Battery level indicator Power indication module Range 4V-20V Robot accessories
First, the parameters of the power indicator sensor
Input voltage:4V-20V
Input Current:Less than 10mA
Display method:Display in four levels, through RW1Adjustable display voltage
size:(Length) 30mm * (width) 17mm * (height) 12mm
Connection method:
VCC: power interface.
GND: power ground interface.
IN: Input display voltage. (When the battery is connected to display the power, it can be connected to VC)
Second and fourth gear display battery status
A. 60% (green light L1);
B.70% (green light L1 + green light L2);
C.80% (green light L1 + green light L2 + green light L3);
D.90% (green light L1 + green light L2 + green light L3 + green light L4);
Adjust the input voltage through the RW1 potentiometer.
Third, the use of power indicator sensor
Any power display, which can adjust the power of the currently connected power supply through an adjustable resistor on the board. The volume is a bit larger than a dime. The smallest electric display in Taobao is very convenient for DIY. Portable radios, portable speakers, aircraft models, battery cars, electric cars, cars, etc., you can see the power situation at any time, you will use it whenever you think about it.
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