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Month: March 2020

ESP32: 1 MHz clock signal to output pin

code /* Example: Generate 1 MHz clock signal with ESP32, note 24.3.2020/pekka ESP32: LEDC peripheral can be used to generate clock signals between 40 MHz (half of APB clock) and approximately 0.001 Hz. Please check the LEDC chapter in Technical

pekkalehtikoski March 25, 2020April 4, 2020 technical notes No Comments Read more

Configuring micro-controller WiFi with Android phone’s LED flash

Introduction The “Gazerbeam” library enables configuring micro controller’s Wi-Fi network name (SSID) and password (PSK) using a LED flash of Android phone, etc. The phone needs APP to blink configuration information, the example Android Java application named “blinky”. A phototransistor

pekkalehtikoski March 19, 2020July 30, 2020 technical notes 7 Comments Read more
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