Black Lives Matter - Action and Equality. ... Adafruit is part of the Stop Hate for Profit campaign. Adafruit is open and shipping.
0

SHOW-AND-TELL Google+ LIVE Hangout! Wednesday night at 7:30pm ET 6/24/15 (video)

SHOW-AND-TELL Google+ LIVE Hangout! Wednesday night at 7:30pm ET 6/24/15 (video). Want to join the #showandtell Here’s how and video.


We are angry, frustrated, and in pain because of the violence and murder of Black people by the police because of racism. We are in the fight AGAINST RACISM. George Floyd was murdered, his life stolen. The Adafruit teams have specific actions we’ve done, are doing, and will do together as a company and culture. We are asking the Adafruit community to get involved and share what you are doing. The Adafruit teams will not settle for a hash tag, a Tweet, or an icon change. We will work on real change, and that requires real action and real work together. That is what we will do each day, each month, each year – we will hold ourselves accountable and publish our collective efforts, partnerships, activism, donations, openly and publicly. Our blog and social media platforms will be utilized in actionable ways. Join us and the anti-racist efforts working to end police brutality, reform the criminal justice system, and dismantle the many other forms of systemic racism at work in this country, read more @ adafruit.com/blacklivesmatter

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 20,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/

CircuitPython – The easiest way to program microcontrollers – CircuitPython.org


Maker Business — To make it through a tough business cycle, layoffs should be a last resort

Wearables — Look beyond buttons

Electronics — The Glitchy Switch

Python for Microcontrollers — Python on Microcontrollers: CircuitPython on Wio Terminal, 6.0.0 Alpha 1 and more! #Python #Adafruit #CircuitPython @circuitpython @micropython @ThePSF

Adafruit IoT Monthly — Repurposed Smart Home Displays, Open-Source 5G Networks, and more!

Microsoft MakeCode — Black Girls Code Virtual Camps

EYE on NPI — Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey

New Products – Adafruit Industries – Makers, hackers, artists, designers and engineers! — New Products 7/1/20 featuring Adafruit H3LIS331 Ultra High Range Triple-Axis Accelerometer – STEMMA QT / Qwiic!

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



1 Comment

  1. Here are some more details about the echolink project.

    Echolink is a technology to internet-connect ham radios. The main URL for it is: http://www.echolink.org

    The basic concept is to allow RF radios to send/receive audio through PCs that are connected to the internet. This allows an operator on a radio to talk to another operator on a radio anywhere else in the world.You can also talk directly through the echolink software, similar to skype audio. The audio flow in my specific example is:

    RF handheld RF Repeater RF receive radio RPi Internet iPhone

    So when I talked to my friend, my audio went from my iPhone to his
    handheld along the above path, and his came back in the opposite
    direction. Normal repeater traffic would be:

    RF handheld RF Repeater RF handheld

    The issue I have is the official echolink software requires a Windows
    PC. Not only is that overkill, it’s an unnecessary power waste and
    takes up a lot of space. I got a deal on a Pi B rev 2 so I figured I’d
    try using that as the PC portion of the echolink connection. It turns
    out that there is an open-source echolink clone called svxlink that runs on linux (it actually does more than echolink; it’s a general-purpose VoIP software). svxlink is the brains for the whole system. It monitors the audio from the radio and the internet, determines when to transmit a signal, and controls the radio through an interface board.
    The URL for svxlink is: http://www.svxlink.org

    There were still a couple challenges with connecting the radio to the
    RPi. The biggest ones being; how to control the radio to tell it to transmit audio coming in from the internet, and how to know that audio is coming from the radio that should be sent out the internet. svxlink is the software, but you need hardware, too. This is handled by an interface board that has push-to-talk (PTT) controls and the ability to detect active audio signals. The interface I am using is called Easy-Digi. http://goo.gl/5ZYMx8

    It’s a very inexpensive kit developed by a Ham that can be used for a
    variety of digital radio modes. It can be bought as a kit or assembled. It’s brain-dead simple and very effective. It uses an RTS signal to trip an Opto-isolator to engage the PTT on the radio, and takes incoming audio and feeds it to the RPi.

    Another issue is the RPi does not have mic input, so I’m using a cheap USB soundcard for audio in/out to the radio.

    One last thing that I’m doing that I did not mention during Show and
    Tell is I’m using a PowerSwitch Tail II as a failsafe. Because I’m licensed by the FCC, I’m responsible for any transmissions going through the system (and potentially retransmitting through a repeater and jamming the airwaves), I have the RPi configured so I can physically kill power to the radio using the PST II if something goes horribly wrong, even if I’m not at home.

Sorry, the comment form is closed at this time.