Micronote

Programming a NodeMCU with MicroPython: I2C Bus Part 2 (SSD1306 OLED Display)

Micronote — Thu, 06 Aug 2020 19:37:25 GMT

Learn how to use the I2C Bus with MicroPython on an ESP8266 NodeMCU microcontroller. This is part two which covers using the built-in ssd1306 library to write to the SSD1306 display.

MicroPython ssd1306.py source code:
https://github.com/micropython/micropython/blob/master/drivers/display/ssd1306.py

SSD1306 Datasheet:
https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf

Article: https://micronote.tech/2020/07/I2C-Bus-with-a-NodeMCU-and-MicroPython/

Get the Atlas kit: https://micronote.tech/atlas/

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Programming a NodeMCU with MicroPython: I2C Bus Part 1 (MPU6050 IMU)

Micronote — Tue, 28 Jul 2020 23:19:58 GMT

Learn how to use the I2C Bus with MicroPython on an ESP8266 NodeMCU microcontroller. This is part 1 which covers using the datasheets to get temperature, gyroscope, and acceleration data from the MPU6050 IMU. This part also covers using the INT pin.

MPU-6000 and MPU-6050 Product Specification Revision 3.4: https://invensense.tdk.com/wp-content/uploads/2015/02/MPU-6000-Datasheet1.pdf

MPU-6000 and MPU-6050 Register Map and Descriptions Revision 4.2: https://invensense.tdk.com/wp-content/uploads/2015/02/MPU-6000-Register-Map1.pdf

Article: https://micronote.tech/2020/07/I2C-Bus-with-a-NodeMCU-and-MicroPython/

Get the Atlas kit: https://micronote.tech/atlas/

Programming a NodeMCU with MicroPython: Introduction to API Calls

Micronote — Fri, 05 Jun 2020 16:23:39 GMT

Learn how to make an API call (get request) in Python 3 and MicroPython on an ESP8266
NodeMCU microcontroller.

parse.py (urlencode): https://micronote.tech/assets/programs/parse.py

Article: https://micronote.tech/2020/06/Introduction-to-API-Calls-with-a-NodeMCU-and-MicroPython/

Get the Atlas kit: https://micronote.tech/atlas/

Programming a NodeMCU with MicroPython: Intro to Networking and ntptime

Micronote — Wed, 01 Apr 2020 11:49:24 GMT

Learn how to connect to a network and use the ntptime module on an ESP8266 NodeMCU microcontroller.

Article: https://micronote.tech/2020/03/Introduction-to-Networking-and-ntptime-with-a-NodeMCU-and-MicroPython/

Get the Atlas kit: https://micronote.tech/atlas/

Programming a NodeMCU with MicroPython: RTC and Deep Sleep

Micronote — Sat, 29 Feb 2020 20:45:06 GMT

Learn how to use the RTC and deep sleep mode on an ESP8266 NodeMCU microcontroller.

Article: https://micronote.tech/2020/02/RTC-and-Deep-Sleep-with-a-NodeMCU-and-MicroPython/

Programming a NodeMCU with MicroPython: PWM and ADC

Micronote — Tue, 25 Feb 2020 17:19:54 GMT

Learn how to use PWM and the ADC on an ESP8266 NodeMCU microcontroller.

Article: https://micronote.tech/2020/02/PWM-and-ADC-with-a-NodeMCU-and-MicroPython/

Programming a NodeMCU with MicroPython: Timers and Interrupts

Micronote — Fri, 21 Feb 2020 04:43:36 GMT

Learn how to use timers and interrupts with an ESP8266 NodeMCU microcontroller. This video goes over timers, interrupts, and debouncing.

Article: https://micronote.tech/2020/02/Timers-and-Interrupts-with-a-NodeMCU-and-MicroPython/
Timer Code: https://gist.github.com/cdsupina/64706cb1a2cc1c04953668d1b384a84a
Interrupt Code: https://gist.github.com/cdsupina/b5c02606d3e7d9a97df2493d6bbe775d
Debouncing Code: https://gist.github.com/cdsupina/17aa2d37f65d3bd042fe872503efa9d8

Programming a NodeMCU with MicroPython: Basic GPIO Input and Output

Micronote — Tue, 18 Feb 2020 16:09:22 GMT

Learn the basics of GPIO input and output with an ESP8266 NodeMCU microcontroller. This video goes over outputting to an LED, getting input from a button, and why a pull-up resistor is necessary.

Article: https://micronote.tech/2020/01/Basic-GPIO-Input-and-Output-with-a-NodeMCU-and-MicroPython/
LED Code: https://gist.github.com/cdsupina/8aa82d020f134f82341f5554b29d13dd
Button Code: https://gist.github.com/cdsupina/46a2cded6aeb967a31918bcfa3c45009
Button with Pull-up Resistor Code: https://gist.github.com/cdsupina/44a328ee69ea831dcd6c482c5d90ef95

Getting Started with MicroPython and Thonny

Micronote — Sun, 09 Feb 2020 16:53:38 GMT

Get started using MicroPython on an ESP8266 microcontroller! This video goes over installing Thonny, flashing MicroPython to an ESP8266, and writing a simple program for a ESP8266 using Micropython.

Article: https://micronote.tech/2020/01/Hello-Micropython/
Download Thonny: https://thonny.org/
Download MicroPython: https://micropython.org/download#esp8266
main.py code: https://gist.github.com/cdsupina/c3cf33309f6982bf2aaf13734c835608