a 3 bit up counter

A PCB for a Wi-Fi communicator using a PICAXE 08M2 and an ESP-01 module driven by interactive code makes a handy setup for data collection and IoT reporting.

Samsung just revealed the world's largest hard drive--the PM1633a, a 16 TB punch in a 2.5-inch SSD package. The drive relies on a new 32GB NAND flash die comprised of 48 layers of 3-bits-per-cell 3D V-NAND.

This is the final part in a series of articles on building a robot that can follow lines or walls and avoid obstacles!