wired board 1
compact socket
slot board 5 == -/+ two pins / front and back side
- transistor-dat
V+正极接电源V-负极接电源，F+和F-接散风扇，LH-和+接灯
slot board 4 == -/+ two pins
slot board 3
stack board
- OLED-dat - portable-soldering-iron-dat 是驱动烙铁头的，输出有2~3伏的电压。没有烙铁头。没法实验
这种电烙铁头的电阻值视电池电压和功率而定，一般在零点几欧姆到3欧姆，2.5欧姆正常。
triangle soldering slot plug board
- two rows of soldering together
SW-18010P - sensor-tilt-switch-dat - sensor-dat
PCB slot plug board
== weltrend-dat
card
- TPA3100D2
chained board
