Inclusion Criteria:  age range: 14 to 80 years DM1 diagnosed  Patients with type 1 diabetes and poor glycemic control, defined as:  HbA1c ≥ 6.5% during more than a year and/or extreme variations (more than 1% of change in HbA1c in the last 2 years) and regular visits to the Endocrinology Unit / Diabetes Unit (more than four each year). Signed informed consent form Ability of the subjects to use the system and fill the included questionnaires Ability and willingness of following and be compatible with the protocol of the clinical trial  Exclusion Criteria:  Rejection or inability to give the informed consent to participate in the trial. Pregnancy or lactation Addiction or abuse of alcohol, or history of drug abuse in the last years Dementia diagnosis Acute infection Any illness or condition that, according to investigator, could interfere with the trial