The WORKBENCH part 1

End Devices (Nodes) Hardware
1157

Is module with: ESP8285 (ESP8266), 50 kB RAM, 1 MB Flash

I think I would prefer a TTGO Micro-32 - ESP32-Pico-D4 module instead:

Module with: ESP32 Pico, 2 cores, 520 kB RAM, 4 MB Flash