Embedded Systems Engineer in Konya, Turkey.

The work I enjoy most sits between analog and digital: designing an RF front end, laying out the board in KiCad, writing the firmware in C and the signal processing in VHDL, then taking the whole thing through bring-up on the bench. Being responsible for the full path — from a blank schematic to a working link — is the part that keeps me interested.

Dand-IQ, below, is what I am building at the moment.

now  ─┬─ porting the Dand-IQ transmit chain to full AXI4-Stream backpressure
      ├─ adding an I²S audio input to the link
      └─ M.Sc. in EEE, Selçuk University

DAND_IQ — 400–510 MHz full-duplex I/Q front end around the Semtech SX1255. An STM32G0 runs the radio over SPI through a UART console; raw baseband goes to a Zynq-7020 over PMOD, where the whole modem — framing, CRC32, differential QPSK, ΣΔ modulation — is hand-written VHDL. Text typed into a terminal comes out the other side of a 433 MHz link, bit exact. BER < 2.1e-7 (4.8 M bits, 0 errors) symbol rate 100 ksym/s bandwidth ~135 kHz HIL 908 467 packets, 0 lost