Systems and methods are provided to transmit a data encoded power signal to addressable devices. A lighting controller sends the data encoded power waveform to a plurality of addressable lighting modules to power and control illumination intensity of lighting. The lighting modules are configured to receive the data encoded power signal via a two-wire communication network, decode illumination intensity data from the data encoded power signal, and generate a PWM signal responsive to the decoded illumination intensity data. The lighting modules use the data encoded power signal as a time base to synchronize the PWM signal to the data encoded power signal to reduce flickering when applying the PWM signal to control the illumination intensity of LEDs associated with the lighting modules.