I just remembered you may have a problem with the L01 because i think it may be a 5 volt device… i think it will communicate with 3v3 logic but it needs 5v power… you may need to connect the power to the 5v pin… but be careful at your own risk
I just remembered you may have a problem with the L01 because i think it may be a 5 volt device… i think it will communicate with 3v3 logic but it needs 5v power… you may need to connect the power to the 5v pin… but be careful at your own risk