BOM

Reset switch
https://www.digikey.de/product-detail/de/c-k/KMR432G-LFS/CKN10251CT-ND/2176502

user button
https://www.digikey.de/product-detail/de/te-connectivity-alcoswitch-switches/1825027-5/450-1662-ND/529484

super cap
https://www.digikey.de/product-detail/de/kemet/FC0V474ZFTBR24/399-10942-1-ND/4506394

crystal
https://www.digikey.de/product-detail/de/abracon-llc/ABLS-8.000MHZ-B4-T/535-10212-1-ND/2184247

rtc-crystal
https://www.digikey.de/product-detail/de/diodes-incorporated/G43270021/G43270021CT-ND/6111475

LED Connector
https://www.digikey.de/product-detail/de/molex-llc/0901362103/WM8194-ND/760908

Reverse protection
https://www.digikey.de/product-detail/de/diodes-incorporated/SBRT3U40P1-7/SBRT3U40P1-7DICT-ND/4747681

ESP
https://de.aliexpress.com/item/New-version-ESP-12E-replace-ESP-12-ESP8266-remote-serial-Port-WIFI-wireless-module/32339917567.html

USB connector
https://www.digikey.de/product-detail/de/amphenol-fci/10118194-0001LF/609-4618-1-ND/2785382

ESD Protection
https://www.digikey.com/product-detail/en/stmicroelectronics/USBLC6-2SC6/497-5235-1-ND/1121688

====== CAPACITORS

100u - Tantal
https://www.digikey.de/product-detail/de/avx-corporation/TAJD107M010RNJ/478-3918-1-ND/1126964

1u
https://www.digikey.de/product-detail/de/samsung-electro-mechanics/CL21B105KOFNNNG/1276-6471-1-ND/5958099

33p
https://www.digikey.de/product-detail/de/samsung-electro-mechanics/CL21C330JBANNNC/1276-1105-1-ND/3889191

22p
https://www.digikey.de/product-detail/de/samsung-electro-mechanics/CL21C220JBANNNC/1276-1047-1-ND/3889133

100n
https://www.digikey.de/product-detail/de/samsung-electro-mechanics/CL21B104MBCNNNC/1276-2450-1-ND/3890536

10u
https://www.digikey.de/product-detail/de/samsung-electro-mechanics/CL21A106KOQNNNG/1276-6455-1-ND/5958083