LilyGo T-QT Pro

Chip	ESP32-S3
Flash	4 MB
PSRAM	2 MB
Max LEDs	256
Audio	—
Display	0.85" 128x128 GC9107 IPS LCD (SPI)
Touch	—
Storage	On-chip FAT (USB drive)
Network	✔
Update modes	Standalone (WiFi/OTA)

Wiring

GPIO	Can do	Notes
`0`	in / out / PWM	BOOT button, strapping
`4`	in / out / PWM / ADC	ADC1_CH3 (battery sense)
`16`	in / out / PWM / ADC	ADC2_CH5
`17`	in / out / PWM / ADC	ADC2_CH6
`18`	in / out / PWM / ADC	ADC2_CH7
`33`	in / out / PWM	FSPI_HD
`34`	in / out / PWM	FSPI_CS
`35`	in / out / PWM	FSPI_D
`36`	in / out / PWM	FSPI_CLK
`37`	in / out / PWM	FSPI_Q
`38`	in / out / PWM	FSPI_WP
`39`	in / out / PWM	CLK_OUT3
`43`	in / out / PWM	U0TXD
`44`	in / out / PWM	U0RXD
`47`	in / out / PWM	button 2
`48`	in / out / PWM

Reserved pins — leave these alone

GPIO 1 — LCD reset
GPIO 2 — LCD MOSI
GPIO 3 — LCD clock
GPIO 5 — LCD chip select
GPIO 6 — LCD data/command
GPIO 10 — LCD backlight

Get started