You may be the greatest living banana-pianist, but how will you ever know if you don't make yourself a banana piano? Good news, that project and countless others are easier than you think they are with MaKey MaKey.
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays.
CR2032 Lithium Ion 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a time. Dimensions: 20x3.2mm
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps.
Classic 9V connector withou plug
These are small rare earth magnets - 0.25" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches.Activates the reed switch (shown below) at a distance of about 3cm.Sold in single units.
Flikkert zelfstandig, geel, 5mmspanning: 2,5 - 3,3 V, 20 mALichtsterkte: 5800 mcd
Piëzo zoemer 6 - 11 V DC 90 dBA/30 cm rond 28 mm beveiligd tegen verkeerd aansluiten
Je vind hier wat lastiger te krijgen (elektronische) onderdelen waarmee je de knotsgekke surprises kunt maken!
hier vind je het boek zelf (bol.com) - http://www.rolfhut.nl/surpriseboek