My sensorboard MYS 1.0beta

[djdworks]

the CE and CS pin shall be different for each SPI you have connected on SPI bus.

The pins will act as follows

CE (chip enable) = with this pin, LOW or HIGH depending on the manufacturer, the SPI bus is connected like a switch to the device, when the device is not "connected to the bus" the pins will be in "high impedance" state. Sometimes CE is already connected with CS and is not available on device pinout.

CS (chip select) = this pin will enable the communication with the device.

I hope to have clarified the matter.

Some devices (like arduino TFT) have the possibility to have a dedicated SPI bus (MOSI MISO SCK CS RST) on any pin.

[Mrlynx]

I have now added a SPI-header (SCK/MOSI/MISO) and a smd footprint for a 24LCXXX flash memory.

[marceltrapman]

@Mrlynx said:

a smd footprint for a 24LCXXX flash memory.

Can you tell me how you wired things up?
I am looking how to do this but I am not sure.
Did you test it already?

[Mrlynx]

@marceltrapman
No I have not tested it yet.
I have just followed this exampel http://www.hobbytronics.co.uk/arduino-external-eeprom

[marceltrapman]

@Mrlynx said:

I have just followed this exampel http://www.hobbytronics.co.uk/arduino-external-eeprom

I now realise that you are using another chip than I am.

[Mrlynx]

Here is the final schematic on version 1.1 mys11.pdf.
I now have all components and boards for 100 kits on order.

[RJ_Make]

@Mrlynx said:

Here is the final schematic on version 1.1 mys11.pdf.
I now have all components and boards for 100 kits on order.

I may have missed it, but are you planing on selling these, and if so how much will you be asking?

[Mrlynx]

@ServiceXp Yes I am planning to try to sell these boards as a kit for 7$/kit.
It is going to be a diy kit with all components except 24LCxxx eeprom, radio and arduino pro mini.

[RJ_Make]

@Mrlynx When do you think they will be available ?

[Mrlynx]

@ServiceXp it depends on how soon I get all the components but maybe 4-5 weeks.

[Dvbit]

Do you pan to is sue also a battery based version?

[Mrlynx]

@Dvbit this board can be batterypowered but it has no step up module.
I am not planning any special battery version at the moment.

[C4Vette]

Can we pre-order? Maybe to help you pay for all this?
I would like two please.

[RJ_Make]

@Mrlynx I thought it was battery operated, I saw the first pic and that it had battery connections and just assumed... Glad that was pointed out.

[Zeph]

@jendrush said:

Thank you. This is only temperature board, but best part of this board is cost.

Piece of PCB ~30 cents,
pins ~30 cents,
power connector ~10 cents,
capacitor+resistor ~ 10 cents,
3.3V regulator ~ 10 cents
:) less than 1$ for complete board, and about 7$ for all parts including radio, arduino mini, wall usb charger, and cables:) This is power of MySensors!

Which board are you quoting prices for, jendrush?

[jendrush]

@Zeph said:

Which board are you quoting prices for, jendrush?

Board that i designed, and etched myself:)

[Mrlynx]

@C4Vette I am not taking any preorders but they who has shown interest are going to be first in line when they are ready.
More info will come later.

[Dennis van Velzen]

Nice board... Simple and straight forward to implement in our own projects!
I also like to have approx. 5 boards... Please tell me how to order and how you like the payment...

Can you also include the RF24's and Arduino boards? :+1:

[Mrlynx]

@Dennis-van-Velzen I am not planning to stock radios or arduinos as they are easy to source from internet.

[jendrush]

@Dennis-van-Velzen Just order 10pcs of radio, and arduino from china:)