The ALIENTEK T90B is the highest-output iron in the T90 series, with a T245 tip, 18 to 140 W of heating, and a seller-claimed 3.5 second solder melt. Switch Science began selling it on September 10, 2025.
The ALIENTEK T90A is a 55 g USB-C soldering iron with a fine T210 tip, 18 to 65 W of heating, and a seller-claimed 2.5 second solder melt. Switch Science began selling it on September 10, 2025.
Switch Science began selling three ALIENTEK USB-C soldering irons on September 10, 2025: the T90A (T210 tip), T90B (T245 tip, up to 140 W), and T90C (T65 tip, up to 130 W).
Milwaukee's second-generation M18 FUEL SURGE 1/4 in. hex hydraulic driver claims up to 50 percent less noise than a standard impact driver, 1,000 in-lbs of torque, and a 4.3 in. body. Kit 2761-22 is $349.
Carbide 3D's Shapeoko HDM V3 pairs HG15 rails and 16 mm ball screws with an 80 mm water-cooled spindle rated up to 2.2 kW, aimed at shops that cut aluminum.
Arduino's Nano R4 brings the UNO R4's 32-bit Renesas processor, analog features, CAN support, and compact maker-friendly hardware to the Nano format today.