diff --git a/src/SUMMARY.md b/src/SUMMARY.md
index 0545f57..ff14a0f 100644
--- a/src/SUMMARY.md
+++ b/src/SUMMARY.md
@@ -31,6 +31,7 @@
   - [震动探测](./ch62_detecting_vibration.md)
   - [感光灯](./ch63_photosensive_light.md)
   - [红外接收管](./ch64_ir_receiver.md)
+  - [红外发射器](./ch65_ir_transimitter.md)
 - [应用](./ch7_application.md)
   - [交通信号灯](./ch71_traffic_light.md)
   
\ No newline at end of file
diff --git a/src/ch65_ir_transimitter.md b/src/ch65_ir_transimitter.md
new file mode 100644
index 0000000..0691ba0
--- /dev/null
+++ b/src/ch65_ir_transimitter.md
@@ -0,0 +1,2 @@
+# 红外发射器
+(由于Infrared库需要依赖旧版本的embedded-hal，而avr-hal的pwm并没有为实现PwmPin Trait，因为他已经在embedded-hal 1.0版本中被移除了，所以，目前没有找到更好的办法实现红外发射)
\ No newline at end of file