Weather Station Schematic
------------------------------------
__________________
| SX Board | (Momentary Switches) O +5v
| | Wind Speed Sensor _|_ |
| D0 | --------------------------------+------o o-----------------------------------+
| | +--------------| (----------+ |
| | Wind Dir North Sensor _|_ .01u | |
| D1 | --------------------------------+------o o-----------------------------------+
| | +--------------| (----------+ |
| | Wind Dir East Sensor _|_ .01u | |
| D2 | --------------------------------+------o o-----------------------------------+
| | +--------------| (----------+ |
| | Wind Dir South Sensor _|_ .01u | |
| D3 | --------------------------------+------o o-----------------------------------+
| | +--------------| (----------+ |
| | Wind Dir West Sensor _|_ .01u | |
| D4 | --------------------------------+------o o-----------------------------------+
| | +--------------| (----------+ |
| | .01u |
| D5 | -- |
| | |
| D6 | -- |
| | |
| D7 | -- |
| | +5v O |
| | | -------------| |
| | +-----------------O-------------- | Rain |
| | 10k | Sensor |
| E0 | -----------+--/\/\/\------+--------------O-------------- | |
| | | | -------------| |
| | | < 100k |
| | 10k | 0.01u > |
| E1 | --/\/\/\---+----| (-------+----------------------------------------------------+
| | |
| | +5v O _____ |
| | | ----| 6 | |
| | | ----| 5 | MPX4115 |
| | | ----| 4 | (Pressure |
| | | O------| 3 | Sensor) |
| | 10k 1k +--O------| 2 | |
| E2 | -----------+--/\/\/\------+---/\/\/\----O------|_1___| |
| | | < | |
| | 10k | 0.1u > 4.7k | |
| E3 | --/\/\/\---+----| (-------+-------------+--------------------------------------+
| | |
| | +5v O |
| | | ______ |
| | 10k 1k O------| 3 | HIH3610 |
| E4 | -----------+--/\/\/\------+---/\/\/\-----O------| 2 | (Humidity |
| | | | O------|_1____| Sensor) |
| | | < 4.7k | |
| | 10k | 0.1u > | |
| E5 | --/\/\/\---+----| (-------+--------------+-------------------------------------+
| | |
| E6 | --- --- --- + |
| | / < \ (already installed |
| | \ > / Thermistor) |
| E7 | --- --- --- + |
| | |
| Gnd | -----------------------------------+-------------------------------------------+
|________________| |
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=
| file: /Techref/scenix/contest/wthsta/Schem.txt, 6KB, , updated: 2002/5/1 18:37, local time: 2025/4/29 19:52,
3.147.140.23:LOG IN
|
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Ashley Roll has put together a really nice little unit here. Leave off the MAX232 and keep these handy for the few times you need true RS232! |
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