ESP8266 Community Forum

- Wed Jan 28, 2015 4:28 pm #8424

Why not use a flat LiPo battery? Even the high-current ones can be found as thin as 3 mm. I use a diode or super-low-dropout regulator (like TLV1117LV33) to bring the voltage down to a level which is safe for the chip.

is it real?

making it suitable for applications that mandate very low standby current. The TLV1117LV family of LDOs is also stable with 0 mA

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Lets get the party started and +1

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I like ESP8266 and ESP8285 and ESP32

- Thu Jan 29, 2015 2:13 pm #8473 Now:

- 1x18650 + charger +protection + SEPIC 5V -> 3.3V LDO regulator -> Atmega328 + ESP-07 -> 7 days counting data collection , burst mode, 1/s
- 2x18650 + SEPIC 5V -> 3.3V LDO regulator -> Atmega328 + ESP-07 -> 11 days and counting data collection , burst mode, 1/s

Next: 682250 Li/PO 700mA (48x22x7mm) + 2-5V boost converter + esp-12 with and without Atmega/STM32.

Funny enough, I don't see any power consumption over 120mA. Need some time to put together a proper test environment to generate some decent graphs.

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- Sat Jan 31, 2015 2:35 pm #8640 There's at least one other thread relating to supply options (including battery). Have a look for the thread, it should have some useful information... Sorry I didn't bookmark it

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