Monday, October 31, 2016

First of All :
Best wishes to all the readers and friends...

Well this week too even though a festive week, so work was achieved. Starting with the two main projects that are currently in progress:

1. RFM69HW Light Sensor:

Well this one got way ahead. I got to understand that RFM69HW has a Semtech Chip SX1231H which gives the +20dBm power capability. Tried out the Arduino RF69 driver from Lowpower labs. Still not happy with the performance and features available. Lot more info about this library is available on their website with better description of the packet structure. One more difficulty with this driver was that its written for the Mortino boards only so had to hack internals of the library. And after playing around with all that I got the insatiable urge that every geek knows of. Well I want to write my OWN LIB.
Bad luck radios are hard but it would be nice learning experience for me. All these days I have design RF hardware but could not venture into radio firmware. So just started to tinker around with the RFM69HW and its internals. I have made some headway in understanding the Frequency calculation for this radio module. That part and some insight would be for another post later. But watch out I will take this out and soon.

2. ESP-udaan board now RF-udaan (! Sorry !)

Well you might wonder what the heck one more name change. Well thats what developers and makers struggle with. For hardware engineers its : Naming things and Unlearning concepts.
You  might have guessed it right. ESP8266 has unfortunately removed from this board.
Well now this board has 2 Modules - RFM69HW (ISM) and DRF1276G (LoRa)
Additionally in the remaining space there is an Adapter for Arduino Pro Mini that would be used to control these boards. Also added are a DHT22 and LDR for sensing interface to Arduino board.
I placed the order with DirtyPCB service from Dangerous prototypes. I had used their service previously and was quite satisfied by the quality. Only problem it take more than 30days to get the boards some times !! Hope that it arrives in time before TheThingsNetwork deploy LoRa Gateways around Bangaluru.


Well there is more......
I could not just sit around so I started another project :

Static Site Generator

Well its in progress and its one thing I have been wanting to do for a long time. Blogger has become too unwelcoming. Its old and my idea was to move away from it. So I had already selected a few famous ones.


Evaluating all three of them , Not sure of Ruby so jekyll is ruled out.
Both Golang and Python are my favorites hence they are fighting each other in terms of features and easy implementation.
Once I have a successful theme even a bare minimum I will make a move to a per-created github website URI. Should leave the old for RIP.


That's all for this week, check out more next week.

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