JeeLabs . net

21-05-2013

15:02 JeeLabs Café General: RE: JeeNode with dual RFM2B

> #define SPI_SS 10 // PB2, pin 16
That one needs to stay as is. The SS/PB2 pin has to be set to an OUTPUT...

20-05-2013

00:52 JeeLabs Café General: RE: JeeNode with dual RFM2B

IRQ lines are usually implemented as open-collector, so they can be wired together. Perhaps a quick test: add a resis...

22:56 JeeLabs Café General: RE: JeeNode with dual RFM2B

There's a rf12_set_cs() in the RF12 driver (see RF12.cpp), but that's only part of the story. The interrupts code wil...

17-05-2013

11:17 JeeLabs Café General: RE: DIN rail for JeeNode

Wow... soooo neat! Literally ;)

09-05-2013

11:34 JeeLabs Café General: RE: Combining the scheduler and the Serial port

Ah, interesting puzzle: the serial link hardware is not running in low-power mode (low-power runs with all clocks tur...

05-05-2013

11:01 JeeLabs Café Support: RE: Jeenode (433mhz v6) Heating Up

Looks like you have the radio on the wrong way around. It's going to be _very_ hard to fix this. Get solder wick to r...

29-04-2013

21:26 JeeLabs Café HouseMon: RE: Node 0.10.5 for RPi out

Thx - I've updated http://jeelabs.org/2013/02/15/dijn-08-set-up-node-js-and-redis/

10:47 JeeLabs Café Support: RE: What are the proper fuse settings when using ISP to flash ISP_REPAIR2.hex to a jeeno...

It's an Arduino, the fuse settings are the same. You can use the Arduino IDE to reflash the bootloader and sketches. ...

28-04-2013

22:58 JeeLabs Café Support: RE: LCDplug and Arduino MEGA 2560

If you use the hardware I2C pins, then the code probably needs to be set to port 0. I'm not at my desk the next few d...

22:54 JeeLabs Café Support: RE: Current measurements

I use 10 ohm. At 15 mA, you get a 150 mV signal that way, good enough for most scopes. Ohm's law is your friend.