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Design and construct it! A DIY speaker resonance tester, a compact warning flasher, and more


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May 10, 2024 | #590   

Compact Warning Flasher


Compact Warning Flasher
This little project should give peace of mind to bicycle riders pedaling in the dark without street lighting. At the same time it provides early warning to faster, motorized road users to pay attention and pass with care.

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Fnirsi SWM-10: Repair Battery Packs With This Portable Intelligent Spot Welding Machine (Review)


Fnirsi SWM-10: Repair Battery Packs With This Portable Intelligent Spot Welding Machine (Review)
Anyone who has ever tried to solder a wire or metal strip to a battery will know that this is near to impossible. What you really need for such a repair job is a spot welding tool. This is where the Fnirsi SWM-10 comes in.

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Raspberry Pi  

The Raspberry Pi Compute Module 4 Just Got Beefier


The Raspberry Pi Compute Module 4 Just Got Beefier
It's been a decade of innovation and tinkering since the first Raspberry Pi Compute Module hit the scene in 2014, offering the power of Raspberry Pi in a more flexible form factor. Since then, the demand for more memory and greater customization has only grown. Enter the Compute Module 4S.

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Limitless Power: Programmable Power Supply UDP3305S-E delivers 2x 30V and 5A per Channel (review)


Limitless Power: Programmable Power Supply UDP3305S-E delivers 2x 30V and 5A per Channel (review)
Whether you want to test a DIY audio amplifier that doesn't have its own power supply yet, or you're troubleshooting a device suspected of having issues with its associated power adapter, a lab power supply is indispensable. The UNI-T UDP3305S-E provides everything even demanding users need.

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Labs  

DIY Speaker Resonance Tester


DIY Speaker Resonance Tester
This project guides you through building a DIY speaker resonance tester, ideal for detecting resonance peaks in loudspeakers using a simple electronic setup. It's designed for audio enthusiasts and utilizes Arduino for precise frequency measurements.

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Paste Stencil Design Can Be Managed Using the Right Tools and Experience


Paste Stencil Design Can Be Managed Using the Right Tools and Experience
[Partner Content] Paste stencil design is not black magic. Using the right tools and with some experience, PCB designers can learn the ropes and design stencils for their PCBs, shortening the time to manufacturing cycle.

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New FRDM Boards for NXP MCX Microcontrollers


New FRDM Boards for NXP MCX Microcontrollers
Elektor's Stuart Cording spoke to NXP's Kyle Dando at their FRDM Lab at embedded world 2024 about the two new MCX microcontrollers that have been launched recently. Watch the video to learn more!

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Elektor Lab Talk #17: Live from embedded world 2024


Elektor Lab Talk #17: Live from embedded world 2024
Join us as we explore the cutting-edge electronics discussed during our Lab Talk at embedded world 2024 in Nuremberg. Discover the future of electronics with the Elektor team! Whether you are interested in embedded systems or AI, we've got something for everyone.

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