Recently there are some discussion regarding whether ESP8266 I/Os are 5V tolerant. The most active one being the article on Hackaday. The same article was shared on ESP8266 Facebook group and Espressif CEO Mr Teo Swee Ann commented that "i can reply officially here: it is 5V tolerant at the IO. while the supply voltage … Continue reading Is ESP8266 I/O really 5V tolerant?
In an upcoming project I need a micro controller that operates: 1x 16-bit DAC (SPI); 1x 24-bit ADC (SPI); 1x 8-bit parallel LCD; 1x rotary encoder; 1x PWM fan; 1x fan tachometer; 1x temperature sensor (DS18B20); 2x analog switches; 1x uplink UART; 4x push buttons, and some voltage monitoring for various power rails. To my estimation … Continue reading Opensource STM32 development