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Specification Parameter Controller MCU ESP32C3 Communication Interface I2C @0x50 Programmable RGB LED SK6812 Load Current 10A Input Control Voltage DC 3 ~ 32V Load Voltage AC 24 ~ 480V Input Control Current 5 ~ 20mA Off-state Leakage ≤5mA On-state Voltage Drop ≤1
compact robotic arms
Gemini 335LG vs D455f/D456
Supports Sub-GHz LoRa/LoRaWAN global bands + 2
vehicle mounts
HELTEC ESP32S3 SX1262 E-Paper LoRa Meshtastic LoRaWAN 2.9 inch 915Mhz R-LINK V3.0 Specification Parameter Controller MCU ESP32C3Vision Master E290 (HT VME290) is a powerful and compact E Ink development board designed for low power IoT applications. It supports multiple wireless protocols including Bluetooth, Wi Fi, and LoRa, enabling flexible remote display control. Equipped with a default 2. 90 inch black and white E Ink display, the board can retain content for up to 180 days after power loss. It is fully Arduino compatible and supports PlatformIO, MicroPython, and open
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