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Author Archives: Samúel Þór Hjaltalín
TF0 APRS Stafvarpi / TF0 APRS Digi
For a school project I designed an APRS standalone digipeater. It’s not perfect and could use some rework but the schematics and eagle cad files are available at https://ulfr.net/aprs/Stafvarpi.zip. It uses Extdigi as software (which could use some rework). I’ll … Continue reading
Posted in Almennt
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uBITX Sendiviðtæki.
Nýverið pantaði ég mér uBITX sendiviðtæki eftir miklar spekúlósjónir um hvaða stöð ég ætti að fá mér til að fikta við HF hér heima við. (Aðallega fyrir WSPR og FT8). Á meðan ég lét mér leiðast í Andenes, í norður … Continue reading
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Uppsetning á APRS stafvarpa í TF. #1 Að byrja.
Langt síðan ég hef skrifað nokkuð hérna inn en nú ætla ég að taka mig á og skrifa seríu af greinum sem innihalda upplýsingar um hvernig á að setja upp APRS stafvarpa á Íslandi svo þeir fylgi þeim stöðlum sem … Continue reading
Working with the Nextion HMI Display
Lately I’ve been playing around with the Nextion HMI 2.8″ display from Itead studios. If you can get past the chinglish in their documentation it can be pretty fun and interesting little display. It provides RS232 at TTL for communication … Continue reading
Posted in Electronics, Mechatronics
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