IoT - Air quality sensor
I found a very interesting air quality sensor board from the Germany company OhmTech on Tindy. One of this magic Bosch Sensortec sensor - the BME680 - is used in conjunction with an STM032F72 microcontroller to give a neat "USB-sensor-stick":
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- Kategorie: IoT Internet of Things
Es'Hail - my current setup
My current setup to operate ES'hail & QO-100.
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- Kategorie: Satellite
Contesting
Here are some impressions on contest I've participated over the last years ...
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- Kategorie: Contest
LimeSDR - Housing
To protect the fragile LimeSDR mini PCB I placed the SDR inside an aluminium case.
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- Kategorie: Satellite
Es'hail - WLAN Grid antenna
I received a new WLAN grid antenna from a fellow Ham - thanks for this!
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- Kategorie: Satellite
JackYack - simple memory morse keyer
My Mosquita got a new housing as described in this post. As you can see, there is still enough room for a memory morse keyer.
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- Kategorie: Transceiver
SSTV from ISS during February 2019
Here some pictures of the recent SSTV transmission from ISS. They are received using a cheap SDR stick and the NOAA antenna from WIMO under the roof abt. 7m above ground. Decoding is done using MMSSTV.
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- Kategorie: Satellite
2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.
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© 2020 Dietmar Krause, DL2SBA