Off-grid, standalone version of PicoWeatherStation powered by strawberryAPI.
- Logging temperature & humidity.
- Logging battery & pv voltage.
- Access to logged data through WiFi hotspot and web app.
- Logs visualisation using
chart.js.
- clone repo
- clone submodules
git submodule update --init --recursive
- set
HOTSPOT_SSIDandHOTSPOT_PASSWORDinconfig.py - set
WEATHER_LOGS_PER_HOURinconfig.py(default logging sensors data every 20 minutes). - format sd card (FAT32).
chart.jssetup: rpi pico doesn't have enough space for flashing css/js libs, getchart.jsfrom cdns (https://cdn.jsdelivr.net/npm/chart.js@4.3.0/dist/chart.umd.min.js), then put it on sd card/static/libs/chart.js.- flash
RPi Pico.
| Part Name | Quantity |
|---|---|
| Raspberry Pi Pico W | 1 |
| DHT20 temperature and humidity sensor | 1 |
| DS3231 I2C RTC module | 1 |
| MicroSD card | 1 |
| SPI MicroSD card reader module | 1 |
| Circuit board (70x90mm) | 1 |
| Waterproof case | 1 |
| Gold pin connectors | ? |
| Connecting wires | ? |
| Cell holder for 2x 18650 battery | 1 |
| 18650 li-ion battery | 2 |
| Step-down Voltage Regulator - 1,0V-17V | 1 |
| Step-up converter 5V | 1 |
| TP4056 1S 3,7V with protection | 1 |
| 6V solar panel 165x135x3mm | 2 |
| 1A fuse with wires | 1 |
| 3.3V zener diode | 2 |
| 4.7k resistor | 1 |
| 1k resistor | 1 |
| 10k resistor | 2 |
| ARK connector raster 5.0mm 2 pin | 3 |
| 3mm screws and nuts | ? |
| 4mm screws and nuts | ? |
all models are provided in freecad project files for easier modifications.
| Part Name | Quantity |
|---|---|
| bat_mount | 1 |
| case_backplate | 1 |
| case_bridge | 2 |
| case_m_top | 1 |
| case_th_connector | 1 |
| pcb_mount | 1 |
| pv_b_holder | 2 |
| pv_b_s_mount | 2 |
| pv_t_mount | 1 |
| pv_s_mount | 2 |
| pv_t_s_mount | 2 |
| th_holder | 1 |
| th_holder_b | 1 |
| th_holder_mount | 1 |