Waveshare ESP32-C6-LCD-0.85
0.85" 128x128 IPS LCD (ST7735, SPI), ES8311 audio, TF card.
Affiliate link: LCD Wizard may earn a commission if you buy through it.
Building for it
A project is made for one toolchain, picked when you start it. For this board you can use three of the four:
| Toolchain | |
|---|---|
| Arduino (C++) | Every board, every widget and every peripheral here. The most control, and the most to set up. Start a project |
| MicroPython | The MicroPython export has no driver for this controller yet. |
| ESPHome | No compiler to install, and the panel can join Home Assistant as real entities. Start a project |
| ESP-IDF (C) | Espressif's own framework: esp_lcd, the component registry and idf.py, with nothing of Arduino in it. Start a project |
At a glance
| Part | Detail |
|---|---|
| Maker | Waveshare |
| MCU | ESP32-C6 RISC-V @ 160 MHz, 512 KB SRAM (no PSRAM) |
| Display | Sitronix ST7735, 128 x 128 px, SPI (4-wire serial), 16-bit colour |
| Touch | None |
| Backlight | GPIO 6, dimmable (PWM) |
| Memory | 8 MB flash, no PSRAM (N8) |
| Graphics library | GFX Library for Arduino |
Display pins
ST7735 on SPI (4-wire serial): SPI clock 40 MHz, host SPI2_HOST, BGR colour order, inversion on.
| Signal | Pin |
|---|---|
| SCK / CLK | GPIO 1 |
| MOSI / SDA | GPIO 2 |
| CS | GPIO 5 |
| DC / RS | GPIO 3 |
| RESET | GPIO 4 |
| Backlight | GPIO 6 |
Also on the board
- I2C (GPIO 8 / 7) - SDA GPIO 8, SCL GPIO 7
- BOOTButton - input on GPIO 9
- KEYPLUSButton - input on GPIO 18
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-C6-LCD-0.85). bsp_display.h defines EXAMPLE_PIN_MOSI=1 / SCLK=2 (swapped), but those macros are unused - the bus is initialised from bsp_spi.h (SCLK=1, MOSI=2), and the schematic table (GPIO1=LCD_CLK, GPIO2=LCD_DIN), the Arduino demos and xiaozhi all agree on SCK=1/MOSI=2.
Designing for it in LCD Wizard
- Choose Waveshare ESP32-C6-LCD-0.85 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 128 x 128 px in either orientation, with LVGL 9 or LVGL 8.
The parts
ST7735. Small 0.96"-1.8" panels. Check the tab colour - it selects the offset preset.
ESP32-C6. No PSRAM. SPI displays only in practice.
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
The same pins as data - board.json and pins.csv - are in the open pinout dataset on GitHub, free to reuse under CC BY 4.0.
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