New hobby? Let’s measure the radioactivity of objects and natural materials. Why, how, and with what?
Measuring ionizing radiation (generally radiation) is relevant today not only for experts but also for enthusiasts or collectors of minerals and antiques. Ionizing radiation is invisible, imperceptible, and that makes it deceptive. However, it has a direct impact on human health and the environment. This article will explain why and how we measure radiation, what interesting aspects to observe during measurement, which dangerous products to watch out for, and what misinformation exists in the media and online.
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How I revived a dead adjustable power supply RIDEN RD6006 and uploaded the latest alternative firmware. It also works on models RD6006P, RD6012, and RD6018.
I got my hands on a “dead” adjustable power supply, the RIDEN RD6006. Upon powering it on, it showed no signs of life. So, I set out to revive it,…
I tried the FNIRSI FNAC-28 USB tester. It’s a cheap and interesting tester, but it doesn’t support one important fast charging protocol.
The FNIRSI FNAC-28 USB tester is a handy and affordable tool for users interested in monitoring what happens during the charging of their devices. This device can measure not only…
New Prusa CORE One L printer – larger print area, nearly the same size. And another new feature as well.
New printer from Prusa Research: Core One L – double printing volume, more uniform bed heating, support for OpenPrintTag, and other great features.
Dashboard on the status of Alfa Romeo Giulia and Stelvio with ESP32.
I don’t have an Alfa, but I came across the GiuliaAndStelvioDPFMonitor project, designed for owners of diesel Alfa Romeo Giulia and Stelvio 2.2. It’s a dashboard project that reads various…
The new adjustable power supply RIDEN is coming, along with a new feature that everyone will appreciate. Absolutely everyone.
RIDEN’s adjustable power supplies are among the best that hobbyists can buy in this price range for home and semi-professional use. They offer great performance, compact size, updated and alternative…
A neatly organized workshop? With Tooltrace and 3D printing, it’s a breeze.
Tooltrace is a new project that takes workshop organization to a whole new level through smart use of 3D printing. Not sure how to neatly store screwdrivers, drills, or other…
Banana Pi is still going strong. They introduced the powerful R4 Pro – a router board with Wi-Fi 7, PCIe, USB 3.2, and gigabit Ethernet. However, it’s not available for purchase yet.
I haven’t posted any updates from the single-board computer manufacturer Banana Pi in a while. They’ve now introduced the Router board R4 Pro. This board, which can be used as…
Qualcomm enters the maker world: acquires Arduino and introduces UNO Q.
In today’s tech world, there’s a WOW moment thanks to Qualcomm. They announced the acquisition of Arduino, the legendary platform for DIY enthusiasts and developers.
Pocket USB-C adjustable power supply DPS-150 with a power output of up to 150W. It fits on any desk, but the controls are a pain.
I got my hands on an interesting pocket-sized USB-C powered adjustable power supply, the DPS-150 from Fnirsi. I conducted some basic measurements, and the power supply pleasantly surprised me. However,…
The popular Heltec LoRa 32 is now available in version 4, featuring ESP32S3, LoRa SX1262, and support for Meshtastic.
A fresh update from Heltec – the IoT device manufacturer – has improved the popular Heltec LoRa 32 from version 3.1 to v4. The chip is based on the ESP32-S3…