esp32 esp-32 esp32-s esp-wroom-32 wireless modules with 32 mbits from psram ipex/esp-32s with 4mb flash

characteristics: 1. the esp32 fully integrates rf transmitting/receiving functions, including antenna switches, rf balloon, amplifiers, low-noise amplifiers, filters, power management modules, and advanced self-calibration circuits. 2. the self-calibration circuit implements dynamic automatic tuning eliminate defects in external circuits. esp32 with two 32-bit cpu's, lx6, cloned to 240mhz, use 7-level pipeline architecture. three. esp32 also integrates a large number of analogue sensors and d