Usedipaq.com offers Machine Learning Development Kits, Accessories and Software Support for Intel, NVIDIA, Google, Xilinx, etc Edge Devices as well as for legacy hp ipaq PDA devices.
Special Order 4x hp ipaq hx2400 series with all accessories
Special Order 4x hp ipaq hx2400 series with all accessories - 996.00
(4x PDA w extended battery, case, Standard Charging Cradles, AC power supplies, DC adapters, separate freestanding charging stand, Shipping, 1 year warranty.)
$249 each - including shipping and 1 year warranty
Note: In moving beyond the PDA we are now selling and supporting mobile machine learning SBG (Single Board GPU) systems such as the Nvidia Nano, TX2, Xavier and Google Development boards and Raspberry Pi 4 with 4GB all running ubuntu linux.
These systems can be used to develop a new generation of mobile applications based on AI and machine learning using Python or C++ for image analysis, system inspections, robot control, etc.
We see them as the next generation replacements for the ipaq.
Let me know if you are interested in getting more information.