Dc Voltage Current Meter
![IMG_20180725_214520_HDR (1).jpg](/proxy/?url=https://content.instructables.com/F8W/7DLG/JK10SB3Y/F8W7DLGJK10SB3Y.jpg&filename=IMG_20180725_214520_HDR (1).jpg)
the dc volt and ammeter is use to test circuit or measure power flow through many sources.i make 3 unit in one you can make as your need
Parts Neerd
![IMG_20180413_200012.jpg](/proxy/?url=https://content.instructables.com/FXO/87BV/JHUU0A1X/FXO87BVJHUU0A1X.jpg&filename=IMG_20180413_200012.jpg)
![IMG_20180413_200022.jpg](/proxy/?url=https://content.instructables.com/FND/LFDP/JHUU0A1Y/FNDLFDPJHUU0A1Y.jpg&filename=IMG_20180413_200022.jpg)
![IMG_20180413_200025.jpg](/proxy/?url=https://content.instructables.com/F3M/LJ3I/JHUU0A20/F3MLJ3IJHUU0A20.jpg&filename=IMG_20180413_200025.jpg)
![IMG_20180413_200038.jpg](/proxy/?url=https://content.instructables.com/F8F/XDUH/JHUU0A2N/F8FXDUHJHUU0A2N.jpg&filename=IMG_20180413_200038.jpg)
- digital volt ammeter
- 4mm banana tetminal
- Encloser (I use old cd rom case)
- wooden pice
- power supply
Connection of Display
![Screenshot (48).png](/proxy/?url=https://content.instructables.com/F0L/8YEM/JI4U2NOQ/F0L8YEMJI4U2NOQ.png&filename=Screenshot (48).png)
this is connection of display to banana terminal also power for display
the connection of display may be change as display change
Make Sutable Measurement
![IMG_20180413_200708.jpg](/proxy/?url=https://content.instructables.com/FNR/U96B/JI4U2QJS/FNRU96BJI4U2QJS.jpg&filename=IMG_20180413_200708.jpg)
![dc lab bench volt ammeter](/proxy/?url=https://content.instructables.com/F2A/I6NS/JI4U2WGL/F2AI6NSJI4U2WGL.jpg&filename=dc lab bench volt ammeter)
make suatable measurement
Power Supply
![IMG_20180413_214928.jpg](/proxy/?url=https://content.instructables.com/FYN/32DT/JI4U2RVY/FYN32DTJI4U2RVY.jpg&filename=IMG_20180413_214928.jpg)
![IMG_20180413_213806.jpg](/proxy/?url=https://content.instructables.com/FKR/Y5I4/JI4U2S0H/FKRY5I4JI4U2S0H.jpg&filename=IMG_20180413_213806.jpg)
![IMG_20180413_212920.jpg](/proxy/?url=https://content.instructables.com/F7C/UWM8/JI4U2S9S/F7CUWM8JI4U2S9S.jpg&filename=IMG_20180413_212920.jpg)
![Screenshot (49).png](/proxy/?url=https://content.instructables.com/FZ7/OKCD/JI4U2UIL/FZ7OKCDJI4U2UIL.png&filename=Screenshot (49).png)
i make 5V power supply for display you can use 5V smps also
Assambly
![IMG_20180414_083530.jpg](/proxy/?url=https://content.instructables.com/FGM/PJ3A/JI4U2V7M/FGMPJ3AJI4U2V7M.jpg&filename=IMG_20180414_083530.jpg)
![IMG_20180414_090020.jpg](/proxy/?url=https://content.instructables.com/FQD/WBAL/JI4U2VC5/FQDWBALJI4U2VC5.jpg&filename=IMG_20180414_090020.jpg)
connect all parts together
Done
![dc lab bench volt ammeter](/proxy/?url=https://content.instructables.com/F2A/I6NS/JI4U2WGL/F2AI6NSJI4U2WGL.jpg&filename=dc lab bench volt ammeter)
you watch video for more info