Material

Qty	Product	price/unit (€)	Total price	link
64	reed sensor	0,53	33.92€	https://diotronic.com/2725-020-rele-reed-miniatura_8597/
64	diode 1N4148	0,01	0.64€	https://diotronic.com/diodo-high-speed-100v-0-2a_111/
1		26.16	26.16	www.mouser.com/ProductDetail/adafruit/1743/?qs=%252bEew9%252b0nqrDivuzDpdISFw%3d%3d&countrycode=DE&currencycode=EUR
1		19.66	19.66	https://diotronic.com/arduino-micro_26761/
1		24.20	24.20	https://diotronic.com/arduino-nano_26760/
2		5.2	10.4	https://www.ondaradio.es/Catalogo-Detalle/2863/elecfreaks-productos-varios/82102/elecfreaks-octopus-display-7-segmen
32		0.34	10.88	https://www.supermagnete.de/eng/adhesive-magnets-neodymium/disc-magnet-self-adhesive-15mm-1mm_S-15-01-STIC?group=discs
1		1.36	1.36	https://diotronic.com/placa-60x80-fibra-vid-virgen_6214/
3		0.23		https://diotronic.com/pulsadores-circuito-impreso-smd/12432-p11517nv-puls-mini-4-5x3
1		?	?
1		1	2-5€	any PCB manufacturer
1		1	2-5€	any PCB manufacturer