012 – ESP32 MicroPython: HC-SR04 Ultrasonic Sensor in MicroPython
In this video, we will learn how to use the HC-SR04 ultrasonic sensor in MicroPython. With ultrasonic sensor, it can be use for measuring distance or it can be use … Read More
Category: MicroPython
011 – ESP32 MicroPython: DHT11, DHT22 in MicroPython
In this tutorial, we will learn to use the DHT22 in MicroPython. DHT11 should be compatible with slight modification. Circuit Diagram: Instruction: 1. Connect the OLED VCC pin to 3V3 … Read More
010 – ESP32 MicroPython: 0.96 OLED in MicroPython
In this tutorial, we will learn to use the 0.96 inch OLED display with monochrome display. This is useful for displaying something for the end user. Its easy to use, … Read More
009 – ESP32 MicroPython: Non-blocking Delays and Multithreading | Multitasking
In previous tutorials we learned to use the hardware timer interrupt which is very useful when we need to execute a task at specific interval period. We also use hardware … Read More
008 – ESP32 MicroPython: Hardware Timer Interrupts
In this tutorial, we will learn how to use the hardware Timer Interrupts of ESP32 in MicroPython. Timer in essence is basically a counter that either counts up or counts … Read More
007 – ESP32 MicroPython: How to make some sound with MicroPython
In this article, we will be exploring the use of Pulse Width Modulation or PWM in producing a sound using MicroPython. Bill of Materials: Circuit Diagram: Video Demonstration: If you … Read More
006 – ESP32 MicroPython: How to control servo motor with MicroPython
Circuit Diagram: Links to SG90 datasheet: http://www.ee.ic.ac.uk/pcheung/teaching/DE1_EE/stores/sg90_datasheet.pdf Links to Arduino map() function: https://www.arduino.cc/reference/en/language/functions/math/map/ Some formulas use: freq = 1 / Period freq = 1 / 20ms freq = 50Hz 1ms … Read More