Low power with atmega328pb and NRF24L01+
Recently at work I had to do some experiments with the classic nrf24l01modules. These a...
Qball's Weblog
Making the stupid dumb V2. UPPÅTVIND
About 1 1/2 year ago I made a blogpost about making the Förnuftig smart. Thisone is sti...
Doing a lot in home-automation one key part is notifications. In my opinionnotification...
Hitting a new low-power record with the esp32c3 - part 2
To get to the low power usage of the previous blog post there several steps Itook. The ...
Hitting a new low-power record with the esp32c3
When looking up some information I blogged about in the past, I realized Ihaven’t poste...
Parkside Performance Smart accu 20V - 8Ah - Small review
Since a few weeks lidl sells Parkside Smart Batteries.The batteries have an impressive ...
Bad power supply unit might kill your MCU, do not buy!
On my balcony I have a very small solar panel setup that I use to keep a small car batt...
Making the stupid dumb. Vindriktning and Förnuftig
A while back I saw rumors that IKEA was introducing air quality sensors andair-purifier...
ESP32-S2-Wroom - new lows in power saving.
Two weeks ago I was shopping on mouser to find some GPS modules (might blog about this ...
My solution for a cheap air purifier - part 4
I made a few small updates to the air purifier to finish it off.New lidTo reduce sound ...
My solution for a cheap air purifier - part 3
This part will describe the electronics for this 2nd air purifier.I had a nice 24V fan ...
My solution for a cheap air purifier - part 2
2nd part of air purifier. I just finished printing v2. The overall result is very nice,...
My solution for a cheap air purifier
Seeing some recent ‘fuzz’ about making your own air-purifier, for example on BigClive.c...
As a follow up on the previous blog post.LiFePO4As mentioned in the last blog post I ha...
As a follow up on the 19+ Months battery lifetime, a few small updates:LiFePO4As mentio...