The Malachite-DSP: A $195 Russian Made Portable Wideband SDR Receiver with Touch Screen

From www.rtl-sdr.com 7 days ago in Blogs

Over on the SWLing.com blog we've seen news about the release of a new Russian designed and made portable software defined radio called the "Malachite-DSP". The Malachite-DSP is an "all-in-one" portable SDR that is controlled via a touch screen and...

A Foolproof Raspberry Pi Media Player

From hackaday.com 14 hours ago in Blogs

The media landscape in the home has changed precipitously over the years. Back in the days when torrents were king, DVD players and TVs started to sprout USB ports and various methods of playing digital videos, while hackers repurposed office...

Add A Bit Of PCB Badge Glamour To Your Boring ID Badge

From hackaday.com 1 day ago in Blogs

When we talk about badges and printed circuit boards, it is usually in the context of the infinite creativity of the Badgelife scene, our community’s own art form of electronic conference badges. It’s easy to forget when homing in on...

Building a 3D Scanner with a 3D Printer

From hackaday.com 2 days ago in Blogs

Using a 3D printer to make high quality parts is a great way to improve the look and appeal of any project. If you want to replicate something exactly, though, you’ll need either a very good set of calipers and...

Arduino Does Multitouch

From hackaday.com 2 days ago in Blogs

A lot of consumer gadgets use touch sensors now. It is a cheap and reliable way to replace a variety of knobs and switches on everything from headphones to automobiles. However, creating a custom touch controller for a one-off project...

The Ultimate Hacker’s Compact 4WD!

From hackaday.com 3 days ago in Blogs

If you’ve spent any time at one of the larger European hacker camps over the last few years you’ll have seen the invasion of little electric vehicles sporting hoverboard motors as an all-in-one propulsion system. German hackers, in particular, have...

A Radio for the Apocalypse

From hackaday.com 4 days ago in Blogs

There’s been a spate of apocalypse related articles over the last few weeks, but when I saw an AM radio made from a hand-wound coil and an oxidized British penny, I couldn’t help but be impressed. We’ve covered foxhole radios,...

December Circuit Cellar: Sneak Preview

From circuitcellar.com 5 days ago in News

The December issue of Circuit Cellar magazine is out next week! Artificial intelligence, controlled circuit breaking, quadcopter drone project, near field magnetic probes, build your own I-V curve tracer, DC-DC converter roundup and more—this 84-page magazine paints a stunning mural...

Jubilee: A Toolchanging Homage to 3D Printer Hackers Everywhere

From hackaday.com 5 days ago in Blogs

I admit that I’m late to the 3D printing game. While I just picked up my first printer in 2018, the rest of us have been oozing out beautiful prints for over a decade. And in that time we’ve seen...

Aging Alcohol In 30 Minutes

From hackaday.com 5 days ago in Blogs

Many alcoholic beverages are aged in barrels for long periods of time. The aim is to impart flavors from the wood of the barrel into the liquid, and allow a whole host of chemical reactions to happen, changing the character...

Take Flight with Feather entries: CNC and Battery FeatherWings #FeatherContest @Hackaday @DigiKey @Adafruit

From blog.adafruit.com 6 hours ago in PlatformsStores

The Take Flight with Feather Contest is running from now to December 31st – see all the details in the kickoff post!We’re going to highlight entries posted on Hackaday.io two at a time. Here are today’s entries:CNC FeatherWingProlific maker arturo182 posts:Inspired by the...

Widora Teases Compact Kendryte K210-Powered Binocular Facial Recognition Board

From www.electronics-lab.com 11 hours ago in Blogs

Widora, who has been one of the companies championing the development of open-source boards for IoT... The post Widora Teases Compact Kendryte K210-Powered Binocular Facial Recognition Board appeared first on Electronics-Lab.

OtterPill Is a Nano-Compatible STM32 Board with USB-PD

From www.electronics-lab.com 11 hours ago in Blogs

STM32 was one of the names that were almost driven into oblivion, no thanks to the... The post OtterPill Is a Nano-Compatible STM32 Board with USB-PD appeared first on Electronics-Lab.

Microchips package surface partially melted. Do you recognize the model? It is a temperature/humidity sensor.

From www.allaboutcircuits.com 15 hours ago in BlogsNews

Hello everyone, I'm trying to find out the model of the two chips on a temperature/humidity sensor. As you can see the surface of the chips have partially melted. I think I found the model of one of them (the...

Comparing Four Wideband Magnetic Loop Antennas on HF with an SDRplay RSPduo

From www.rtl-sdr.com 18 hours ago in Blogs

Over on YouTube the Scanner and Sdr Radio channel has uploaded a video comparing four different brands of HF wideband loop antennas using an SDRplay RSPduo. The loops he tested include the cheap Chinese MLA-30 (~$40), the Cross Country Wireless (CCW) loop...

