I Make by combining materials and parts of ESR METER - Help Plz

[RUR]

It is possible to add capacitance meter to this.
But it will not be that accurate without additional hardware.
And I don't have time as of the moment. Sorry.

Thanks for the nice comments .

It is a so pity... But all is equal to thanks for this device. By the way on what frequency there is a measurement?

[newborn (^_^]

@silvanoservitec   galing  natapos  nyu din
+1point sa inyu

ganda  ng  frame  casing  nyu

[zer0w1ng]

By the way on what frequency there is a measurement?

I don't remember it well but is high enough.
I think 100KHz or 250KHz.
The source code was on my laptop and it is not with me right now and I cannot confirm this.

[RUR]

Еф

I don't remember it well but is high enough.
I think 100KHz or 250KHz.
The source code was on my laptop and it is not with me right now and I cannot confirm this.
[/qote]
Thanks! On the size of condenser CX how many is critical? I have put 68 мкф. It is not a lot of?

[zer0w1ng]

Thanks! On the size of condenser CX how many is critical? I have put 68 мкф. It is not a lot of?

Cx part is very critical for reading accuracy.
It must have a low ESR.
The capacitance is not really important and can range from 33 to 100uF.

[RUR]

Cx part is very critical for reading accuracy.
It must have a low ESR.
The capacitance is not really important and can range from 33 to 100uF.

I use tantalum cap (a drop-type)

[zer0w1ng]

I use tantalum cap (a drop-type)

That is fine.

[RUR]

Hallo friends! Today I tryed supply my ESR-meter from DC-DC step-up (1.5-5V) converter based on NCP1400. It works, BUT I has seen haotic switching figures of the younger category (0.0Х Ohm) is observed both at the closed electrodes and at measurement of condensers. Installation additional filtering condensers has given nothing. From the AC adapter all works normally.

[Kasamiko]

@silvano

Nice one...you can add a backlight for LCD..

[zer0w1ng]

Hallo friends! Today I tryed supply my ESR-meter from DC-DC step-up (1.5-5V) converter based on NCP1400. It works, BUT I has seen haotic switching figures of the younger category (0.0Х Ohm) is observed both at the closed electrodes and at measurement of condensers. Installation additional filtering condensers has given nothing. From the AC adapter all works normally.

Your 1.5V-5V switcher may not work well due to large and fast transients of the circuit during measurement.
Another problem maybe is your PCB layout.
If you have an oscilloscope, check the power rails for sudden dips.

Try also to put a series 10ohm resistor from the regulator and a capacitor after to somewhat isolate the 1.5V-5V switcher from the transients.

[RUR]

Your 1.5V-5V switcher may not work well due to large and fast transients of the circuit during measurement.
Another problem maybe is your PCB layout.
If you have an oscilloscope, check the power rails for sudden dips.

Try also to put a series 10ohm resistor from the regulator and a capacitor after to somewhat isolate the 1.5V-5V switcher from the transients.

Ok. Beside of them I will try use LC filter. Firstly I planned to use 2 litium battery (2x3 volt) and low-drop 5v regulator.

[zer0w1ng]

Ok. Beside of them I will try use LC filter. Firstly I planned to use 2 litium battery (2x3 volt) and low-drop 5v regulator.

Actually the ckt can be powered from a regulated 3.3V power supply.
For this to work, the R19 and R20 voltage divider for the 2V reference must be changed to provide the same 2V reference at this pin.
Also at 3.3V, the LCD can be directly connected to the MCU even without the limiting/protection resistors.

[RUR]

Actually the ckt can be powered from a regulated 3.3V power supply.
For this to work, the R19 and R20 voltage divider for the 2V reference must be changed to provide the same 2V reference at this pin.
Also at 3.3V, the LCD can be directly connected to the MCU even without the limiting/protection resistors.

Hallo!
 Your mean that protection resistors must be between data pins LCD and MCU or only between supply (8 pin) and Vdd?
By the way my experiment with LC filter and NCP1400 was successful! Now my ESR-m supply from one AA battery!

