Search found 5 matches

by jon bondy
Mon Feb 09, 2015 3:46 pm
Forum: JeeNode and Wireless
Topic: Carrier hopping
Replies: 1
Views: 3451

Carrier hopping

We are using the standard RF12 demo software. We are having reliability problems with the RF12B transceiver, which is causing arbitrary delays. When we view the transmissions using an HP8920A Communications Test Set using the spectrum analyzer feature, we see that the radio transmissions occur over ...
by jon bondy
Sun Nov 18, 2012 10:42 am
Forum: JeeNode and Wireless
Topic: what to do when it does not work
Replies: 4
Views: 7096

Re: what to do when it does not work

Ah. I needed a rf12_sendWait.
by jon bondy
Sun Nov 18, 2012 9:39 am
Forum: JeeNode and Wireless
Topic: what to do when it does not work
Replies: 4
Views: 7096

Re: what to do when it does not work

This code turns a light on, emits a beep, and waits for someone to touch an input; it also will time out after 5 seconds. After the "for" loop, I try to send a message back to another node (#26). While that message is being transmitted, the CRC is wrong. Any idea what is wrong with the last 10 lines...
by jon bondy
Sat Nov 17, 2012 3:44 pm
Forum: JeeNode and Wireless
Topic: what to do when it does not work
Replies: 4
Views: 7096

Re: what to do when it does not work

I guess that you are no longer pre-loading the demo on the JeeNodes.
by jon bondy
Sat Nov 17, 2012 2:26 pm
Forum: JeeNode and Wireless
Topic: what to do when it does not work
Replies: 4
Views: 7096

what to do when it does not work

I ordered a JeeLink (which works) and a BUB II, a JeeNode and a Power Board. The Power Board appears to work, but that is beside the point, because I cannot get the JeeNode to work when powered by the BUB. The documentation for the power board is meager. I think that I have things right for piggy ba...