Hello Robot Stretch 3 24.5kg 141cm Prismatic-Mast, Dual-RealSense & Open-Source ROS 2 / LeRobot Mobile Manipulator
24.5-kilogram, 141cm-tall lightweight mobile manipulator engineered on a 33×34cm human-width differential-drive base—combining a 1.10-meter vertical lift mast, 52cm telescoping carbon-fiber prismatic arm, 3-DoF Dex Wrist 3 compliant gripper (2.0kg payload), dual Intel RealSense RGB-D cameras (head D435i + wrist D405), 2D LiDAR, Intel 12th-Gen Core i5 NUC12, and 100% open-source Python / ROS 2 / LeRobot VLA software.
Qualcomm Dragonwing RB3 Gen 2 Vision Development Kit ($399 QCS6490 12-TOPS Hexagon NPU, Triple ISP & Dual-Cam)
$399 (~200g) official Qualcomm Dragonwing QCS6490 robotics and edge-vision development kit pairing an 8-core 6nm Kryo 670 CPU, 12-TOPS Hexagon 770 Tensor NPU, Adreno 643L GPU, and Triple 14-bit Spectra ISP with an integrated Vision Mezzanine (12MP Sony IMX577 main camera + global-shutter OV9282 tracking camera), Wi-Fi 6E, Gigabit Ethernet, and Qualcomm Linux / ROS 2 / AI Hub support.
Khadas Edge2 Pro ($239 25g 5.7mm Ultra-Thin RK3588S2 6-TOPS NPU, 16GB LPDDR4X & Quad-Display SBC)
$239, 25-gram (82×57.5×5.7mm bare PCB / ~70g Maker Kit) ultra-thin credit-card single-board computer powered by the 8nm Rockchip RK3588S2 (4× Cortex-A76 + 4× Cortex-A55 + 6.0-TOPS triple-core NPU)—packing 16GB 64-bit LPDDR4X, 64GB eMMC 5.1, AP6275P PCIe Wi-Fi 6, 3× MIPI CSI camera FPCs, 4× independent display outputs (up to 8K60), an STM32 power-management MCU, and embedded OOWOW cloud OS installation.