[RUR]

Question to the author:
Is it possible make changes in programm for make  lower measuring frequency from 100 kHz till 50 kHz. The matter is that for the majority of types of condensers measuring frequency is too high and indications of ESR maybe are not truthful.

[silvanoservitec]

Friends I built this site russian ESR PIC16F873 x 3 display 7 sec.
Works but has problems of mixing the digits.

Example
By measuring 1 ohm.
it shows 009 ---- 010 ---- repeatedly fast.
The display shows 01.9
For values in the middle of the range is better.
Does anyone have an idea where I could modify the source code for better viewing.
Scale from 0 to 25.5 (points race open).



Stock resistor 1.0 ohm with digit jump in .9 and 1.0.




Stock high ESR capacitor measuring right



schematic:
http://radio-konst.narod.ru/moi_konstrukcii/izm_ESR/izm_ESR.html
http://radio-konst.narod.ru/moi_konstrukcii/izm_ESR/ris1.gif


Source Code

****************************************************************************************
; — áâ®â  Š‚€�–€=20,0
         #include<p16f873.inc>
          list p=16f873         
          __CONFIG     _CP_ALL  & _DEBUG_OFF & _WRT_ENABLE_ON & _CPD_OFF &  _LVP_OFF & _BODEN_ON  &  _PWRTE_ON  &  _WDT_ON & _HS_OSC    ;Š®­ä¨£ãà æ¨ï ª®­â஫«¥à  _CP_ALL-‡ é¨â  § ¯¨á¨ ¢á¥å ¡ ­ª®¢     ; _CP_HALF  ;_CP_UPPER_256             
              errorlevel      -302       ;­¥ ¢ë¢®¤¨âì ®è¨¡ª¨ ¯¥à¥ª«î祭¨ï ¡ ­ª®¢
;============================================================================================   
;ŠŽ�‘’€�’›
K_ZAD      equ   D'60'            ;Š®­áâ ­â  § ¤¥à¦ª¨ ¯¥à¥¤ ¯à¥®¡à §®¢ ­¨¥¬ =37¬ªá
;�…ƒˆ‘’�›
         cblock H'21'
         RF                  ; ॣ¨áâà ”« £  RF=1--0à §àï¤- ¨­¤¨ª æ¨ï 1 à §àï¤ ,1à §àï¤- ¨­¤¨ª æ¨ 2 à §à¤.,2à §àï¤- ¨­¤¨ª æ¨ï 3 à §àï¤
;         UI                   ;¢à¥¬¥­­ë© ॣ¨áâà ¤«ï ¨­¤¨ª 樨
         UI1                  ; �¥£¨áâà- ¤¥áïâ¨ç­®¥ §­ 祭¨¥ ¬« ¤è¥£® 1 à §à ­  ¨­¤¨ª æ¨î
         UI2                  ; �¥£¨áâà- ¤¥áïâ¨ç­®¥ §­ 祭¨¥ 2 à §à ­  ¨­¤¨ª æ¨î
         UI3                  ; �¥£¨áâà- ¤¥áïâ¨ç­®¥ §­ 祭¨¥ áâ à襣® 3 à §à ­  ¨­¤¨ª æ¨î
         r_zad               ; �¥£¨áâà § ¤¥à¦ª¨ €–�
         cnt1                  ; �¥£¨áâà ¢à¥¬¥­­®£® åà ­¥­¨ï § ¤¥à¦ª¨
         cnt2                  ; �¥£¨áâà ¢à¥¬¥­­®£® åà ­¥­¨ï § ¤¥à¦ª¨
         cnt3                  ; �¥£¨áâà ¢à¥¬¥­­®£® åà ­¥­¨ï § ¤¥à¦ª¨
         endc
;==============================================================================================      
            org 0               ;‚¥ªâ®à á¡à®á
              goto      START
;-----------------------------------------------------------------------
         org 4               ;‚¥ªâ®à ¯à¥àë¢ ­¨ï
             retfie
;-----------------------------------------------------------------------      
         org   H'10'
segment   clrf      PCLATH      ; ’ ¡«¨æ  ¯à¥®¡à §®¢ ­¨ï DEC -> ᥬ¨á¥£¬¥­â­ë© ª®¤.
          addwf   PCL, F
         dt   03F, 06, 05B, 04F, 066, 06D, 07D, 07, 07F, 06F
;-----------------------------------------------------------------------
START                        ;ˆ­¨æ¨ «¨§ æ¨ï ॣ¨áâ஢ ¯à®æ¥áá®à
         bcf       STATUS,RP0   ;�¥à¥ª«. ­  ¡ ­ª0
         bcf           STATUS,RP1
         clrf        PORTA      ;Ž¡­ã«ï¥¬ ¯®àâ A
             clrf      PORTB      ;Ž¡­ã«ï¥¬ ¯®àâ B
             clrf      PORTC      ;Ž¡­ã«ï¥¬ ¯®àâ C      
             clrf      CCP1CON      ;‚몫îç¨âì ¬®¤ã«ì CCP
             clrf      TMR2         ;Žç¨áâ¨âì TMR2

