Waveshare ESP32-C3-LCD-1.47
1.47" 180x320 IPS LCD (ST7789T (driven by Waveshare's 'Vernon_ST7789T' esp_lcd component; docs spec table says 'ST7798', a typo), SPI), TF card, QMI8658.
Building for it
A project is made for one toolchain, picked when you start it. All three can drive this board:
| Toolchain | |
|---|---|
| Arduino (C++) | Every board, every widget and every peripheral here. The most control, and the most to set up. Start a project |
| MicroPython | Change a screen by editing a file on the board. No compiler once it is flashed. Start a project |
| ESPHome | No compiler to install, and the panel can join Home Assistant as real entities. Start a project |
At a glance
| Part | Detail |
|---|---|
| Maker | Waveshare |
| MCU | ESP32-C3 RISC-V single-core @ 160 MHz, 400 KB SRAM (no PSRAM) |
| Display | Sitronix ST7789, 180 x 320 px, SPI (4-wire serial), 16-bit colour |
| Touch | None |
| Backlight | IOExtension pin 8, dimmable (PWM) |
| Memory | 4 MB flash, no PSRAM (N4) |
| Graphics library | GFX Library for Arduino |
Display pins
ST7789 on SPI (4-wire serial): SPI clock 80 MHz, host SPI2_HOST, BGR colour order, inversion on.
| Signal | Pin |
|---|---|
| SCK / CLK | GPIO 7 |
| MOSI / SDA | GPIO 5 |
| MISO / SDO | GPIO 6 |
| CS | not connected |
| DC / RS | GPIO 8 |
| RESET | IOExtension pin 1 |
| Backlight | IOExtension pin 8 |
Also on the board
- I2C (GPIO 4 / 3) - SDA GPIO 4, SCL GPIO 3
- IOExtension I/O expander at 0x24, driving the lines marked above
- IOExtension pin 0 is set low at boot - LCD CS, held low on the expander
The preset adds these to the Hardware tab with the board, so a sensor can go straight onto the connector.
Check your revision. Pins from Waveshare's demo code and schematic (https://github.com/waveshareteam/ESP32-C3-LCD-1.47 (commit 6e16df57c20b3b1651c1b6150a1c5b3c418a87f6)). Resolution: docs and README say 172x320, but both demos (Arduino and ESP-IDF) address 180 columns with a 30-column gap.
Designing for it in LCD Wizard
- Choose Waveshare ESP32-C3-LCD-1.47 on the Hardware tab (or use the button above) and every pin on this page is filled in. The export writes the sketch,
lcd_pins.h, the GFX Library for Arduino configuration,lv_conf.handplatformio.ini- a project that builds for this board as it comes. - The backlight is dimmable: give a slider or a button a Set backlight action.
- Screens are designed for 180 x 320 px in either orientation, with LVGL 9 or LVGL 8.
The parts
ST7789. Excellent colour and tolerates 80 MHz SPI. Many modules have no CS pin - tie it low and set CS to -1.
ESP32-C3. No PSRAM. Keep the draw buffer small and prefer displays up to 320x240.
GFX Library for Arduino. Moshi Liu's library. Best QSPI/AMOLED and RGB coverage. Configured in code.
The pinout on one page
Every pin above, laid out to print and keep beside the bench. Generated from this preset, so it says exactly what the designer writes into lcd_pins.h.
Download the pinout (PNG)Open it as SVG
From the people who made it
The board’s own documentation. Pinouts on vendor pages do sometimes disagree with the hardware in front of you - where this page and that one differ, trust your board and tell us.
- The vendor’s product page
- Vendor documentation
- Schematic (PDF)
- Waveshare demo code (pins read from here)
Designs for this board
Nobody has published a design for this board yet. Publish yours from the designer and it appears here and in the gallery.
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- Quick start - from an empty screen to firmware on the board
- Boards and displays - presets, controllers, pins and touch in the designer
- Flashing and configuration - PlatformIO, the Arduino IDE and first-boot checks
- Troubleshooting - a white screen, mirrored image or touch that misses