Post correction. Issue was only human error.
Rock Pi 4B HDMI input not detected
Hi @TheHermit
Could you measure the voltage of HDMI connector pin19? the value must be high when insert HDMI,otherwise low.
Post correction. Issue was only human error.
Hi @TheHermit
Could you measure the voltage of HDMI connector pin19? the value must be high when insert HDMI,otherwise low.