            bsf         STATUS,RP0     ;�¥à¥ª«. ­  ¡ ­ª1
              movlw     D'49'         ; “áâ ­®¢ª  �¥à¨®¤  ˜ˆŒ
              movwf   PR2

         bcf       STATUS,RP0   ;�¥à¥ª«. ­  ¡ ­ª0
             movlw   D'24'           ;‘â à訥 ¡¨âë ᪢ ¦­®áâ¨
              movwf     CCPR1L      ;
             clrf      INTCON      ;‚몫îç¨âì ¯à¥àë¢ ­¨ï

            bsf         STATUS,RP0     ;�¥à¥ª«. ­  ¡ ­ª1
              movlw     B'00001011'     ;�®àâë R€0,R€1,RA3 ­  ¢¢®¤,RA2,RA4,RA5-¢ë¢®¤
              movwf     TRISA
         movlw     B'00000000'     ;�®àâë RB0-RB7, ­  ¢ë¢®¤
              movwf   TRISB
            movlw      B'00000001'     ;�®àâë RC1-RC7, ­  ¢ë¢®¤  RC0 ­  ¢¢®¤
              movwf   TRISC
             clrf      PIE1
             clrf      PIE2
         movlw   B'10000000'     ;� £àã§.१.¯®àâ  B ¢ëª«,⠪⠣¥­¥à.­  ¢å®¤ WDT,¯à¥¤¤.¯¥à¥¤ TMR0,ª®íä.¤¥«=1:1
              movwf   OPTION_REG   
         movlw   B'00000101'     ;‹¥¢®¥ ¢ëà ¢­¨¢ ­¨¥,RA0/AN0,RA1/AN1,RA3/Vref, RA2,RA4,RA5-–¨ä஢ë¥
              movwf   ADCON1
 
          bcf         STATUS,RP0    ;�¥à¥ª«. ­  ¡ ­ª0
             clrf      PIR1         ;‘¡à®á¨âì ¢á¥ ä« £¨ ¯¥à¨ä¥à¨©­ëå ¯à¥àë¢ ­¨©
             movlw   B'00001100'     ;¬« ¤è¨¥ ¡¨âë ᪢ ¦­®áâ¨=00, “áâ ­®¢«¥­ ०¨¬ ˜ˆŒ
              movwf   CCP1CON
             movlw   B'00000100'     ;Š®íä ¯à¥¤¤¥«¨â¥«ï TMR2 1:1; TMR2-¢ª«î祭
              movwf   T2CON
              movlw   B'00000000'     ;Š®íä ¯à¥¤¤¥«¨â¥«ï TMR1- 1:1,®â ¢­ãâà Fosc/4,TMR1- ¢ëª«îç¨âì
              movwf   T1CON

         movlw   b'00000001'   ;‡ £à㦠¥¬ ¯à¨§­ ª ¨­¤¨ª 樨 1à §à鸞 ¢ W
         movwf    RF            ;W § £à㦠¥¬ ¢ RF- �¥£¨áâà ä« £®¢

