{"product_id":"waveshare-esp32-s3-1-8inch-knob-display-development-board-no-battery","title":"Waveshare ESP32-S3 1.8inch Knob Display Development Board (No Battery)","description":"\u003ch1\u003eWaveshare ESP32-S3 1.8inch Knob Touch LCD Development Board\u003c\/h1\u003e\n\n\u003cp\u003eThis integrated development board combines an ESP32-S3 main processor with a dedicated ESP32 co-processor, a 1.8-inch round capacitive-touch IPS LCD (360x360 resolution), and a rotary encoder with a CNC-machined metal knob. It is designed for building smart-dial human-machine interfaces, IoT control panels, and interactive demos that require a compact display and tactile input.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain MCU:\u003c\/strong\u003e ESP32-S3 (dual-core Xtensa LX7, up to 240MHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCo-processor:\u003c\/strong\u003e ESP32 (dual-core, up to 240MHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e 2.4GHz Wi-Fi 802.11 b\/g\/n + Bluetooth 5 (LE \u0026amp; Classic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 512KB SRAM, 384KB ROM, 16MB Flash, 8MB PSRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 1.8-inch round IPS LCD, 360x360 pixels, capacitive touch (I2C with interrupt output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e Rotary encoder with push-button, integrated into metal knob\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e Onboard audio codec with speaker and digital microphone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e USB-C for power and programming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e CNC-machined metal case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e This variant ships without the 3.7V 102035 lithium battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino IDE (using Arduino_GFX or LVGL libraries)\u003c\/li\u003e\n\u003cli\u003eESP-IDF development framework\u003c\/li\u003e\n\u003cli\u003ePlatformIO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmart home control panel with rotary dial for lighting, thermostat, or music volume\u003c\/li\u003e\n\u003cli\u003eDesktop clock or weather station with touch-based settings and knob navigation\u003c\/li\u003e\n\u003cli\u003eInteractive demo kiosk for IoT devices with a compact round display\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery board ships with access to our AI build companion, delivered via QR code, email, or WhatsApp, to help you wire, program, and debug your project. With 10 years of experience supplying makers and institutions across India, we ensure you get genuine components and reliable support. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDisplay driver, touch controller and full GPIO pin map\u003c\/summary\u003e\n\u003cp\u003eConfirmed against Waveshare's official demo firmware for the ESP32-S3-Knob-Touch-LCD-1.8. This is a \u003cstrong\u003eQSPI round AMOLED\u003c\/strong\u003e panel — it is NOT an SPI ST7735\/ST7789 module, so do not use a plain TFT_eSPI ST7735 setup. Build on Waveshare's LVGL \/ esp_lcd QSPI demo.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay driver:\u003c\/strong\u003e Sitronix SH8601 (QSPI AMOLED), 360×360, 16 bit\/px. Some board revisions ship an ST77916 (also QSPI) — the pin map below is identical for both.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay pins (QSPI):\u003c\/strong\u003e CS=GPIO14, PCLK\/SCK=GPIO13, D0=GPIO15, D1=GPIO16, D2=GPIO17, D3=GPIO18, RST=GPIO21, Backlight(PWM)=GPIO47\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTouch controller:\u003c\/strong\u003e CST816 over I2C, address 0x15 — SDA=GPIO11, SCL=GPIO12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary encoder (knob):\u003c\/strong\u003e phase A=GPIO8, phase B=GPIO7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHaptics:\u003c\/strong\u003e DRV2605 vibration driver (shares the I2C bus)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e PCM5100A I2S DAC\/codec to the 3.5mm jack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReference firmware \u0026amp; schematic: \u003ca href=\"https:\/\/www.waveshare.com\/wiki\/ESP32-S3-Knob-Touch-LCD-1.8\"\u003eWaveshare wiki\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the Waveshare ESP32-S3 Knob Display Board?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit\/debit cards, and Cash on Delivery (COD) across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take and where do you ship?\u003c\/summary\u003e\n\u003cp\u003eWe ship the Waveshare ESP32-S3 Knob Display Board across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Typical delivery takes 3–7 business days depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this board include a battery?\u003c\/summary\u003e\n\u003cp\u003eNo, this variant ships without the 3.7V 102035 lithium battery. You can purchase it separately if needed.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Waveshare ESP32-S3 1.8inch Knob Touch LCD Development Board\",\n  \"description\": \"Integrated ESP32-S3 development board with 1.8-inch round capacitive-touch IPS LCD, rotary encoder, and CNC metal case. Dual MCU with Wi-Fi and Bluetooth.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Waveshare\"\n  },\n  \"category\": \"Electronics \u003e Microcontrollers \u003e Development Boards\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"4500\",\n    \"priceCurrency\": \"INR\",\n    \"availability\": \"https:\/\/schema.org\/InStock\"\n  },\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Compoden\"\n  },\n  \"mainEntityOfPage\": {\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is the display driver IC and how do I program it?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"This is a QSPI round AMOLED (SH8601; some revisions ST77916) at 360x360 - NOT an SPI ST7735 module. Display QSPI pins: CS=14, PCLK=13, D0=15, D1=16, D2=17, D3=18, RST=21, backlight=47. Touch: CST816 over I2C at address 0x15, SDA=11, SCL=12. 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