The RedBear Duo features a Cortex-M3 STM32F205 with 1 MB Flash and 128 KB RAM at 120 MHz. The Broadcom BCM43438 manages 2.4 GHz WiFi and Bluetooth. An additional SPI Flash brings 2 MB.
“The goal of this project is to keep a sourdough starter alive by feeding it with flour and water over time. The feeding may be done scheduled, automated with sensors or manually. All possible thanks to this sour robot “