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Free firmware for the DIY Booth Call Light: a wireless call system for church media booths. The pastor, musicians and choir each get one button; the booth's LED strip pulses yellow, blue or purple to show who is calling, and a 7-second hold sends a silent red alert. Includes the booth board firmware, the call-button firmware and a one-page flashing guide. No coding needed: load it from your web browser. Full build guide, parts list and wiring are on the blog.
Free firmware for the DIY Booth Call Light: a wireless call system for church media booths. The pastor, musicians and choir each get one button; the booth's LED strip pulses yellow, blue or purple to show who is calling, and a 7-second hold sends a silent red alert. Includes the booth board firmware, the call-button firmware and a one-page flashing guide. No coding needed: load it from your web browser. Full build guide, parts list and wiring are on the blog.