TTGO T Display ESP32

TTGO T-Display ESP32

Part of Claude Usage Stick. The classic LilyGo/TTGO T-Display — an original ESP32 with a 1.14" ST7789 panel over 4-wire SPI and two front buttons.

Specs

MCU	ESP32 (dual-core, WiFi)
Display	1.14" ST7789 LCD, 135×240 (SPI: MOSI 19, SCLK 18, CS 5, DC 16, RST 23, BL 4)
Battery	External via JST 1.25 mm connector
Buttons	Button A (BOOT, GPIO 0) · Button B (GPIO 35, input-only pin with onboard pull-up)
Firmware	Clarity (v1) — target display tier S (not yet migrated)
PlatformIO env	tdisplay-esp32
Buy	aliexpress.com

Flash

Easiest: open the web flasher in Chrome, Edge or Firefox, pick this board, and plug it in over USB-C.

From source, with the PlatformIO CLI:

pio run -e tdisplay-esp32 -t upload     # firmware

Controls

Context	Button A	Button B
PIN entry	Cycle the current digit (0–9)	Confirm digit, move to the next
Dashboard	Cycle brightness (off → dim → normal → bright)	Force an immediate refresh
On boot	Hold A+B = factory reset (wipes all stored data)

Notes

• Runs the original Clarity dashboard until it's migrated to the Mango tier S layout.
• During setup, the WiFi AP password is shown on the device screen.

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TTGO T Display ESP32 · env tdisplay-esp32 · All boards · Flashing · Setup and daily use · Troubleshooting