package
0.0.0-20240917142712-10102bbdc223
Repository: https://github.com/shanghuiyang/rpi-projects.git
Documentation: pkg.go.dev
# README
Auto Fan
Auto-Fan let you the fan working with a relay and a temperature sensor together. The temperature sensor will trigger the relay to control the fan running or stopping.
Connect
temperature sensor:
- vcc: 3.3v
- dat: GPIO-4
- gnd: GND
realy:
- vcc: 5v
- in: GPIO-7
- gnd: GND
- on: fan(+)
- com: bettery(+)
o---------o
| |
|temperature
|sensor | o---------------o
| | +-----------+ |fan |
| | +---------+ * 1 2 * +---------+ | \_ _/ |
o-+--+--+-o | | o o | | | \ / |
| | | | +------+ * 4 o | | | ----*---- | +----------+ +----------+
gnd dat vcc | | +---+ * 9 o | | | _/ \_ | | | | |
| | +-------+ | | | o o | | | / \ | | | | |
| | | | | o o | | | | | o-----------o |
| +-------------+ | | o o | | o-----+---+-----+ | | - + | |
| | | o o | | | | | | | |
+-------------------+ | o o | | | | | | power | |
| o o | | | +----------+ o-----------o |
| o o | | | |
| o o | | | +------------------------------------+
| o 26 * +------+ | NO COM
| o o | | | | |
| o o | | | o-----+----+---o
| o o | | +-vcc-+ relay |
| o 34 * +--+ | | / |
| o o | +--------gnd-+ / |
| o o | | | o ------o |
| o 39 40 o | +-----in-+ |
+-----------+ o--------------o