting circuit for a magnetic proximity switch which can be used in various applications. The ......

Magnetic proximity sensors

Color Sensor

dolphin 2009-08-25

Colour sensor is an interesting project for hobbyists. The cir- cuit can sense eight colours, i.e. blue, green......

Color Sensor

Remote control using telephone

dolphin 2009-08-25

Here is a teleremote circuit which enables switching 憃n?and 憃ff?of appliances through telephone lines. It can ......

Remote control using telephone
|‹ « 3 4 5 6 7 8 » ›|
站长统计
×

Digikey let's do
· 2025年第1期限时报名开启，5月8日截止
· Digikey助力，提供一站式免费器件支持
· 跟大佬一起 【DIY 功率监测与控制系统】