The splitter and range are on one switch.
Parts for build:
USB Encoder: https://www.aliexpress.com/item/1005002273123840.html?spm=a2g0o.productlist.main.12.41b8776dxkeGLg&algo_pvid=bbccd8f5-79fa-4a94-a4b0-1d489aeff848&algo_exp_id=bbccd8f5-79fa-4a94-a4b0-1d489aeff848-11&pdp_ext_f=%7B%22order%22%3A%22219%22%2C%22eval%22%3A%221%22%7D&pdp_npi=4%40dis%21EUR%214.14%213.78%21%21%214.40%214.02%21%40211b653717422479605407943e14f5%2112000019879756766%21sea%21HR%214422186890%21X&curPageLogUid=96lrZG5YJUOl&utparam-url=scene%3Asearch%7Cquery_from%3A
Switch: https://www.aliexpress.com/item/4000545485594.html?spm=a2g0o.productlist.main.3.652c4be3JyfTCi&algo_pvid=eb7b1862-1d22-4812-8877-8e62cf09ad3b&algo_exp_id=eb7b1862-1d22-4812-8877-8e62cf09ad3b-2&pdp_ext_f=%7B%22order%22%3A%22189%22%2C%22eval%22%3A%221%22%7D&pdp_npi=4%40dis%21EUR%211.35%211.29%21%21%211.44%211.38%21%402103867617422477585957837ec413%2110000002800696645%21sea%21HR%214422186890%21X&curPageLogUid=bDsc1tIygXBu&utparam-url=scene%3Asearch%7Cquery_from%3A