raspberry pi useful commands

• See voltage of all pin – can be used in TRNG

root@lp-arm-5:~# vcgencmd pmic_read_adc
 3V7_WL_SW_A current(0)=0.09271335A
   3V3_SYS_A current(1)=0.07026696A
   1V8_SYS_A current(2)=0.12589500A
  DDR_VDD2_A current(3)=0.00292779A
  DDR_VDDQ_A current(4)=0.00000000A
   1V1_SYS_A current(5)=0.20299340A
    0V8_SW_A current(6)=0.35523850A
  VDD_CORE_A current(7)=0.68761000A
   3V3_DAC_A current(17)=0.00000000A
   3V3_ADC_A current(18)=0.00006105A
   0V8_AON_A current(16)=0.00323565A
      HDMI_A current(22)=0.01172160A
 3V7_WL_SW_V volt(8)=3.69977600V
   3V3_SYS_V volt(9)=3.30632200V
   1V8_SYS_V volt(10)=1.79975400V
  DDR_VDD2_V volt(11)=1.10732500V
  DDR_VDDQ_V volt(12)=0.60402870V
   1V1_SYS_V volt(13)=1.10256300V
    0V8_SW_V volt(14)=0.79926660V
  VDD_CORE_V volt(15)=0.72097620V
   3V3_DAC_V volt(20)=3.30768900V
   3V3_ADC_V volt(21)=3.30585700V
   0V8_AON_V volt(19)=0.79736190V
      HDMI_V volt(23)=5.02902000V
     EXT5V_V volt(24)=5.02098000V
      BATT_V volt(25)=0.00000000V