;==============================================================================================   
CIKL      clrwdt
         call      ZAD_ADC      ;‡ ¤¥à¦ª
         movlw  B'10000001'     ;“áâ ­ ¢«¨¢ Fosc-32, ¢ª«îç. ª ­ « ¯® RA0/AN0, ¯à¥®¡à §®¢ ­¨¥ ¤«ï UN1
              movwf  ADCON0    
         call      ZAD_ADC      ;‡ ¤¥à¦ª
         bsf      ADCON0,2      ;‡ ¯ã᪠¥¬ €–�-à §à¥è ¥¬ ¯à¥àë¢ ­¨¥,
R1         clrwdt
         btfsc   ADCON0,2      ;Ž¦¨¤ ¥¬ ®ª®­ç ­¨¥ ¯à¥®¡à §®¢ ­¨ï ®â €–�. „ -¯¥à¥áª ª¨¢ ¥¬ ç¥à¥§ è £
         goto   R1
         movf   ADRESH,w      ;�८¡à §®¢ ­­®¥ ­ ¯à殮­¨¥ á AN0 § ¯¨è¥¬ ¢ W

         call      napr_sopr      ;�¥à¥ª®¤¨à㥬 â ¡«¨ç­ë¬ ᯮᮡ®¬ ­ ¯à殮­¨¥ ¢ ᮯà®â¨¢«¥­¨¥
            clrf       PCLATH      ;Ž¡­ã«¥­¨¥ áâ à襣® ॣ¨áâà   ¤à¥á

