Anno: 2020

Sensore PWM di prossimità e luce ambiente
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Sensore PWM di prossimità e luce ambiente

Quando la tecnologia viene impiegata per migliorare le nostre condizioni di vita non smette mai di sorprenderci! In questo articolo si descrive un rivoluzionario sensore…

Oggi primo DX della Storia!
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Oggi primo DX della Storia!

12 DICEMBRE 1901: MARCONI INVIA PRIMO SEGNALE RADIO TRANSOCEANICO – L’invenzione della radio è tra quelle che hanno cambiato la storia dell’umanità. Marconi realizza la…

Si7005: Sensore di Temperatura e Umidità I2C
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Si7005: Sensore di Temperatura e Umidità I2C

Si7005 è un sensore digitale di temperatura e umidità relativa presentato da Silicon Labs. La sua compattezza, precisione ed elevato grado di affidabilità lo rendono…

KN-990 HF 0.1~30MHz SSB/CW/AM/FM/DIGITAL IF-DSP Amateur Ham Shortwave Radio Transceiver Spectrum
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KN-990 HF 0.1~30MHz SSB/CW/AM/FM/DIGITAL IF-DSP Amateur Ham Shortwave Radio Transceiver Spectrum

KN-990 Features: 3.5 inch LCD, without touch fuctionFrequency range: Reception: 0.1~30MHztransmitting : Amateur shortwave bandWorking mode: SSB/CW/AM/FM/DIGITALReceiving sensitivity: 0.2uVMinimum frequency step: 10HzWorking voltage: 12~15V DCCurrent parameter: RX …

File System in soluzione embedded: la proposta di Renesas
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File System in soluzione embedded: la proposta di Renesas

Renesas propone per le proprie soluzioni il suo Open Source FAT File System M3S-TFAT-Tiny SH-2A, anche meglio conosciuto come TFAT library, in grado di supportare…

mAT-705 Tuner Introduction
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mAT-705 Tuner Introduction

mAT-705 Tuner Introduction The MAT-705 is a very small and powerful tuner for portable shortwave devices, especially designed for the Icom IC-705. The MAT-705 tunes…

Geomagnetic Storm Watches Are in Effect through December 11
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Geomagnetic Storm Watches Are in Effect through December 11

NOAA’s Space Weather Prediction Center (SWPC) reports that geomagnetic storm watches are in effect through December 11, due to the effects of a direct coronal mass ejection (CME) collision…

A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020
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A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020

A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020 Antenna MAX6 -Antenna Analyzers December 03, 2015 No comments Antenna Analyzers  …

Iceland: 1850 kHz authorization renewed
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Iceland: 1850 kHz authorization renewed

Iceland’s IRA received a positive response from the Post and Telecom Administration (PTA), December 4, to their request to renewal the authorization to use 1850-1900…

Edge impulse: un intuitivo SDK per il TinyML – parte II
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Edge impulse: un intuitivo SDK per il TinyML – parte II

Con questo articolo andremo a terminare la presentazione delle caratteristiche dell’SDK denominato Edge Impulse. Edge Impulse permette di realizzare modelli di apprendimento automatico e facilita…

Wouxun KG-UV8G 4m/2m Handheld
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Wouxun KG-UV8G 4m/2m Handheld

Video:YouTube/Stephen Legg Many thanks to Stephen who dropped me a line telling me about his latest video which features the new Wouxun KG-UK8G handheld. This…

FTDX10 – New Video
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FTDX10 – New Video

FTDX10 Hybrid SDR Configuration: Like the FTDX101 series, the new FTDX10 utilizes the Yaesu Hybrid SDR configuration – Narrow Band SDR and Direct Sampling SDR….

Turn a Cheap Ham Radio Into An APRS & WinLink Transceiver
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Turn a Cheap Ham Radio Into An APRS & WinLink Transceiver

“Today we take a look at the Mobilinkd TNC3. The TNC3 uses the KISS protocol to feed packet data to your phone or computer over…

QYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo
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QYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo

The QYT KT-780 Plus is a 100 watt mobile radio on the 2 meter Amateur Radio Band, and works on FM mode. Today we will…

Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band.
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Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band.

Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band. Antenna Comet mobile antenna of 430MHz band – ASF-430 April…

THE NEW MOUNTAIN TOPPER MTR-4B V2 BY LNR PRECISION
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THE NEW MOUNTAIN TOPPER MTR-4B V2 BY LNR PRECISION

MTR-4B V2 Photos COMING SOON “The Mountain Topper” The LnR Precision MTR transceivers are designed to be efficient portable CW rigs. Whether climbing a mountain…

L’evoluzione tecnologica dei sensori
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L’evoluzione tecnologica dei sensori

Digitalizzazione, industria 4.0, wearable, diagnostica elettromedicale, guida autonoma e IoT sono solo alcune delle tematiche che negli ultimi anni hanno spinto fortemente la ricerca e…

International Space Station Contact 07/12/2020
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International Space Station Contact 07/12/2020

A video from today’s school contact with the Space Station….

5Z4/LA9PF Kenya. From DXNews.com
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5Z4/LA9PF Kenya. From DXNews.com

Cato, 5Z4/LA9PF will be active from Kenya, January – May and October – December each year., 5Z4/LA9PF Kenya. From DXNews.com, ,

CP1XRM Bolivia. From DXNews.com
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CP1XRM Bolivia. From DXNews.com

Antonio, EA5RM will be active again as CP1XRM from Bolivia, 9 – 26 January 2021., CP1XRM Bolivia. From DXNews.com, ,

C7.4 solar flare
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C7.4 solar flare

Solar activity has been fairly boring during the past few days but a surprise solar flare woke us up. A long duration C7.41 solar flare peaked…

The AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters
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The AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters

The AD-3446 is a new large, full-size antenna for 40, 20, 15 and 10 meters. 4 efficient monobenders per 1 traverse: 3 elements per 40m with…

New Antenna Physics Book from ARRL!
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New Antenna Physics Book from ARRL!

Written to bridge the gap between basic theory and graduate-level engineering texts, the second edition of Antenna Physics: An Introduction includes new material to help you better…

Valerie NV9L & Raisa R1BIG: to meet a future spouse in a Ham Contest?
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Valerie NV9L & Raisa R1BIG: to meet a future spouse in a Ham Contest?

Valerie NV9L & Raisa R1BIG: to meet a future spouse in a Ham Contest? Antenna SUPER VERTICAL 80/160 DX [ New Version 22 m Height]…

SuperAntenna: Oggie AC3EK’s Experience
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SuperAntenna: Oggie AC3EK’s Experience

SuperAntenna: Oggie AC3EK’s Experience Antenna Custom Antenna Insulator online .STL creator December 25, 2014 No comments Custom Antenna Insulator online .STL creator You can generate…