The new adjustable power supply RIDEN is coming, along with a new feature that everyone will appreciate. Absolutely everyone.
Nejnovější článek

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 firmware, and support for the 3D printing community. Now, RIDEN is introducing an absolutely fantastic model that you will want.

Continue reading

All articles

A neatly organized workshop? With Tooltrace and 3D printing, it’s a breeze.
2025-10-13

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…

Continue reading
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.
2025-10-13

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…

Continue reading
Qualcomm enters the maker world: acquires Arduino and introduces UNO Q.
2025-10-08

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.

Continue reading
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.
2025-09-30

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,…

Continue reading
The popular Heltec LoRa 32 is now available in version 4, featuring ESP32S3, LoRa SX1262, and support for Meshtastic.
2025-09-25

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…

Continue reading
Raspberry Pi CM0: new module with RP3A0 system in packaging
2025-09-24

Raspberry Pi CM0: new module with RP3A0 system in packaging

The CNX Software portal highlighted the yet-to-be-officially-released Raspberry Pi Compute Module 0 (CM0). This is a compact development module in a “castellated” design, based on the SiP (System-in-Package) RP3A0, which…

Continue reading
Internet radio receiver with ESP32. Complete guide including 3D printing. Home Assistant support included.
2025-09-23

Internet radio receiver with ESP32. Complete guide including 3D printing. Home Assistant support included.

The YoRadio project is an open-source internet radio built on the ESP32 Wi-Fi and Bluetooth chip with the ESP32-audioI2S library. It features complete documentation, a wide range of supported displays,…

Continue reading
I didn’t expect that. I can throw away a third of my USB-C cables. They lack the connected signals, and I found out thanks to this tester.
2025-09-16

I didn’t expect that. I can throw away a third of my USB-C cables. They lack the connected signals, and I found out thanks to this tester.

Who hasn’t experienced this? You need to quickly charge your phone, plug it in, and after an hour, there’s only a 10% increase. Or you want to transfer data to…

Continue reading
Interesting. A switched regulator in a TO3 package, for example for eight-bit computers.
2025-09-15

Interesting. A switched regulator in a TO3 package, for example for eight-bit computers.

Are you interested in 8-bit computers? Facebook suggested an interesting project shared in a group of enthusiasts who are passionate about 8-bits. Linear regulators in TO3 packages are used in…

Continue reading
We program ultra-low-cost microcontrollers CH32V00x both in Arduino IDE and without it (Linux). Guide.
2025-09-08

We program ultra-low-cost microcontrollers CH32V00x both in Arduino IDE and without it (Linux). Guide.

CH32V microcontrollers – you’ve probably heard of them. They are sold at a ridiculously low price but come with a very decent set of features, plus they are available in…

Continue reading