Retomando un poco MicroPython, vemos como utilizando el integrado 74HC4067 logramos tener hasta 16 entradas analógicas en el NodeMCU, con un sencillo circuito y código.

Articulo: https://www.gsampallo.com/blog/?p=475

Repositorio: https://github.com/gsa…

Another new Arduino board! This time it’s the Arduino Nano ESP32, and we’ll test it out today. Includes MicroPython and Arduino IoT Cloud experiments.

Article with code: https://dronebotworkshop.com/nano-esp32
More articles and tutorials: https://dronebotworkshop.com…

Emplearemos la pantalla TFT ILI9341 color tanto en la Raspberry Pi Pico como el ESP32, utilizaremos esta pantalla con bus SPI que brinda una buena representación del color a un tamaño de 320 x 240 pixeles. Descargaremos una librería específica con ejemplos…

Nick Moore

https://2017.pycon-au.org/schedule/presentation/67/

#pyconau

This talk was given at PyCon Australia 2017 which was held from 3-8 August, 2017 in Melbourne, Victoria.

PyCon Australia is the national conference for users of the Python Programming…

This tutorial demonstrates how to set up a MicroPython web server on an ESP32. A web page will show the temperature and humidity from a DHT22 sensor connected to an ESP32. Another web page will provide remote color and brightness control of a NeoPixel RGB…

A quick introduction to CircuitPython. A Raspberry Pi will be used to load the bootloader on a Nordic nRF52840 board and run the Mu IDE. Adafruit Blinka will also be used to demonstrate code compatibility between the Pi and the microcontroller. Code demos…

This MicroPython project adds solar powered sensors and home automation to my vegetable garden and transmits the data using MQTT for review and control on a mobile app.


My full write-up for this project:
https://www.rototron.info/projects/micropython-vegetable…

This tutorial demonstrates how to use character LCD and color TFT displays on the nRF52840 with CircuitPython. It explores the DisplayIO library and using Bluetooth low energy to interact with LCD displays from a mobile phone.

All the code, schematics,…

This tutorial demonstrates how to connect a DHT22 temperature and humidity sensor to an ESP32 running MicroPython. The sensor data is transmitted wirelessly to a Raspberry Pi using MQTT protocol and the results are displayed on I2C OLED display.

All the…

Interesante guía y muy útil para el manejo de este controlador. El L298N permite controlar la velocidad y dirección de hasta dos motores de corriente continua. Su límite principal es una caída de tensión de 3V, lo que reduce la potencia óptima que pueden…

This tutorial demonstrates how to set up a MicroPython web server on an ESP32. A web page will show the temperature and humidity from a DHT22 sensor connected to an ESP32. Another web page will provide remote color and brightness control of a NeoPixel RGB…

This tutorial demonstrates how to add Internet access to an nRF52840 board running CircuitPython by using an ESP32 as a WiFi coprocessor.

All the code, schematics, notes and updates are available on my website:
https://www.rototron.info/circuitpython-nrf52840…

This CircuitPython tutorial demonstrates how to build a battery powered Bluetooth BLE client remote control to operate a BLE server peripheral hosting a solenoid and a spectrally selective light detector.

All the code, schematics, notes and updates are available…

This tutorial demonstrates the repair of an Adafruit nRF52840 Feather Express board with a defective LiPo charge controller.

A full write-up of this video including images, schematics, code and updates is available on my website:
https://www.rototron.info/lipo…

In this tutorial a LoBo MicroPython WebSocket server will broadcast temperature data from a DS18b20 sensor connected to an ESP32. A web page built with React and MobX State Tree on a Raspberry Pi will be the client.

All the code, schematics, notes and…

This MicroPython tutorial demonstrates how to connect and drive a color SSD1351 OLED display using an ESP32. It also includes using the ADC to read analog signals and FTP for file transfers.

All the code, schematics, notes and updates are available on my…

I construct an inexpensive wireless device with an ILI9341 color touch screen to test passwords against the haveibeenpwned.com REST API using MicroPython and an ESP32.

My full write-up for this project:
https://www.rototron.info/projects/esp32-pwned-password…

This project builds a custom MicroPython Wi-Fi caller ID OLED display that sniffs network broadcast packets from a hardware call monitoring and blocking device.

My full write-up for this project:
https://www.rototron.info/projects/wi-fi-caller-id-blocking…

This MicroPython project adds solar powered sensors and home automation to my vegetable garden and transmits the data using MQTT for review and control on a mobile app.


My full write-up for this project:
https://www.rototron.info/projects/micropython-vegetable…