📲 SenseCAP Indicator – Open-Source Touchscreen for IoT Innovation
The SenseCAP Indicator is a compact 4-inch touchscreen powered by a dual-core architecture: ESP32 + RP2040 🧠⚡. With built-in support for Wi-Fi, Bluetooth Low Energy (BLE), and LoRa®, it’s a versatile platform for building robust IoT applications.
Fully open-source and developer-friendly, it’s perfect for prototyping, customization, and scaling. Need tailored solutions? Take advantage of the one-stop ODM Fusion service for rapid deployment and productization. 🚀🔧
Features
📲 SenseCAP Indicator – Versatile Touchscreen for IoT Innovation
The SenseCAP Indicator is a compact 4-inch touchscreen powered by dual MCUs: ESP32-S3 and RP2040 🧠⚡. With built-in Wi-Fi, Bluetooth Low Energy (BLE), and optional LoRa® connectivity, it’s a flexible and powerful platform for building next-gen IoT applications.
🌟Features
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🔌 Dual MCU Architecture & Rich GPIOs Combines the strengths of ESP32-S3 and RP2040, offering over 400 Grove-compatible GPIOs for seamless peripheral expansion.
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🧪 Real-Time Air Quality Monitoring Integrated tVOC and CO₂ sensors, plus external Grove AHT20 for precise temperature and humidity tracking—ideal for smart environments.
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📡 Local LoRa® Hub for IoT Connectivity (optional) Features the Semtech SX1262 LoRa® chip, enabling direct connection to LoRa® devices and platforms like Matter via Wi-Fi—no extra gateways required.
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🧱 Flexible Interfaces Equipped with USB Type-C and Grove ports, supporting ADC and I²C protocols for easy integration with sensors, actuators, and other modules.
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🧑💻 Fully Open-Source Ecosystem Built for developers, it taps into the rich ESP32 and Raspberry Pi communities—unlocking endless possibilities for customization and innovation.
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🚀 Fusion ODM Service by Seeed Studio Need a tailored solution? Take advantage of Seeed’s one-stop ODM Fusion service for rapid customization and scalable deployment.
Whether you're prototyping smart home dashboards, environmental monitors, or industrial IoT interfaces, the SenseCAP Indicator delivers performance, flexibility, and developer freedom—all in one sleek package. 🧠📲
Specification
| Screen | 3.95 Inch, Capacitive RGB Touch Screen | |
| Screen Resolution | 480 x 480 pixels | |
| Power Supply | 5V DC, 1A | |
| Battery | N/A | |
| Processor | ESP32-S3: Xtensa® dual-core 32-bit LX7 microprocessor, up to 240MHz RP2040: Dual ARM Cortex-M0+ up to 133MHz | |
| Flash | ESP32S3: 8MB RP2040: 2MB | |
| External Storage | Support up to 32GB Micro SD Card (not included) | |
| Wi-Fi | 802.11b/g/n, 2.4GHz | |
| Bluetooth | Bluetooth 5.0 LE | |
| LoRa®(SX1262) | LoRa®WAN/(G)FSK, 21dBm Max Transmitted Power Sensitivity/-136dBm@SF12 BW=125KHz RX Sensitivity, Up to 5km (depending on gateway antenna and environments) | |
| Sensors(Optional) | Built-in CO2 (SCD41) | Range: 0-40000ppm Accuracy: 400ppm - 5000ppm ±(50ppm+5% of reading) |
| Built-in TVOC (SGP40) | Range: 1-500 VOC Index Points | |
| External Temperature and Humidity Sensor | Range: -40 ~ + 85 ℃/± 0.3 ℃; 0 ~ 100% RH/± 2% RH (25 ℃) | |
| Buzzer | MLT-8530, Resonant Frequency：2700H | |
Hardware Overview
📊 SenseCAP Indicator Series – Tailored for Every Use Case
The SenseCAP Indicator lineup includes four distinct models: D1, D1S, D1L, and D1Pro. Each version is thoughtfully engineered to meet specific application needs—without adding unnecessary hardware or cost. Whether you're building a simple dashboard or deploying advanced IoT solutions, there's a model that fits.
Application
🌬️ Built-in Air Quality Monitoring with Customizable Firmware
The SenseCAP Indicator comes with native firmware that allows it to function as a desktop air quality monitor right out of the box. Equipped with integrated tVOC and CO₂ sensors, it delivers reliable indoor air readings for smarter environmental awareness.
For enhanced accuracy, an external Grove temperature & humidity sensor is included—strategically placed to minimize heat interference from internal components, ensuring more precise data. 🌡️💧
Want to personalize the experience? The fully open-source firmware lets you customize your own display style, making it ideal for both developers and smart home enthusiasts. 🧠🛠️
📡 LoRa® Connectivity Meets Matter Over Wi-Fi
With the embedded SX1262 LoRa® module, you can easily build custom LoRa® applications and bridge your local LoRa® sensors to the Cloud via Wi-Fi—no extra gateways required.
For example, create a LoRa® hub that connects your sensors directly to your smart home ecosystem, enabling Matter over Wi-Fi integration. This allows your existing LoRa® devices to participate in the Matter ecosystem—without needing to purchase new Matter-compatible hardware. 🧠🔗
A smarter, more cost-effective way to expand your IoT network. 🚀💡
🧠 Fully Open-Source Software – Build What You Imagine
The SenseCAP Indicator runs on a completely open-source software stack, giving developers full freedom to create and customize a wide range of IoT applications. Whether you're prototyping or deploying at scale, the possibilities are endless.
Here are just a few ideas you can build:
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🌬️ Air Quality Monitor
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🌦️ Weather Station Display
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📊 Sensor Data Dashboard
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🏡 Smart Home Assistant Interface
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🔌 Mini Sensor Hub
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💹 Stock Price Indicator
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🖼️ Digital Photo Album
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📋 SOP (Standard Operating Procedure) Reminder
And much more—your creativity is the limit. With support for Arduino and rich GPIO expansion, SenseCAP Indicator is the perfect canvas for your next smart project. 🎨🚀
It can also be used to develop various exciting applications integrating with third-party platforms, such as AWS / ChatGPT / Matter / NodeRED / IoTex ...
Documents
Part List
| SenseCAP Indicator | x1 |
| USB Type-C Cable (1m) | x1 |
| Grove AHT20 TH Sensor (For D1S and D1Pro version) | x1 |