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Thanks Lim for the update.
That is good news, I will keep track of the progress on your new boards. Please check with the RN2903 if you can make it work in the Malaysian/Indonesian frequency. Although it is advertised as being able to run in the 915mHz range, when I bought them (3 months ago) they came pre-programmed with the US settings and so they don’t work out of the box.
After asking Microchip how to change it, because I couldn’t figure out how to, there wasn’t much in the docs, they said I had to update the firmware and they advised me to write it myself because they had none for AS923. Needless to say I wasn’t happy about this, also because it took them over two weeks to respond to this question. Note that this is for LoraWAN, when using Lora only you can change the frequency.
Long story short, although they look easy to use with the TX/RX build in support. For us costs wise and limitations on software adjustments actually made us abandon our custom build boards around this chip. Hence I moved on and started ordering your boards with the RFM95 chip 🙂
Cheers,
Roy
Hi Lim,
I would also be very interested in a solution where one could use NiMH batteries or a LiFePO4 battery. Especially the latter. In the regions where we deploy we can’t afford to have issues (fire related) when it comes to batteries so the Lipo’s are a no go. I am also designing shields on top of the board on which I mount battery a holder so a VIN power pin that can use the low power (18mAh) would be a real “wannahave”. On top of that having a solar charge solution for the LiFePO4 batteries would be great.
Please let us know if you made any progress on this. This would be a great improvement on our system.
Cheers,
Roy
