A new component has arrived at the extensive Adafruit online electronics store this week in the form of the ESP32-WROVER-B Module ESP32 with PSRAM Module which is now available to purchase priced ...

It’s mounted in an SLA 3D printed enclosure which neatly holds all the parts. The ESP32 module drives a couple of DACs which in turn drive the galvanometer motors through a pair of amplifiers.

The TTGO is a small ESP32 board with an ST7789V 1.14 in (29 mm ... We wrote about one such project last summer, where a similar TTGO module was used to display 50-year broadcast delayed ...