         call      B_D         ;��…Ž��€‡Ž‚€�ˆ… „‚Žˆ—�ŽƒŽ ‚ „‚Žˆ—�Ž-„…‘Ÿ’ˆ—�Ž…
                           ;‚뢮¤ ­  ¨­¤¨ª æ¨î ¨ ãáâ ­®¢ª  ¯®à浪  ¨­¤¨ª 樨             
         btfss   RF,0         ;¯à®¢¥à塞 ¡ë«  1 ¢ 0 à §à拉 ॣ¨áâà  RF
         goto    EX_UI1         ;�…’-¨­¤¨ª æ¨î UI1 ­¥ ¢ë¢®¤¨¬
         bcf      PORTC,5      ;„€-£ ᨬ UI3
         movf   UI1,w         ;§ £à㦠¥¬ ॣ¨áâà UI1 ->W
         call      segment      ;�८¡à §®¢ ­¨¥ DEC--> ¢ ᥬ¨á¥£¬¥­â­ë© ª®¤
         andlw   b'01111111'      ;ãáâ ­®¢ª  ¬ ᪨ ¤«ï ¯®àâ  B
         movwf   PORTB         ;‚뢮¤¨¬ ¤ ­­ë¥ ¢ ¯®àâ B ­  ¨­¤¨ª æ¨î
         bsf      PORTC,7      ;‡ ¦¨£ ¥¬ UI1
         bcf      RF,0         ;‘¡à áë¢ ¥¬ ¯à¨§­ ª ¨­¤¨ª 樨 1 à §àï¤
         bsf      RF,1         ;ãáâ ­ ¢«¨¢ ¥¬ ¯à¨§­ ª ¨­¤¨ª 樨 2 à §àï¤
         goto    EX            
EX_UI1      btfss   RF,1         ;¯à®¢¥à塞 ¡ë«  1 ¢ 1 à §à拉 ॣ¨áâà  RF
         goto    EX_UI2         ;�…’-¨­¤¨ª æ¨î UI2 ­¥ ¢ë¢®¤¨¬
         bcf      PORTC,7      ;„€-£ ᨬ UI1
         movf   UI2,w         ;§ £à㦠¥¬ ॣ¨áâà UI2 ->W
         call      segment      ;�८¡à §®¢ ­¨¥ DEC--> ¢ ᥬ¨á¥£¬¥­â­ë© ª®¤
         andlw   b'01111111'      ;ãáâ ­®¢ª  ¬ ᪨ ¤«ï ¯®àâ  B
         movwf   PORTB         ;‚뢮¤¨¬ ¤ ­­ë¥ ¢ ¯®àâ B ­  ¨­¤¨ª æ¨î
         bsf      PORTB   ,7      ;“áâ ­ ¢«¨¢ ¥¬ § ¯ïâãî
         bsf      PORTC,6      ;‡ ¦¨£ ¥¬ UI2
         bcf      RF,1         ;‘¡à áë¢ ¥¬ ¯à¨§­ ª ¨­¤¨ª 樨 2 à §àï¤
         bsf      RF,2         ;ãáâ ­ ¢«¨¢ ¥¬ ¯à¨§­ ª ¨­¤¨ª 樨 3 à §àï¤
         goto    EX            
EX_UI2      btfss   RF,2         ;¯à®¢¥à塞 ¡ë«  1 ¢® 2 à §à拉 ॣ¨áâà  RF
         goto    EX            ;�…’-¨­¤¨ª æ¨î UI3 ­¥ ¢ë¢®¤¨¬
         bcf      PORTC,6      ;„€-£ ᨬ UI2
         movf   UI3,w         ;§ £à㦠¥¬ ॣ¨áâà UI3 ->W
         call      segment      ;�८¡à §®¢ ­¨¥ DEC--> ¢ ᥬ¨á¥£¬¥­â­ë© ª®¤
         andlw   b'01111111'      ;ãáâ ­®¢ª  ¬ ᪨ ¤«ï ¯®àâ  B
         movwf   PORTB         ;‚뢮¤¨¬ ¤ ­­ë¥ ¢ ¯®àâ B ­  ¨­¤¨ª æ¨î
         bcf      PORTB   ,7      ;“¡¨à ¥¬ § ¯ïâãî
         bsf      PORTC,5      ;‡ ¦¨£ ¥¬ UI3
         bcf      RF,2         ;‘¡à áë¢ ¥¬ ¯à¨§­ ª ¨­¤¨ª 樨 3 à §àï¤
         bsf      RF,0         ;ãáâ ­ ¢«¨¢ ¥¬ ¯à¨§­ ª ¨­¤¨ª 樨 1 à §àï¤
         call      zad_cikl
EX         goto    CIKL
;==============================================================================================      
ZAD_ADC   movlw   K_ZAD         ;‡ ¤¥à¦ª  37 ¬ªá
         movwf   r_zad
ZAD      decfsz   r_zad,f
         goto   ZAD   
         return
;==============================================================================================   
B_D                        ;¯®¤¯à®£à ¬¬  ��…Ž��€‡Ž‚€�ˆ… „‚Žˆ—�ŽƒŽ ‚ „‚Žˆ—�Ž-„…‘Ÿ’ˆ—�Ž…
          movwf    UI1            ;bin ¨§ w ¯®¬¥áâ¨âì ¢ UI1
                           ;¯à®£à ¬¬  ¯à¥®¡à §®¢ ­¨ï
B_D_UI      clrf    UI2            ;®¡­ã«¨âì UI2
         clrf    UI3            ;®¡­ã«¨âì UI3
gtenth      movlw    .10            ;dec=10 ¯®¬¥áâ¨âì ¢ w
         subwf    UI1,W         ;à §­®áâì ᮤ¥à¦ ॣ¨áâ UI1 ¨ w § ­®á¨âáï ¢ w(¥á«¨ w=1)¨«¨ ¢ UI1(¥á«¨ w=0)
          btfss    STATUS,C      ;¥á«¨ C ¢ ॣ¨áâॠSTATUS=1 â® ¯¥à¥¯à룭ãâì STATUS=0 â® ¡¥§ãá« ¯¥à¥å®¤
         goto    gtenth1         ;
         movwf    UI1            ;w § ­¥á⨠¢ UI1
         incf    UI2,F         ;ᮤ¥à¦ ॣ¨áâà  UI2+1 § ­®á¨âáï ¢  UI2
         goto    gtenth         ;
gtenth1      movlw    .10            ;dec=10 ¯®¬¥áâ¨âì ¢ w
         subwf    UI2,W         ;à §­®áâì ᮤ¥à¦ ॣ¨áâ UI2 ¨ w § ­®á¨âáï ¢ w(¥á«¨ w=1)¨«¨ ¢ UI2(¥á«¨ w=0)
          btfss   STATUS,C      ;¥á«¨ C ¢ ॣ¨áâॠSTATUS=1 â® ¯¥à¥¯à룭ãâì STATUS=0 â® ¡¥§ãá« ¯¥à¥å®¤
         goto    over            ;
         movwf   UI2            ;w § ­¥á⨠¢ UI2
         incf    UI3,F         ;ᮤ¥à¦ ॣ¨áâà  UI3+1 § ­®á¨âáï ¢  UI3
         goto    gtenth1   
over         return
;==============================================================================================   
zad_cikl

