EasyIoT wrote: I'm preparing final version before production. It will be NRF24L01 version only, not ESP8266. If you are in hurry don't wait this board. It's hard to say when it will be finished, maybe in 1 or 2 months.
I think your board sound great. I have been playing with running an ATMega328p as a barebones "breadboard" Arduino using the internal 8Mhz oscillator for really low power stuff. I was originally building everything around an Arduino with Ethernet shield until it because too complex so I am now toying with EasyIOT on an RPi B+.
I haven't shared any of my plans because they are really crude and it sounds like you are doing something similar that you might be able to sell so I don't want to undermine you efforts. Once I get these stable, I will look at a standalone ATMega1284P. I should be able to build a pretty low power setup running at 16MHz with 128k flash and 16k ram along with 2 UARTS.
Here are some pictures of EasyIoT low power board:
Water leak sensor build by EasyIoT low power board
Current consumption - 5.8µA. It can easily operate 10 years with 2 AA batteries.
Board size is 18mm x 32 mm + additional NRF24L01 = length of AAA or AA battery cell. It can fit in box a little larger than 2 AA battery cells.
Instead of AA or AAA battery holder you can solder CR2302 battery holder. Optionally temperature and humidity sensor can be added.
It's still in testing phase, but will be available soon.
If i can get MySensors working with my new modules that come this week ill definatley buy your boards!! hahaa =D
Probably I will sell some of my EasyIoT low power boards. Don't ask me for price, because I do not know yet. It can't be in "China" range, because it's made in EU.