LILYGO-T-Energy

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15mA drawed in deep sleep mode

1

Hello Deep sleep setup with option : esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_OFF); Is it a normal value (not acceptable for me, it's maximum 10 days on battery ) ? Or is it an...

sebcorse

iBethServices

T18_V3.0 Board doesn't wake up from timer deep sleep

3

The schematics for this board show what seems to be a FET which can be used to shut down the 3.3V power, hooked to GPIO26. Can anyone confirm? The lack...

sle118

Constant power consumption when turned off

1

Hi, I've noticed something worrying about T-Energy. Battery is constantly drained with ~8mA current no matter if the board is off or ESP is in a deep sleep. Additionally, there...

jacol-code

Built in battery voltage sensor.

9

Hello, I've been told that there is a built in battery voltage sensor on pin36. Is that correct? No matter what I try I can't read it. Thanks!

SyvelDesign

Pins uses

1

There are several pins I can't understand the use cases and I'm not sufficiently experienced to deduce it from the schematics: how could I found what's the use of the...

AlekseyFedorovich

T18_3.0 Schematic

10

Hi, Can you publish schematic for T10_3.0 20190410 ? Thanks

lacrimal

Excessive power draw

2

100k/100k divider for measuring battery power is causing excessive power draw. please consider P-FET solution described here https://fettricks.blogspot.com/2014/01/reducing-voltage-divider-load-to-extend.html for future versions

kapitan-u

Internal LEDs

1

Hello there, I have tried almost all of the pins in order to control either the blue, red or green onboard LEDs with out any luck. Has anyone actually found...

smitropoulos

Is that ok that battery with voltage divider always connected to adc pin of esp32 even the esp32 is not powered ? if battery is full and lets say have...

ahmadfarisfs