Voltage Regulator for 5v Step-Up/Step-Down - Pololu

USB2.0 Standard, Backward Compatible, According to RS485 Standard.

Universal Mobile Phone Holder with Suction Cup - Baseus

This is a Speaker Expansion Module designed for the BBC micro:bit.

SparkFun RGB and Gesture Sensor - APDS-9960

Sonoff BasicZBR3 is the first Sonoff ZigBee DIY smart switch that connects the SmartThings hub to control all devices connected via SmartThing APP on iOS / Android phones to access rooms, scenes, members or automations mode to build a smart home.

Sliding Potentiometer RS60112A600U.

Stem Shield for your Arduino, the Velleman.

Set of 150 yellow, red and blue terminals, from Perel.

Potentiometers 35 units set by Velleman.

Potenciómetro 10 voltas 10K