Bela Portable Modular

arduino nano v4 + ethernet shield 10.91$ free ship (1 per module) https://www.ebay.ca/itm/USB-Nano-V4-0-V3-0-Atmega328P-Board-ENC28J60-Ethernet-Shield-Module-For-Arduino/112264690397?hash=item1a237f3add:m:mSGzCux1_UaW6lQOH-VtsjQ

beagle bone black 90$ local (1 per instrument) https://abra-electronics.com/robotics-embedded-electronics/beagle-bone/beaglebone-black-rev-c-beaglebone-black.html

bela 70 pounds + ship (1 per instrument) https://shop.bela.io/bela/bela-cape

hammond boxes https://www.hammfg.com/electronics/small-case/chassis/1444 5×13,50×2 546-1444-18

bud boxes https://www.budind.com/view/Aluminum+Enclosure/Aluminum+Chassis 6x8x2

https://www.ebay.ca/itm/FLAT-Ethernet-CAT6-Network-Cable-Patch-Lead-RJ45-for-Smart-TV-PS4-Xbox-Wholesale/263440240966?hash=item3d56431146:m:mRRvs5E7TgGTBfsyUrSfyEQ

https://www.ebay.ca/itm/8-Port-10-100Mbps-Ethernet-Network-Switch-HUB-Desktop-Fast-LAN-Switcher-Adapter/263324911036?hash=item3d4f6345bc:g:qWEAAOSwSrNaC~CG

https://www.aliexpress.com/item/High-Performance-Mini-Network-Switch-HUB-RJ45-8-Port-10-100Mbps-Fast-LAN-Ethernet-Network-Switch/32803136768.html?spm=2114.search0104.3.8.2335736fYbXqxs&ws_ab_test=searchweb0_0,searchweb201602_4_10152_10151_10065_10344_10068_10130_5722815_10342_10547_10343_10340_5722915_10548_10341_5722615_10696_10084_10083_10618_10139_10307_5722715_10059_10534_100031_10103_441_10624_10623_10622_5722515_10621_10620,searchweb201603_25,ppcSwitch_7&algo_expid=ea835d49-7f91-4fbe-a8bd-e02a6ec70e6f-1&algo_pvid=ea835d49-7f91-4fbe-a8bd-e02a6ec70e6f&priceBeautifyAB=0

usb mini vertical through hole https://www.digikey.ca/product-detail/en/te-connectivity-amp-connectors/2041517-1/A118097CT-ND/4729908

ethernet connector vertical through hole https://www.digikey.ca/product-detail/en/stewart-connector/SS-74301-001/380-1321-ND/4050064