I get Arduino Nanos from singapore (eBay) for £2.50 a pop, with a USB cable, whereas ESP8266 is about £3.50 ish, so that coupled with the extra functionality on a Nano, would prefer that over an ...

[Stefan]’s Mini WiFi/BLE 4WD robot platform (seen next to a matchbox above) packs an impressive capability into a tiny rover. It’s based on a SparkFun ESP32 Thing, a very compact way to add ...

But a company called ArcBotics has created an Arduino-based robot called "Sparki" that can be used—and programmed—by anyone. You don't have to assemble it yourself; ...