How to correctly wire the rechargeable headlamp three wire circuit boards

First, the interface of the LED lamp beads

LED Rechargeable headlamp circuit board on the LED lamp bead interface generally have three lines, respectively, red, black and white. Among them, red and black are directly connected to the positive and negative poles of the battery, and white is connected to the control line of the switch. The correct wiring method is:

1. Connect the red wire of the LED bead to the positive terminal of the battery and the black wire to the negative terminal of the battery.

2. Connect the white wire to the foot of the control switch.

Second, the interface of the battery

COB and LED Rechargeable headlamp circuit board on the battery interface exists in many forms, but generally also three lines, respectively, red, black and yellow. Among them, red and black are the same positive and negative poles, while the yellow is the middle line connecting the charging control circuit. The correct wiring method is:

1. connect the red wire to the positive terminal of the battery and the black wire to the negative terminal of the battery.

2. Connect the yellow wire to the middle electrode of the battery.

Third, the charger connection

The charger of the rechargeable headlamp is usually with a USB port, but there are some with a plug. The correct charging method is:

1. Connect the USB port or plug of the charger to the power supply.

2. Connect the other end of the charger to the charging port of the rechargeable headlamp.

In short, with the correct wiring, you can take full advantage of the convenience of the rechargeable headlamp. After charging, the rechargeable headlamp with USB port can also be connected to a computer for data transfer.