RSSAmplifier

Blog

LowPowerLab

Low Power IoT Systems

lowpowerlab.comRSS feed ↗10 posts

Latest posts

CurrentRanger GUI: a real time graphical analyzer

Thanks to the folks at Sasquatch Collective, there is now a new open source and free real time current monitor for the CurrentRanger, the Current-Ranger-GUI. All such initiatives are highly welcomed appreciated. Here s a look at the sleek UI: It Continue reading

MoteinoUSB R7 release

MoteinoUSB is now R7 and it comes with the following changes: USB-C Atmega328PB to same specs and performance as Atmega328P dedicated SMA/u.FL solder pads (3 pin header moved down to accomodate this) CH340C USB serial chip this is Continue reading

Redesigned DDM Novastar Upgrade Kit & Demo

This is a short video that highlights the upgrade kit I designed for DDM Novastar L-BF-12 bank feeders. The OEM feeder cover tape management mechanism is time consuming, frustrating to use, and the more cover tape is spooled the less Continue reading

RFM69 intentional radiator interactive testing

Here s a quick demo for testing RFM69 transmission settings on an RFGateway board. This proves useful in vetting settings for intentional radiator FCC/IC approval.

RFM69 v1.6 breaking change: 433.0Mhz is now 433.92Mhz

Quick heads up for those in EU or regions where 433Mhz is legal (sometimes called 434Mhz). Since I never used straight 433Mhz with RFM69, other than in various tests and experiments, I was somewhat ignorant about this band. Until Continue reading

CurrentRanger R3 MK6

The CurrentRanger has been stable for the last few years with very positive feedback and very few issues that were addressed promptly, mostly firmware and a few minor hardware tweaks. The R3.MK6 revision has now already started shipping and notable Continue reading

Fixing Microchip’s ICE cable

The Atmel/Microchip ICE programming cable for SWD/ICSP interfaces is junk. Someone decided to perhaps save a few pennies and design these ICE programmers with tiny 1.25mm pitch connectors that connect to cables that are prone to premature failure. The ICSP Continue reading

RF range & performance testing in a concrete building

I needed a quick and easy (and slightly more professional) way to measure RF performance of the typical RFM69/RFM95 low power transmitters, at a remote location where a prospect RF sensor network would be installed. Here s a video explaining the Continue reading

RFM69 TX power testing & library fix

The RFM69 library has been very robust and stable over the years. It is widely used in many hobby and home automation projects as well as research and commercial products. But that doesn t mean we can t find occasional things to Continue reading

CurrentRanger updates

Thanks to MGX3D there are now some nice improvements to the CurrentRanger: Firmware updates and optimizations, battery icon instead of text (faster drawing) Improved sampling speed Smarter Auto-Off avoids turning off when sampling via USB more menu items and Continue reading