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Voltmeter Suite DIY Kits Electronic Parts Suite DIY Voltmeter Meter

SKU1243472100

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specification:

  1. Voltmeter Kit
  2. Kit model: VOT-8
  3. Operating voltage: 3.5V ~ 25V
  4. PCB size: 33 x 52mm
  5. Measuring range: 0V ~ 30V
  6. Measurement accuracy: 0.1V


Feature:

  • The VOT-8 voltmeter kit is controlled by key-switch and can work well under the condition of two-wire or three-wire system
  • The two-wire ( by measuring voltage of the the VOT-8 power supply ), the measurement range of 3.5V to 25V
  • The three-wire ( by the external power supply voltage of 3.5V ~ 25V the VOT-8 power supply ), the measurement range 0V to 30V


Production steps:

  • Welding resistance
  • Welding capacitors, diodes, potentiometers
  • Welding of the key switch,Attention to the direction
  • Welding IC socket
  • Installing digital tube
  • Installation of single-chip and copper pillar (Note microcontroller direction)
  • Produced clip cord
  • Calibration voltage table:
  • Multimeter voltage profile, or a known voltage source voltage adjustment the VR1 potentiometer calibration


Principle of Operating:

The measured voltage is inputted via J1 PIN3. And it's inputted to the SCM PIN23 after the pressure resistance through R1, VR1 and R2. The analog voltage will be transferred to digital signal through the A/D converter inside of the SCM. At last, the measured voltage will be displayed on the digital tube after scanning the digital tube.
The system power is connected reversely through S1 polarity. And the IC of diode (from D1 to U2) outputs voltage 3.3V.

Note:

We are just retailer, we can not offer any technical support, please make sure you know how to use before order, thank you!

Package included:

1 x DIY Voltmeter Kits
 

Let op! wij kunnen helaas geen technische ondersteuning bieden voor dit product.

zorg ervoor dat u bekend bent met het product voor de aankoop!

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Voltmeter Suite DIY Kits Electronic Parts Suite DIY Voltmeter Meter

Voltmeter Suite DIY Kits Electronic Parts Suite DIY Voltmeter Meter