Pololu 1401 - Mini Snap-Action Switch with 13.5mm Lever: 3-Pin, SPDT, 2A

The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. Each Teensy 3.2 comes pre-flashed with a bootloader so you can program it using the on-board USB connection: No external programmer needed! PJRC TEENSY32

Universal meter M890G, UNI-T

Universal meter UT 60 E, UNIT

WINDOW SHUTTER CONTROLLER - PLATE AND PROGRAMMED LAYOUT

Permanent cylindrical neodymium magnet with a diameter of 3 mm and a height of 3 mm.

FAZER GUITAR EFFECT - PRINTED PLATE

ACOUSTIC CORRECTOR - A SELF-ASSEMBLY KIT

Advanced ADC converter module with four channels of analog inputs for Qwiic projects, offering high resolution of 24 bits and the ability to work with single-channel and differential inputs. With a programmable amplifier, the ability to select a reference voltage and support for up to 16 modules on one I2C bus, it is an ideal solution for applications requiring precise measurement of analog signals. Sparkfun SPX-23455

The module contains an input for SD cards and MicroSD cards. Waveshare SD Storage Board

COMPUTER LED CONTROLLER - A KIT FOR SELF-ASSEMBLY

AVT AND AT89S8252 MICRO CONTROLLER PROGRAMMER - PRINTED PLUG AND PROGRAMMED SYSTEM