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- Mon Jun 15, 2015 12:52 am
- Forum: RX315/RX433: 315MHz and 433MHz Receiver Shields
- Topic: Wireless Ultrasonic Tank Level Meter?
- Replies: 4
- Views: 17911
Re: Wireless Ultrasonic Tank Level Meter?
Hi, Late response I know, but in case someone else comes across it; The 2 protocols are completely different. The XC-0331 uses a pulse-width method of sending 1's & 0's and all nibbles (18 of them) are bitswapped, ie; 1100 sent over the air is bitswapped to 0011. Logic 0 = 480uS Logic 1 = 960uS Thus...