Load Cell 50kg
https://de.aliexpress.com/item/32961462970.html?spm=a2g0o.productlist.0.0.46d91cca2fXbja&algo_pvid=b14c8be3-c372-4971-a7e6-b6ba13e03236&algo_expid=b14c8be3-c372-4971-a7e6-b6ba13e03236-1&btsid=0f841574-ad82-47f9-bbbd-fa1c46b4bba4&ws_ab_test=searchweb0_0,searchweb201602_2,searchweb201603_52
$24


Wemos ESP32 with 18650 battery holder, Groesse: 9.1 cm  x 3.0 cm, usb at the side
https://de.aliexpress.com/item/32860090110.html?spm=a2g0o.productlist.0.0.67c732eeceGb5S&algo_pvid=4f5823a3-2d47-4afb-95a5-7ba85055f121&algo_expid=4f5823a3-2d47-4afb-95a5-7ba85055f121-4&btsid=ea1860aa-ff90-4cd7-bb92-ade7cfa85eac&ws_ab_test=searchweb0_0,searchweb201602_2,searchweb201603_52
$ 5


Akku
https://de.aliexpress.com/item/32908447004.html?spm=a2g0o.productlist.0.0.5f78199bMJJy0k&algo_pvid=b0eb97b9-df11-41ea-bb67-e96c1df7d292&algo_expid=b0eb97b9-df11-41ea-bb67-e96c1df7d292-0&btsid=b910d832-bcde-4807-8a97-edbbcca846df&ws_ab_test=searchweb0_0,searchweb201602_2,searchweb201603_52
$ 3

Connector
https://de.aliexpress.com/item/32899642702.html?spm=a2g0x.search0302.3.54.34441675lAu97T&ws_ab_test=searchweb0_0,searchweb201602_0_453_454_10618_536_317_537_319_10059_10696_10084_10083_10547_10304_10821_10843_10887_10307_321_10548_322_10065_10068_10103_10884_10820_10302,searchweb201603_0,ppcSwitch_0&algo_pvid=d5cf53ae-9cc8-45b9-ab1c-c77f38b7c706&algo_expid=d5cf53ae-9cc8-45b9-ab1c-c77f38b7c706-6
$1.5

HX711
https://de.aliexpress.com/item/32878181081.html?spm=a2g0o.productlist.0.0.19202f024UQZQP&algo_pvid=b4f3e85e-9190-4b8d-9b9e-0100fa84037e&algo_expid=b4f3e85e-9190-4b8d-9b9e-0100fa84037e-1&btsid=ae27657b-596a-43fa-8cc8-bc9cba1d5bcf&ws_ab_test=searchweb0_0,searchweb201602_2,searchweb201603_52
$1


Case 
https://www.banggood.com/ABS-Plastic-Electronic-Enclosure-Project-Box-Black-103x64x40mm-p-951179.html?rmmds=buy&cur_warehouse=CN
$4-10