Month: February 2018

Arduino Gamepads

Parts The part used here is a LOLIN32 board.┬áBut Any ESP32 board can be used. Some classic NES/ SNES game controllers with 7 pin connectors. Where to get them These links are the cheapest I could find and also supporting our work (affiliate). I also ordered my modules there LOLIN32 Board (~$6.90) But there are …

ESP32 Composite Video

Work principle The code generates an analog signal using the internal DAC according to the PAL and NTSC standards described here. Each image consists of two half frames (even and odd image lines). The blank level is at ~0.3V(values depend on PAL/NTSC). The synchronization is done using some pulses at 0.0V. The following image gives …