7 ms·
Battery depends more on what you are doing. Most boards and sensors use either 5 or 3.3 volts DC. You can put the device in a sleep or hibernate mode and have
by general8bitso 8y ago
Battery depends more on what you are doing.
Most boards and sensors use either 5 or 3.3 volts DC.
You can put the device in a sleep or hibernate mode and have it only connect to wifi periodically or when triggered.
Also, using encryption, like WPA2 increases battery use.
- beardyw 8y agoThe esp8266 module itself runs at 3.3V but seems happy with a couple of AA batteries. Tried with CR3032 but it can't deliver enough current. After all, it is doing WiFi.
- general8bitso 8y agoGoogle ‘joule thief’.