| layout |
title |
permalink |
sequence |
manufacturing |
downloads |
features |
firmware_instructions |
start |
Start |
/ |
1 |
true |
| code |
schematic |
layout |
kicad |
gerber |
bom |
freecad |
case |
true |
true |
true |
true |
true |
true |
false |
false |
|
| detail |
Read humidity and temperature values from the sensor <code>Si7021</code> |
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| detail |
Read LiPo battery levels |
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| detail |
Display the current humidity value through the on-board LEDs |
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| detail |
Wakeup every <code>6 hours</code> or on button press to read the sensor and send data to the cloud |
|
| detail |
Sleep after sending data to IFTTT |
|
| detail |
Check for stored WiFi credentials upon waking up and connect back to the store WiFi |
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| detail |
Connect to WiFi with the stored credentials |
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| detail |
Setup an AP mode if WiFi cannot be connected |
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| detail |
Send sensor and battery values to IFTTT if WiFi is connected |
|
| detail |
Wait for <code>5 minutes</code> in AP mode is WiFi is not connected |
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| detail |
Sleep after waiting for <code>5 minutes</code> in AP mode |
|
| detail |
Charge the LiPo by plugging in the USB cable into the battery shield |
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⚠️ USB Connectors on WeMos D1 Mini vs WeMos battery shield
- Do not plug in the USB cable on WeMos D1 Mini while the battery shield is on the PCB
- Flashing firmware: Remove the battery shield from the PCB and use the USB cable on the WeMos D1 mini
Charge the LiPo by plugging in the USB cable into the battery shield