Heltec Vision Master E290 E-Ink Display Module
103.99 $
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Experience the versatile Heltec Vision Master 2.90 E-ink Display Meshstad ESP32 LoRa devboard, featuring a compact 87.96 x 36.63 x 12 mm black-and-white 2.90-inch E-Ink screen with 128 x 296 pixels resolution that supports partial refresh and up to 180 days of continuous display without power. Powered by an ESP32-S3R8 microcontroller with Wi-Fi 802.11 b/g/n, Bluetooth 5 (LE), and optional LoRa connectivity via SX1262 module (max TX power 21±1 dBm, sensitivity -136 dBm at SF12), it includes 8MB PSRAM, 6 ADCs, 6 touch sensors, UART, I2C, SPI interfaces, and a 3.7V lithium battery interface with onboard charging and protection circuitry. Compatible with MicroPython, PlatformIO, and Espressif IDE, it offers extensive hardware expansion options through multiple pin headers including 2*20 pins compatible with Raspberry Pi.
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This Heltec Vision Master E290 E-Ink Display Device
Discover the sleek and minimalist design of this Heltec Vision Master E290 device, perfect for developers and makers seeking a compact, high-performance IoT display platform. Featuring a 2.90-inch monochrome E-Ink screen, it delivers crisp black-and-white visuals with a resolution of 128×296 pixels, maintaining content for up to 180 days without power. Its slim profile measures just 87.96mm in length, 36.63mm in width, and 12mm in thickness, making it ideal for embedded projects. The black matte top panel is accented by four small screw holes for mounting, while a bold white and orange connector adds a vibrant touch. The prominent vertical “HELTEC” logo lends a professional, industrial aesthetic, making this device a perfect combination of style and functionality for IoT development, digital signage, or electronic tags.
Keys features of the Heltec Vision Master E290 device
- High-resolution 2.90-inch monochrome E-Ink display with 128×296 pixels, partial refresh support, and up to 180 days of continuous display without power.
- Powered by ESP32-S3R8 MCU supporting Wi-Fi 802.11 b/g/n at 150 Mbps, Bluetooth 5 (LE), and optional LoRa connectivity with SX1262 module, TX power up to 21±1dBm.
- Includes 8MB PSRAM, six ADC inputs, one ADC2, six touch sensors, three UARTs, two I2C, and two SPI interfaces for extensive hardware expansion.
- Dual operating temperature ranges of -25°C to 70°C (storage) and 0°C to 50°C (optimal use), with humidity up to 45%, suitable for various environments and projects.
- Measures 87.96mm x 36.63mm x 12mm, with a 3.7V lithium battery interface featuring onboard charging, protection circuitry, and charging management for reliable power supply.
- Compatible with MicroPython, PlatformIO, Espressif IDE, and supports extensive pin headers, including 2*20 pins compatible with Raspberry Pi, offering broad development flexibility.
This Heltec Vision Master E290 is ready for your next project – buy now!
Imagine integrating this compact, stylish device into your IoT solution or digital signage project today. Its advanced features, easy expandability, and ultra-low power consumption make it a reliable choice. Whether you’re developing electronic tags, data displays, or environmental sensors, this device equips you with the tools and versatility to bring your ideas to life. Invest in this high-performance development board now to enhance your projects with cutting-edge wireless connectivity and a clear, durable e-ink display that impresses. Unlock the potential of your innovations today!
| Color | E290 433M, E290 863-928M |
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5. Expertise in Business & Problem-Solving 🎓 – I am not just an entrepreneur in the e-commerce business; I also hold a PhD in Mathematics and continue to work at the frontier between computer science and pure mathematics. My expertise spans multiple advanced fields, allowing me to approach complex logistical, operational, and technical challenges with precision and efficiency. This mindset of structured problem-solving and analytical thinking is what enables me to offer a smooth, optimized, and highly reliable shopping experience. Whether it’s managing logistics, handling unexpected issues, or improving customer service, I apply the same rigorous problem-solving approach that I use in advanced mathematical research.
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