Most Bluetooth clickers and USB foot pedals send keystrokes, so they work as-is. Space or Enter = start / pause · Down or Page Down = next line · Up or Page Up = previous line · Right / Left = faster / slower · B = blank screen · R = back to top · M = microphone. Volume-key remotes cannot be read by Safari — choose one that sends page or arrow keys.
One line per spoken sentence. Start a line with # for a section heading and ~ for a stage direction — neither is listened for or counted in the timing.
Open this page in Safari on the iPad, then Share ▸ Add to Home Screen so it runs full screen. Voice following needs Safari 14.5 or newer, a page served over https, and an internet connection; it listens in short bursts that restart automatically. For a beam-splitter rig turn on Mirror. If the camera sits above the iPad, keep the reading line high — around 12–18% — so your eyes stay near the lens. Everything you set here is remembered on this iPad.