DIY 4-Digit LED Digital Voltmeter Module (DC 0~20V)

DIY 4-Digit LED Digital Voltmeter Module (DC 0~20V)

4 (2 product reviews)Added 4 years ago
US$ 6.92 Free worldwide shipping!
DealExtreme
- Model: 125 - Color: Black - Material: Plastic - 4-digit red LED display - Measuring range: DC 0~20V - DC 5V, display range: 0~4.999V; DC 10V, display range: 0~9.999; DC 20, display range: 0~19.99V - Widely used in measuring voltage of teaching instruments, electric welder, electromechanical devices - Package includes: - 1 x Digital voltmeter module - 1 x Testing cable (7cm) Dimensions: 3.03 in x 1.65 in x 0.98 in (7.7 cm x 4.2 cm x 2.5 cm) Weight: 1.23 oz (35 g)
May 2015by walker12
Very useful, but power hungry. Pros: Easy to use. Can measure positive and negative full scale voltages! Cons: Very power hungry! Draws around 80 mA at 5V depending on measured voltage. Other ideas: It starts working from around 3,1V power supply input,...translate
Jul 2013by Megaavr
Great value meter using standard ICL7107. This meter uses the ICL7107 3.5 digit meter chip one of a very reliable long used series of chips the data sheet can be found at Intersils web site or by using google. Having all this information avaliabe you can make to a...translate