Creare una Web app con ESP32
Negli ultimi anni la famiglia di chip ESP32 prodotti dalla Espressif si è affermata sul mercato per la sua caratteristica di flessibilità nelle applicazioni e…
The history of communicating with submarines underwater
“Nestled deep in the Chequamegon-Nicolet National Forest in Northwest Wisconsin is the small town of Clam Lake. Clam Lake is best known for the excellent…
Venus Technologies SW-3B QRP CW Transceiver Review
Looking at the Venus Technologies SW-3B QRP CW Transceiver for 20/30/40 meters. Dimensions: 104*71*25mm (excluding the protruding part such as knob) Weight: 180g. Operating voltage: 8-15VDC. Operating current:…
Stellar x2 vs RE20 vs RE27ND Microphone Review
“We compare the Stellar x2 vs RE27 vs RE20 from Electrovoice. I was amazed with this Microphone and as soon as the new Mixer arrives,…
Le lavorazioni alle macchine a controllo numerico CNC di PCBWay
In questo articolo faremo una panoramica sulla tecnologia della macchina fresatrice computerizzata a controllo numerico (CNC) di PCBWay. Daremo uno sguardo più approfondito alla tecnologia…
Inflatable Satellite Antenna
Inflatable Satellite Antenna GATR 2.4m Inflatable Ku & C Band Satellite Antenna VSAT Satcom Deployable Up for auction is an GATR 2.4m inflatable antenna for…
Stay away from cheap coax
A viewer asks about some inexpensive coax they found online. Is it any good? We talk about that and why you may want to stay…
XIEGU G106 – First Look at this New HF Transceiver
XIEGU G106 Xiegu keep themselves pretty busy developing cost effective QRP transceivers. This new model is a replacement for the G1M. Peter G3OJV gets some…
Battery Powered Automatic Antenna Tuner, 100 Watt Max, Portable Ham Radio Tuner Review/Demo
“Here is a small $100 portable battery powered ham radio antenna tuner, which deserves a review. I have it connected to my Icom IC-705 but…
K4BEN, announces the official beta of his Remote Radio Service
K4BEN, announces the official beta of his Remote Radio Service, DXRemote.net. It is a very simple concept: his enterprise-class, redundant network, your station. There are a lot…
Gli amplificatori a bassissima corrente di polarizzazione
Sul blog di Elettronica Open Source puoi leggere non solo tutti gli articoli Premium riservati agli abbonati Platinum 2.0 e inseriti nella rivista Firmware 2.0…
Shortage delle batterie
Lo shortage dei componenti elettronici ha messo a dura prova diversi settori. In questo articolo analizziamo lo scenario attuale e le prospettive secondo GPBM, marchio…
Utilizzare l’ESP32 con il servizio cloud AWS IoT Core
Amazon Web Services o AWS come abbreviazione è un popolare provider di servizi cloud che abilita servizi on-demand come elaborazione, archiviazione, networking, sicurezza, database, ecc….
THE NEW HEIL HAM RADIO!
“First, we would like to thank you for your continued support of our company and products. As Heil Sound Communications continues to grow we wanted…
Introducing SDRconnect – SDRplay Hamvention 2022 demo
This video shows the demo we are showing this weekend (May 20-22) at Hamvention in Dayton, Ohio. This demonstrates the core underlying technology behind what…
New at ICOM Hamvention 2022!
ICOM Hamvention 2022! Take your contesting experience to the next level with the latest LDMOS power device with features supporting a SO2R operation in one…
AMSAT-UK announce the 2022 International Space Colloquium
AMSAT-UK is very happy to announce the 2022 AMSAT-UK International Space Colloquium will be held as part of the RSGB Convention on October 8-9 at…
ICOM IC705 firmware 1.27 has just been released
Download Type Firmware Model name IC-705 Version Version 1.27 Update 2022/05/20 Major changes Changes from Version 1.26Improved to enable forcing an All Reset by connecting…
Apacer all’Embedded World: Padiglione 1, Stand 439 – Le soluzioni SSD e DRAM più affidabili per le industrie
All’Embedded World (21-23 giugno, Norimberga/Germania) nel Padiglione 1, Stand 439, Apacer presenterà le sue ultime soluzioni di storage industriale per applicazioni esigenti nei mercati dell’automazione…
EVOLUTION PL-259 CONNECTORS
In this video I show you how to install the best PL-259 connector in the world! The Messi & Paoloni Evolution PL-259 Connector for Messi…
7 Things When Building Your Ham Radio Shack
“I have installed two major ham shack builds over the years. One was a DISASTER! This is what I learned when designing my new ham…
Creazione di una rete ESP-Mesh in pochi passi
Con l’aumento del numero di dispositivi IoT, cresce la necessità di strumenti di rete superiori che possano supportare il maggiore carico. Tuttavia, se consideriamo un…
ACOM 2020S | Solid-State 1.8-54 MHz Linear Amplifier
ACOM 2020S | Solid-State 1.8-54 MHz Linear Amplifier Easy to operateThe overall operation of ACOM 2020S is extremely simplified: the touch screen menus are intuitive…
MKU PA 23CM-1200W A – Power Amplifier
High power linear amplifier for the 23 cm Amateur Radio band Our high-performance amplifier for the 23 cm amateur radio band achieves great performance, high efficiency…
You are using the WRONG toroid for an EFHW Antenna, Maybe!
Did you know, not all Toroids are created the same? They may look the same, but there is one big difference! UPDATE: I’m sorry, in…