7items
Monitor Keyboard Mouse Phone 3D Printing RC Cars

7items Tech & Gadgets

  • ◀︎
  • 1
  • …
  • 3
  • 4
  • 5
  • 6
  • 7
  • …
  • 24
  • ▶︎
Gaming mouse on a desk beside a card-catalogue cabinet of vendor device files, one drawer empty, a glowing ribbon carrying a file to the mouse

Set your mouse DPI on Linux with Piper, not vendor apps

Configure gaming mouse DPI, profiles and buttons on Linux with Piper and libratbag, and learn how to check device support before you buy anything.

Original Prusa XL+ multi-toolhead 3D printer on a workbench, five toolheads on the top rail and a metal manifold part printing on the heatbed

360-degree cooling sharpens overhangs on the Prusa XL+

Prusa XL+ 360-degree cooling spreads airflow evenly for cleaner overhangs and bridges, joined by GT1.5 belts and a 20x faster eddy-current tool sensor.

Four black Bondtech INDX nozzle tools docked side by side in a toolchanger rack with filament tubes curving in from above

Bondtech's INDX hardened nozzles are only HRC 30 to 32

Bondtech INDX hardened nozzles measure HRC 30 to 32, about half the 55 to 60 the word implies. Treat them as long-life brass, not tough tools.

Illustration of a Keychron K10 HE keyboard with rainbow RGB backlighting on a desk beside an open laptop showing a Linux terminal boot log

Tune the Keychron K10 HE on Linux without vendor software

Configure the Keychron K10 HE on Linux with QMK and VIA. Includes the udev rules that block access, a working keymap and the actuation caveats.

Reefs XP199 black portal front axle mounted on a red 1/10 rock crawler climbing over dark boulders

Portal axles bolt onto any 1/10 rig with the Reefs XP199

Reefs XP199 portal axle now sells separately, letting builders bolt 60-degree steering and a second gear reduction onto an existing 1/10 rig.

Bright green Redcat Vertex-10W rock crawler with black beadlock wheels climbing a granite boulder under a blue sky

Redcat's Vertex-10W adds 24mm of track for steadier lines

The Redcat Vertex-10W runs 24mm wider than the standard Vertex-10, adding tip-over stability on off-camber rock while keeping 58 degrees of steering.

  • ◀︎
  • 1
  • …
  • 3
  • 4
  • 5
  • 6
  • 7
  • …
  • 24
  • ▶︎

Popular

Alienware AW3926QW on its round base beside the LG 39GX950B on its hexagonal base, both curved ultrawide screens lit against a dark background

The Alienware AW3926QW is $700 cheaper than LG's 39GX950B

Alienware AW3926QW vs LG 39GX950B compared on subpixels, brightness, text sharpness, HDR modes, and a $700 price gap between two 39-inch 5K2K OLEDs.

Two curved Alienware OLED ultrawide monitors side by side on a dark desk, the larger left screen showing a much finer pixel grid than the smaller right screen

Six million pixels separate the AW3926QW from the AW3426DW

Alienware AW3926QW vs AW3426DW compared on panel maker, resolution, refresh rate, screen coating and ports, plus which OLED ultrawide suits your desk.

Four KliTek nozzle assemblies parked in a docking rail inside a 3D printer while a fifth prints a housing with a soft green seal

Nozzle swapping replaces the purge tower on Creality's K3

Creality KliTek swaps nozzles instead of purging, arriving on the K3 in 2026. See why nozzle-swap systems drift and why soft TPU is the real driver.

Bambu Lab PLA Pure filament spool on a kitchen counter beside a 3D-printed pink twisted vase

All five ingredients in PLA Pure clear EU 10/2011 rules

PLA Pure food-contact safety rests on all five ingredients passing EU 10/2011, but the certification covers the filament, not your printed cup.

Ten stylized RC rock crawlers ranked down a topographic contour mountain trail, led by a glowing orange hero rig at the summit.

Best RC crawlers under $100

RC crawlers under $100 now include brushless FOC rigs and licensed hard bodies. 10 ranked picks from $40 to $99, scored on crawl feel.

Krytox GPL 205 GD0 grease syringe on a workbench beside disassembled keyboard switch housings, stems, springs and a lube brush

Brush Krytox 205g0 on the stems and 105 oil on springs

Krytox 205g0 grease belongs on switch stems, 105 oil on springs. Get the part-by-part lube map, the over-lube risk, and whether hand lubing pays off.

A mechanical keyboard PCB with rows of black hot-swap sockets and an amber switch lowered into one socket by tweezers

Rated for 50,000 swaps, Gateron's 2.0 socket outlasts Kailh

Gateron's hot-swap 2.0 socket is rated for 50,000 swaps against Kailh's 100, but pin damage kills far more sockets than swap counts ever will.

Like what you read?

Subscribe to the weekly 7items newsletter and get new posts by email.

2026 7items
Site Newsletter Privacy Policy Terms of Service Contact
Categories Monitor Keyboard Mouse Phone 3D Printing RC Cars