An encoder is a sensor that takes data of a physical motion and translates that into electrical data. The type of encoder that tracks changes in shaft rotation is known as the rotary encoder, which is often attached to the motors. For those seeking an open source rotary encoder with a 1.28" TFT round display, the Roendi is just the thing for you.
Roendi comes with an onboard STM32L433 MCU, which features an Arm Cortex-M4 running at a clock frequency of 80 MHz and supporting SPI, I2C, I2S, CAN, and USART communication. This low-power microcontroller delivers 100 DMIPS based on the Arm core with FPU and ST ART accelerator.
The hardware can be programmed using ST-LINK/V2 or maker favorite Arduino IDE. As an open source project, schematics and software demo codes are available on GitHub. According to its manufacturer, Bulgarian startup Xtech, the hardware can act as an independent development board due to its unique user interface.
“Roendi is an excellent interface for a variety of uses, including volume control, temperature control, and light control. It is a useful addition to home automation systems and would make a unique custom HID device," Xtech notes.
More details can be found on Xtech's Crowd Supply page, where you sign up to be notified about when the campaign goes live.