These were just some of the reasons he decided to port Grbl to the ESP32 board. Price wise the Arduino and ESP32 are around the same, but the ESP does have the advantage of being much more ...

Like the ESP32, it has Bluetooth LE 5.0 in addition to WiFi ... Rumors are that there will be eight-pin ESP-O1 modules hitting the streets priced as low as $1. We usually require more pins ...