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Thank you Gordon! I'll try it out!

Hello Gordon,

you rock!! I've review the wiring in this particular part and now it works great for me! I'm now able to plug the NRF24L01+ in on my Espruino with a bunch of female-to-female-wires.

One additional question: What are your experiences with range of NRF24L01+? How can you increase it?

Thank you very much,

Stefan

The correct wiring:

NRF24L01+   Name    Espruino    Type
1       GND GND     GND
2       3.3V    3.3     3.3v
3       CE  A0      GPIO Out
4       CSN A1      GPIO Out
5       SCK B3      SPI SCK
6       MOSI    B5      SPI MOSI
7       MISO    B4      SPI MISO
8       IRQ unused      GPIO In

Hello everybody,

the tutorial on "NRF24L01+" is not working for me:
http://www.espruino.com/NRF24L01P

It's driving me crazy, because I always get the following message on the master:

>nrf.sendCommand("1+2", function(r) { print("=="+r); });
TX not received 255
TX not received 255
TX not received 255
=undefined

Any suggestion are welcomed very much, as I need an working NRF24L01+ for a futur project!

Thank you very much,

Stefan

My connections:

NRF24L01+	Name	Espruino	Type
1		GND	GND		GND
2		3.3V	3.3		3.3v
3		CE	A0		GPIO Out
4		CSN	A1		GPIO Out
5		SCK	B3		SPI SCK
6		MOSI	B4		SPI MOSI
7		MISO	B5		SPI MISO
8		IRQ	unused		GPIO In

My testcode:

Slave:

SPI1.setup({sck:B3, miso:B4, mosi:B5});
var nrf = require("NRF24L01P").connect( SPI1, A1, A0 );
function onInit() {
  nrf.init([0,0,0,0,1], [0,0,0,0,2]);
}
function toggle1(){
  on1=!on1;
  digitalWrite(LED1,on1);
}
onInit();
setInterval(function() {
  toggle1();
  nrf.slaveHandler();
}, 50);

Master:

SPI1.setup({sck:B3, miso:B4, mosi:B5});
var nrf = require("NRF24L01P").connect( SPI1, A1, A0 );
function onInit() {
  nrf.init([0,0,0,0,2], [0,0,0,0,1]);
}
onInit();
setInterval(function() {
  nrf.masterHandler();
}, 50);

Good joke :-) we've got a female model ...
The temperatur sensor is integrated in the baby's bed, so the little one can sleep peacefully.

Thanks for your feedback!

I've integrated the 32,768KHz quarz crystal in the code (newer version of the code). I use this for logging purpose. The reason why I'm logging via bluetooth is the easy integration and my love to the command line :-) and the bidirectional communication. You see how flexible the espruino is, because I could also log to a SDHC-card...

The signal has a range of around 10 to 15 meters, so enough for my flat.

Hi everyone,

as we have got a newborn, I've turned the Espruino in a intelligent temperatur sensor, which monitors the Babies temperature. If it exceeds a value of 37.5 degree Celsius, a visual and acoustic warning signal starts and helps the parents to prevent the baby from overheating.

The tutrial is in German, but on the side, a translation function is integrated:

http://blog.milsystems.de/2014/05/babythermometer-microcontroller-ueberwacht-baby-bluetooth-variante/

I hope, that this is useful for others here.

Stefan

Hello Gordon and DrAzzy,

you're great! Both solution work well for me! In fact the "Serial1.setup(9600,{tx:B6,rx:B7}); " solution is more clear for somebody, who don't know the default pins. Perhaps this can be integrated in the http://www.espruino.com/Reference#Serial Reference (which I find very useful).

Many thanks for this quick answer!

Stefan

Hello,

I've bought a HC-05 Für Arduino hp and the connection to my Blueterm-App (Android) and also to my Debian-Linux-PC (over Blueman or commandline) were successfull.

So I wanted to try out the tutorial http://www.espruino.com/Project+7. Instead of soldering the Bluetooth-module to the Espruino-Board, I wanted to plug it in with some jumper wires, as other connections are possible according to http://www.espruino.com/Wiring+Up.

My connection is:

HC-05 : Espruino
GND : GND
3.3 : 3.3
TXD : B7
RXD : B6

My problem is, I can't receive any data over the connection.

I tried out the following script, I found in the forum:

function onInit() { Serial1.setup(9600);}
Serial1.onData(function (e) {  print("--->"+e.data); });
setInterval(function() {
  Serial1.println("Hello");
}, 1000);

I would be glad, if somebody could help me!

Stefan

I've soldered my first battery clip yesterday. It worked great, so I'll try it out with different types of batteries. Especially your advice to only use small dab of solder is important. Attached, I've taken a photo of the result.

Hi Gordon,

Thank you very much for the infos!

How did you manage the connection to the B6, as there are special connections required? So what have you used as "two leads" --> for B6 you need a "Banana Plug" for the direct connection? And is it correct to use a Male one, not a Female for the charging wire? I think the male is at the batteries...

Would instead ebay or progressiverc also fit for B6? They look quite suitable for me.

To build a PHR-2 connector, you need a

• JST (JAPAN SOLDERLESS TERMINALS) - SPH-002T-P0.5S. - CONTACT
  
• JST (JAPAN SOLDERLESS TERMINALS) - PHR-2 - HOUSING
  and solder them together like any other JST-Connector (https://www.youtube.com/watch?v=54hq2s3kTJk
  ). Right?
  
  

Sorry for the noob questions ;-) (soldering is no problem for me), but I want to have all the parts I need altogether for an order.

Kind regards,

Stefan

Hello,

I'm from Germany and like the espruino very much! As I want to buy a suitable add-on for my B6 iMAX and a LiPo-battery I visited http://www.espruino.com/Battery.

Even though I have questions:

• Is the "Parallel Charging Balance Board for Lipo LiFe Li-ion IMAX B6 Battery Charger DIY" suitable for the JST PHR-2 2 Pin connector battery?
  
  

(Link to ebay: http://www.ebay.com/itm/Parallel-Charging-Balance-Board-for-Lipo-LiFe-Li-ion-IMAX-B6-Battery-Charger-DIY-/191142911532?pt=Radio_Control_Parts_Accessories&hash=item2c81015e2c)

• Can someone suggest me a BATTERY-LIPO1400mAh (or even better a suitable search string for ebay) like the one from olimex.com on ebay, as I want to save shipping costs?
  
  

Many thanks in advance,

Stefan