Configuration of SONOFF TH16 module with current TASMOTA FW 

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Kategorie: IoT Internet of Things

Here you can find the latest NOAA satellite pictures received at JN48OQ

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Kategorie: Allgemein

My previously used pre-amplifier (the one in front of the final PA) only delivers a gain of abt. 9dB @2.4GHz. This was far too less for my final PA used.

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Kategorie: Satellite

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

My current setup to operate ES'hail & QO-100.

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Kategorie: Satellite

Here are some impressions on contest I've participated over the last years ...

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Kategorie: Contest

Intro

tbd

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Kategorie: GPSDO

To protect the fragile LimeSDR mini PCB I placed the SDR inside an aluminium case.

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Kategorie: Satellite

Introduction

tbd

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Kategorie: Satellite

I received a new WLAN grid antenna from a fellow Ham - thanks for this!

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Kategorie: Satellite

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

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

Santa brought me a new Synology Ds218+ NAS :-)

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Kategorie: Synology

Logbook

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Kategorie: Raspberry Pi

Here a short description how I set up my RPi to send mail, usually sent to the users mbox to an SMTP server.

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Kategorie: Raspberry Pi

Some years ago I had wxtoimg running on a Windows machine and receiving NOAA images automatically with an analogue receiver.

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Kategorie: SDR

According to node-red cookbook all files in the .node-red subdirectory should be backuped - except files in "node-modules" sub-directory:

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Kategorie: IoT Internet of Things

Initial steps to setup Grafana on Raspberry3 Debian Strech

 

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Kategorie: IoT Internet of Things

Data aggregation

Here the first step to automated data aggregation of sensor data ...

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Kategorie: IoT Internet of Things

Logbook for basic setup of InfluxDB 1.02 on Raspberry Pi 3

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Kategorie: IoT Internet of Things

  1. IoT - NodeRED - Setup
  2. IoT - InfluxDB - Backup
  3. IoT - InfluxDB - Restore
  4. KiwiSDR - technical details
  5. WIMO Diplexer #22030 - 2m/70cm 100W
  6. ArrowAntennas 146/437-10BP - first measurements
  7. SOTA - Activations
  8. Cheat sheet for HamGadgets Ultra Picokeyer
  9. SOTA - DM/BW-078 - Römerstein
  10. SOTA - DM/BW-855 - Michelsberg
  11. SOTA - DM/BW-659 - Kaltes Feld
  12. RF Powermeter - Precision V2
  13. Weather satellites reception - RTL-SDR optimization
  14. IoT - Setup Raspi 3 for nodeRED & InfluxDB
  15. IoT - ESP8266 & Arduino
  16. Weinschel 40dB fixed high power coaxial attenuator
  17. Chinese DC-Block
  18. Huber&Suhner 30dB pad SMA
  19. Computergesteuerte HF-Eichleitung
  20. RF Powermeter - First steps
  21. WSPR - last spots
  22. KiwiSDR - configuration
  23. WSPR - WSPRlite
  24. Audio CW-Filter NM0S/4SQRP
  25. KiwiSDR - first impressions
  26. WSPR - Drift problems & new synthesizer board
  27. WSRP - 2nd U3s finished
  28. KiwiSDR - Local SDR up and running
  29. Powermeter von DG7XO
  30. WSPR - QRP-Labs low pass filters

2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.

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