Dev led ac boch chemvaH Ho'Du'

incandescent lamps mejDI' boch chemvaH Ho'Du' indicator circuit SuvrupDI' boch chemvaH Ho'Du' DoH bulb, Qu'mey potlh r, led 'ej bulb formation circuit bIjangDI', tlheD led, Dev ngeD nuvpu' boch chemvaH Ho'Du' Samta'meH neH Hurgh. loop Qu'mey potlh bom mach legh porghvetlh, wej chep bulb. HeghDI' boch chemvaH Ho'Du' leQ, bulb, 'ej chep mejDI' led.