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ESP32 is a series of low-cost, low-power system-on-chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth.The ESP32 series employs either a Tensilica Xtensa LX6 microprocessor in both dual-core and single-core variations, an Xtensa LX7 dual-core microprocessor, or a single-core RISC-V microprocessor and includes built-in antenna switches, RF balun, power amplifier, low-noise ...
The 2020 update to the IEC 60904-9 standard introduced the spectral coverage (SPC) metric, an additional way of qualifying solar simulators. [17] The value of a solar simulator’s spectral coverage does not currently impact its classification, but is requested to be reported under IEC 60904-9:2020.