                   return
;==============================================================================================            
         org   H'1FE'         ; ’ ¡«¨æ  ¯à¥®¡à §®¢ ­¨ï ­ ¯à殮­¨¥ ¢ ᮯà®â¨¢«¥­¨¥
napr_sopr
      bsf     PCLATH,1
          addwf   PCL,F
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF
      dt   0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF, 0FF   
      dt   0FF, 0FF, 0FD, 0FA, 0F5, 0F0, 0EB, 0E6, 0E1, 0DC, 0D7, 0D2, 0CD, 0C8, 0C5, 0C2
      dt   0BE, 0BB, 0B8, 0B4, 0B1, 0AF, 0AD, 0AA, 0A7, 0A5, 0A3, 0A0, 9D, 9B, 99, 96, 93
      dt   91, 8F, 8C, 89, 87, 85, 82, 7F, 7D, 7B, 78, 75, 73, 71, 6E, 6C 
      dt   6A, 68, 66, 64, 61, 5F, 5D, 5A, 58, 56, 54, 52, 50, 4E, 4C, 4A
      dt   48, 46, 45, 43, 41, 40, 3E, 3C, 3B, 39, 37, 35, 34, 32, 30, 2E
      dt   2C, 2A, 28, 26, 25, 23, 22, 20, 1F, 1E, 1D, 1C, 1A, 19, 17, 15 
      dt    14, 13, 12, 10, 0F, 0E, 0D, 0B, 0A, 09, 08, 07, 06, 05, 03, 00
;==============================================================================================

   end

************************************************************************************************
sds
silvanoservitec

[RUR]

Hallo, silvanoservitec! Look at this circit. I think it's more better:
http://translate.google.com/translate?hl=ru&sl=ru&tl=en&u=http%3A%2F%2Fmonitor.net.ru%2Fforum%2Ftopic275311-0.html
You accept accuracy of measurements of the first device?

[silvanoservitec]

RUR I'm riding that you posted too.
But as is more complex'll leave it for later.
I set up this photo and is stalling to 60 days.
He is more sensitive 0001 ohm, but it will give problems with cable testing.
At the moment I want to see if we can improve this before I posted PIC16F873 + 03 Display 7sec.


sds
silvanoservitec  brazil

[RUR]

RUR I'm riding that you posted too.
But as is more complex'll leave it for later.
I set up this photo and is stalling to 60 days.
He is more sensitive 0001 ohm, but it will give problems with cable testing.
At the moment I want to see if we can improve this before I posted PIC16F873 + 03 Display 7sec.


sds
silvanoservitec  brazil

RUR I'm riding that you posted too.
But as is more complex'll leave it for later.
I set up this photo and is stalling to 60 days.
He is more sensitive 0001 ohm, but it will give problems with cable testing.
At the moment I want to see if we can improve this before I posted PIC16F873 + 03 Display 7sec.


sds
silvanoservitec  brazil

What is the interesting device on your foto? Do you have a link to this scheme?

[silvanoservitec]

RUR scheme is the same as you ~ and posted.
I just drew it again but no link all jump.
I do a version in SMD tbm equal to the original link.
I've done a screen silck screem.
http://www.elektroda.pl/rtvforum/topic904845-30.html

sds
silvanoservitec

[RUR]

RUR scheme is the same as you ~ and posted.
I just drew it again but no link all jump.
I do a version in SMD tbm equal to the original link.
I've done a screen silck screem.

http://www.elektroda.pl/rtvforum/topic904845-30.html

sds
silvanoservitec

UUPS.....Clear...
As I see on you foto ESR-meter with LCD3310 show word "BON"
it merans "good" on portugal? Do you compiled source code independently?