Unable to make T-Display S3 work with LiPo battery
I am using my Lilygo T-Display S3 to make an halloween project.
At the moment I'm just using the display to show something, and the device is powered by a powerbank via the USBC port. But I wanted to make the project smaller and portable.
So I bought 4x LiPo Batteries with its own re-charger, I have charged up the batteries and connected each of them to the T-Display S3 with the JST port: it won't powerup, no battery is working with the device. What am I doing wrong?
The LiPo batteries: https://www.amazon.it/dp/B087LTZW61?psc=1&ref=ppx_yo2ov_dt_b_product_details
Specs: 3,7 V 1100 mAh with Micro JST 1.25
teastain2 last edited by teastain2
Sounds like the ol' GPIO 15 must be turned on HIGH issue.
This enables the display power and the circuit that uses and re-charges the battery.
I made a support repository for new users here:
My examples are the simplest possible sketches that use the display, TFT_eSPI and Serial.print functions, as a sort of tutorial.
Hope this helps -Terry
If you are not running one of my sketches, you should add:
#define PIN_POWER_ON 15 // LCD and battery Power Enable
#define PIN_LCD_BL 38 // BackLight enable pin (see Dimming.txt)
just before the setup and then in setup add:
pinMode(PIN_POWER_ON, OUTPUT); //triggers the LCD backlight
pinMode(PIN_LCD_BL, OUTPUT); // BackLight enable pin
@teastain2 Thank you! I will try when I get back home
I confirm that this has solved my issue and mark it on the title for the posterity, many thanks!
edit: apparently titles cannot be edited after a while, if a moderator could add "[SOLVED]" to this thread's title, it would be helpful for others