A macro pad with 11 cherry mx style switches, a rotary encoder and a 0.91 inch OLED screen
STM32 microcontroller with lots of periferials such as ADC, differential ADC, Input Capture, PWM, USB, Encoder, DAC, Digital Input, RTC, CAN-bus + Alarm etc.
A comprehensive, multi-sensor IoT telemetry dashboard built around the Freenove ESP32-WROOM development board. This custom KiCad printed circuit board (PCB) integrates precision environmental sensing, analog ambient monitoring, local edge storage, and a physical user interface featuring a TFT display and rotary encoder.