A modification for Korg's Monotron Delay, which makes it accept standard Eurorack CV voltages (Pitch, Gate and Cutoff CV). The mod also provides an option to power the monotron via micro-USB.
ESP32 DVD pen plotter with HW-130 L293D shield: custom firmware, socket-plug wiring, USB/Bluetooth G-code
Custom 4-layer interrupter control board for DRSSTC systems. STM32F405-based, fiber-optically isolated outputs, hardware E-brake safety chain, and controlled-impedance routing (90Ω USB, 50Ω FSMC/SDIO). Designed in KiCad 9.0.
Development/eval board for Lattice MachX02 FPGA, TPS543320 & TPSM8282 DC-DC converters, and FTDI2232H USB-JTAG chip.
Battery case with electronics for charging and protection of battery cells. Composes of 2s li-ion 3,7V battery cells. Includes undervoltage, overvoltage and overcurrent protection. As well as reverse voltage protection. Is charged from USB type-C connector. Support statistics over USB and have battery voltage indication via LEDs.
This repo includes all software necessary to operate the Test Rover Platform that is being designed and developed in the 502 project.