| ??? 09/26/03 10:23 Read: times |
#55544 - Remark: <The result> Responding to: ???'s previous message |
I can make the carrier signal by a 555. I've succeeded in sending a 8 bit signal over 5 metres. After that, I'm now trying to make the distant more longer. The IR LED is directly connected to the 555.
I'm now trying to send the signal by connecting a BD681/8050/9014/9018/C1815 for the IR LED as a buffer. But this time, the IR receiver(3pin) stop output the signal when I keep sending the data after a few second(the signal is still sending, observed by oscilloscope) If the carrier is 36kHz(I've tried 27->100kHz), so if I send a 36kHz to the receiver, it will output a "Logic 1"? The receiver stop output after a few second. So I guess the problem may comes from the transmitter. What's wrong? Stanley |
| Topic | Author | Date |
| Does anyone know... <IR communication> | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| Remark: <The result> | 01/01/70 00:00 | |
| RE: Remark: <The result> | 01/01/70 00:00 | |
| Transimitter circuit? | 01/01/70 00:00 | |
| RE: Transimitter circuit? | 01/01/70 00:00 | |
| RE: Transimitter circuit? | 01/01/70 00:00 | |
| please make the image size smaller | 01/01/70 00:00 | |
| RE: please make the image size smaller | 01/01/70 00:00 | |
| RE: please make the image size smaller | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| RE: Does anyone know... <IR communication> | 01/01/70 00:00 | |
| Check this . | 01/01/70 00:00 | |
| RE: Check this . | 01/01/70 00:00 | |
RE: Check this . | 01/01/70 00:00 |