
PST-SQ400B Wi-Fi Water-Leak Sensor
For home-automation projects monitoring for water leaks over Wi-Fi.
Handpicked gadgets, open-source devices, and maker gear for curious minds.
274 products · showing 85–96

For home-automation projects monitoring for water leaks over Wi-Fi.

For makers who prefer USB-C on a Nano-style development board.

For learners practicing soldering while assembling a digital clock.

For learners practicing assembly with a spinning LED project.

A USB 2.0 hub with SD and microSD slots built in — a travel-size card reader for flashing single-board computers that also adds ports to a…

For Nano-board users who prefer terminal connections for prototype wiring.

Logic-level conversion remains necessary whenever 3.3V and 5V boards/sensors share I2C, UART, SPI or GPIO signals.

For builders considering isolation between compatible USB devices.

For electronics makers who prefer a compact USB-powered soldering iron.

For electronics workbenches that need a separate surface for soldering tasks.

For lighting hobbyists building projects around an ESP32 WLED controller.

A 60 W soldering iron kit with tips, stand, and solder for repairs, kit builds, and first through-hole projects.