TechMinds Reviews our RTL-SDR Blog L-Band Patch Antenna + Horn & Dish Mod

From www.rtl-sdr.com 18 hours ago in Blogs

Over on YouTube the TechMinds YouTube channel has uploaded a review of our RTL-SDR Blog L-Band patch antenna which we recently released. TechMinds tests the antenna on a STD-C Inmarsat channel with the Scytale-C decoder, and on various AERO ACARS...

Logitech Bundles Assistive Technology Switches at a Breakthrough Price

From blog.adafruit.com 1 day ago in PlatformsStores

Logitech Gaming, working with AbleGamers and other groups just released the Logitech G Kit for the XBox Adaptive controller. The kit includes 10 standard AT switches plus two variable input Triggers, two mounting boards and accessories for about $100.Bill Binko...

Goodnight, squeak prince: Chuck E. Cheese removes all its animatronics #ChuckECheese @ChuckECheese

From blog.adafruit.com 1 day ago in PlatformsStores

The Takeout and People Magazine are posting about the Chuck E. Cheese pizza restaurants removing their signature robots.Chuck E. Cheese, the children’s entertainment center whose 1980s and ’90s proliferation inspired a warped nostalgia in us all, has unveiled a sweeping redesign...

Error in Atmel Studio when uploading to board

From www.allaboutcircuits.com 1 day ago in BlogsNews

So, I have been programming microcontrollers on my ATMEGA 2560 board via Atmel Studios for some time now. and never had any problems building and uploading to the board before. but this time, when im trying to upload to the...

Reinforcement Learning in machine learning

From www.allaboutcircuits.com 1 day ago in BlogsNews

Hello, I was watching some videos on inverted pendulum ( cart-pole balancing system) and wanted to know what exactly does it try to learn. Does it only try to tune PID values after learning or does it have another algorithm...

Micro-current electrical stimulation device

From www.allaboutcircuits.com 1 day ago in BlogsNews

Introduction This is a project to build a micro-current electrical stimulation device. These are also called tDCS devices and are similar to MENS devices. They are not much like the common TENS devices which use much higher... Micro-current electrical stimulation...

Perform Power Analysis Side-Channel Attacks with the ChipWhisperer-Nano

From www.electronics-lab.com 1 day ago in Blogs

If you have ever considered the option of using encryption in your design, then you should... The post Perform Power Analysis Side-Channel Attacks with the ChipWhisperer-Nano appeared first on Electronics-Lab.

How EEs Can Stay Relevant

From www.eetimes.com 2 days ago in News

Lightspeeur 5801 AI Accelerator Delivers 2.8 TOPS at 224 mW of Power

From www.cnx-software.com 2 days ago in News

Announced in 2017, Gyrflacon LightSpeeur 2801 AI Accelerator could deliver 2.8 TOPS at 0.3 Watts of power. It’s now found in Orange Pi AI Stick Lite computer stick selling for around $20. Since...

Action Camera Lenses

From kaspars.net 2 days ago in BlogsPodcasts

Did you know that most of the action cameras (GoPro, DJI Osmo, Akaso, EKEN, SJCAM, Xiaomi and ThiEYE) use the same lens mount? It’s called M12 or S-mount which stands for the 12 millimeter thread used to attach the lens...

The proper use of IRL540 MOSFET with microcontroller

From www.allaboutcircuits.com 2 days ago in BlogsNews

Whilst I think this will work, I am certain that your expert comments will greatly improve my circuit. Attached to P7 is a coil of titanium wire with resistance of about 6 Ohms; An ESP32 microcontroller with use PWM to...

Circuitry for striking clock.

From www.allaboutcircuits.com 2 days ago in BlogsNews

I wish to make a striking clock using the following- 1. Quartz clock movement (1.5v.) with hourly trigger switch. 2. Solenoid working on 6v. with 10.5 ohm coil which includes a spring loaded plunger to hit the gong. I have...

Analog multipliers? Dividers?

From www.allaboutcircuits.com 2 days ago in BlogsNews

Please can someone assist in making this.....? $a^2$ and $acdot b$ and $frac {c}{d}$ lol..and not latex Transistors ? a^2 function a. b function and x/y function Thanks

Troubleshooting on my first "real" circuit

From www.allaboutcircuits.com 2 days ago in BlogsNews

I have on this breadboard a circuit that is suppose to make a servo motor rotate 180 degrees and back again endlessly (for now - later it shall run 5 times and then stop) This is something I put together...

The ESP32, Laid Bare

From hackaday.com 2 days ago in Blogs

Most readers will be familiar with the ESP32, Espressif’s dual-core processor with integrated WiFi and Bluetooth. Few of us though will have explored all of its features, including its built-in encryption facilities and secure booting capability. With these, a developer...