DIY IR interface
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjkGQqsCR89wNgUOJcc-fs65QgoDbFQb2sSDqJwC71n75F1zlcvIBVMNTdnp7XprydDRs21hMpUPgI-NlGTOQsEYjupwFOHmATs0Csu3Ah6kF32SroU2T28eUA6E2xzu7Rje7AVeIzsxQIy/s200/irda_circuit.gif)
This circuit is also from www.electronics-lab.com.
Since it is very hard for me to get the infrared interface (TFDU4100), I start to look in the old/damage handphones.
It looks something like this.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiLVXAnIXtzbXaIMQRSBMSwGocYbpgZBgK8tMWlHAHAG7EVDIeH6wJcR0syIvagXlRsQBTvn21_6wDhQcE3pA7W668eYPsizNeXQy-k6U5YmusrZrNcqDeicffZdP9Hij0s60IjGhmWh2BW/s200/ir_module_8850.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdrM736SjmAEaGCPQeGAp7l1zIfBH6B0VZwLgRhWjJk8Fle_FWohKYXEiKT0WXwbFJ9tdgvsusehMfsELvxkHqUe_x6JaYjN1AGb2ZM4-f_KGaaZbvxkMNbYBDGsrjtbrDsgnWgQBtG52r/s200/ir_module_6600.jpg)
Now, you need to remove it using the hot air blower perhaps.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9eLZFuhmbdqRUrtcxL9hvlWASYQBOuRAkB9PsnPf4LswMZqy7qR7U5vyU3OjKpyesdBBagpjSlKh9rYlQt67tXXc1PVhp3f6kXDCDAbg1OyTBjY8i8br-ImbjGvGltNa4G0AsHjNLkE4I/s200/smd_rework.jpg)
Connecting to motherboard
Please refer to www.electronics-lab.com
on how connect this irda module to your motherboard.
My IrDA
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXGzDQ7upqBNdrIBCmHQQAEqlT5HOyJ2dYj3gYncJk0T_xoWe4avo71Se9Ay_gJV-TCe5hgqzukjaSnnkXwlIi7Be8v0o2bhDB6EbZk_qulX9EGhVcTxeBBh5Z6af9JGApYzjJOjMGcf7J/s200/my_irda_1.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEguxxVxeh9v5h9gQPbViM83ualCjazq80aPi3fxKjJpK0pF08SJtZWQwsnITZ-ik4w4tbE3HKnNV5mQdsCCmLBZGkRcYoTu8fV2L4kd8KKN6tNh1-2hmpfE538n6oHoVdOr2qA1kOQM8G4W/s200/my_irda_2.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhgCD6nru66ruC5Al0M7qzwYOZEfzUSmV3CwUKAgCwW8JueRHOkxbE1q773dMtWrowqRNduSDU21FxTt-nVEOdWoeWCIx4hmCyVEjvJHmxhqcANakf36J_7VRMQ793_VGbfUD_xPlWTyHZe/s200/my_irda_3.jpg)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhq4xpCi7glR7uz5pK8EWZWXR56QdMRiDOJAkHwCJwHIRVpIlEplM007ZblB7hkyhmK6FQHe-uNcf45m62FVGDOIM8EOT9QEXMjpzcrHn21eWxk7ctpFRzrjKNJe5OvV-_su-Qso6Nt9gC-/s200/connecting.jpg)
Infrared Transceiver Modules
Here are the pin layout and picture of the device.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLQXu_S_QXLn2RUwFUBiQpXdKtluDXMrUwzm9dx23vB9qWnxT48SZounHRobyHTJCs3CjtuS18MYWin6XTSYEIQoEAKJzvbIG4DcJAwRaMMG5dsyKyu5qeZ6d_0RzvZ8ZACg3Y68MoNXTl/s200/TFDU4100_1.gif)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilTXsQokXU_0jAEGaSGT4w5JivwCuut3OhUU63jHGSZIc7fFjuKuwx1R042v87t_sDASgB_cqsm24MrN78pYHkkE9WiWpVyCwNwaV_fKhGD_zUDZtbr5pZyWZ_MBWm-EVEMJAn-RvMSlNJ/s200/TFDU4100_2.gif)
Pin Description of TFDU4100
Pin Number | Function | Description | I/O | Active |
---|---|---|---|---|
1 | IRED Anode | IRED anode, should be externally connected to VCC2 through a current control resistor | ||
2 | IRED Cathode | IRED cathode, internally connected to driver transistor | ||
3 | Txd | Transmit Data Input | 1 | High |
4 | Rxd | Received Data Output, open collector. No external pull–up or pull–down resistor is required (20 k. resistor internal to device). Pin is inactive during transmission. | 0 | Low |
5 | NC | Do not connect | ||
6 | VCC1/SD | Supply Voltage / Shutdown | ||
7 | SC | Sensitivity control | 1 | High |
8 | GND | Ground |
0 comments:
Post a Comment