My setting for minimum power consumption. What is not specified remains in the default settings.
| Device | Deep Sleep | Light Sleep | MCU on | use case |
|---|---|---|---|---|
| Heltec WSL V3 | 50 uA | 10,9 mA | 109 mA | solar gateway, disposable battery sensor |
| Heltec V2.1 | 3,9 mA | 18 mA | 60 mA | mobile gateway with solar to extend the runtime |
| T-LoRa V2.1-1.6 | 1,9 mA | 12,7 mA | 60 mA | mobile gateway with solar to extend the runtime |
Heltec Wireless Stick is suitable for solar nodes for sensors or for small mesh networks without much rebroadcast.
- 0: LongFast
- 1: admin ~ configuring using the app and a second node
- Role: CLIENT ~ rebroadcast later or not
- Serial output enabled: FALSE ~ ESP32 may Light Sleep
- Rebroadcast: LOCAL_ONLY ~ forward less
- Disable LED ~ less power consumption
- Broadcast interval: 1200 ~ every 20 minutes
- Smart position enabled: FALSE
standard firmware (without fork / default battery management system):
- Enable power saving: TRUE ~ use light sleep
- Shutdown on battery delay; 0 ~ avoid deep sleep on battery charge detection issue
- Wait for Bluetooth: 25 ~ after 25 seconds in light sleep
- Super deep sleep: 43200 ~ 12 hours deep sleep on battery <10%
- Light sleep: 300 ~ 300 seconds light sleep
modified firmware (with fork / advanced battery management system):
- Enable power saving: TRUE ~ use light sleep
- Shutdown on battery delay; 924 ~ >20% always on >10% interval
- Wait for Bluetooth: 25 ~ after 25 seconds in light sleep
- Super deep sleep: 43205 ~ 5 minutes interval on battery <20%, 12 hours deep sleep on battery <10%
- Light sleep: 228 ~ 15 minutes long interval and safe every 8 hours, 228 seconds light sleep
- Screen timeout: 1 ~ switch off directly
- Ignore MQTT: TRUE ~ forward less
- Bluetooth enabled: TRUE ~ optional use as client when switching on
- Pairing: FIXED_PIN ~ use Bluetooth when display is off