檢視 Application - Keyes 38KHz IR Infrared Transmitter Module 的原始碼

== install lirc ==
 sudo apt-get install lirc liblircclient-dev

== /etc/modules ==
<pre>
add following two lines:

lirc_dev
lirc_rpi gpio_in_pin=18
</pre>

==/etc/lirc/hardware.conf ==
<pre>
# Arguments which will be used when launching lircd
LIRCD_ARGS="--uinput"
 
# Don't start lircmd even if there seems to be a good config file
# START_LIRCMD=false
 
# Don't start irexec, even if a good config file seems to exist.
# START_IREXEC=false
 
# Try to load appropriate kernel modules
LOAD_MODULES=true
 
# Run "lircd --driver=help" for a list of supported drivers.
DRIVER="default"
# usually /dev/lirc0 is the correct setting for systems using udev
DEVICE="/dev/lirc0"
MODULES="lirc_rpi"
 
# Default configuration files for your hardware if any
LIRCD_CONF=""
LIRCMD_CONF=""
</pre>

== Keyes IR Transmitter/Receiver with Arduino ==
[[File:Keyes ir trans recv.jpg|thumb| Keyes, IR Transmitter/receiver package]]
[[FILE:Keyes ir receiver.jpg|thumb| Keyes, IR receiver]]
[[File:VS1838B.jpg|thumb| Keyes, IR receiver/VS1838B]]
<pre>
型号:VS1838B
1．简介：
VS1838B 内含高速高灵敏度 PIN 光电二极管和低功耗、高增益前
置放大 IC,采用环氧树脂封装外加外屏蔽抗干挠设计，该产品已
经通过
REACH
和
SGS
认证属于环保产品，
在红外遥控系统中作为
接收器使用。
2.特性：
●环氧树脂封装外加外屏蔽抗干挠设计；
●宽工作电压，2.7-5.5V；
●低功耗；宽角度及长距离接收；
●抗干挠能力强，能抵挡环境干挠；
●输出匹配 TTL、CMOS 电平，低电平有效。
3．应用:
■视听器材(音箱,电视,DVD,卫星接收机等)；
■家庭电器(空调,电风扇,灯饰等)；
■其它红外线遥控产品。
</pre>

== reference ==
* [http://www.lirc.org/ LIRC, Linux Infrared Remote Control]
* [http://ozzmaker.com/2013/10/24/how-to-control-the-gpio-on-a-raspberry-pi-with-an-ir-remote/ How to Control the GPIO on a Raspberry Pi with an IR Remote]