MCU – Page 2 – E-Tinkers

Build an ESP32 Web Server and IR Remote

November 16, 2019March 14, 2023in Arduino, ESP32, IoT-Sensors, IR transmitter/receiver, MCU, Web Development3748 WordsHenry Cheung30 Comments

My TV remote control is corroded by leaking battery and no longer working reliably, so I decided to build my own TV remote control with an ESP32 that running as a web server and IR remote control so that I can uses my iPhone to interactive with it via web browser. Continue reading "Build an ESP32 Web Server and IR Remote" →

Using a Thermistor with Arduino and Unexpected ESP32 ADC Non-linearity

October 8, 2019March 14, 2023in Arduino, ESP32, IoT-Sensors, MCU, NTC Thermistor1763 WordsHenry Cheung16 Comments

I recently accidentally bought 5 pieces of thermistor, so I tried it out on both of my Arduino and ESP32 modules, and I have surprise findings on both Arduino and enchanted unexpected ESP32's ADC linearity issue. Continue reading "Using a Thermistor with Arduino and Unexpected ESP32 ADC Non-linearity" →