an Erik

Display on SSD1327 grayscale OLED with Arduino Nano RP2040 Connect/CircuitPython

Fixed: Raspberry Pi OS cannot find 5G Hz WiFi Network

Install and run 64-bit Ubuntu MATE 22.04 LTS on Raspberry Pi 4

ESP32-C3/MicroPython BLE UART Communication

ESP32-C3/MicroPython multithreading exercise, get user input un-blocked using _thread.

MicroPython/ESP32-C3-DevKitM-1 exercise: onboard BOOT button, and RGB LED (Neopixel).

MicroPython bluetooth (BLE) exampls, run on ESP32-C3.

MicroPython/NodeMCU ESP-C3-32S-Kit to control onboard LEDs

BLE UART communication between ESP32-S3 (arduino-esp32) and HC-42 BLE Module

arduino-esp32 2.0.3 add support for ESP32-S3, to develope in Arduino IDE.

ESP32-S2 (arduino-esp32) display on ILI9341 SPI TFT with Touch, using TFT_eSPI Library.

How to open dual Thonny instance

XIAO BLE Sense (nRF52840)/CircuitPython generate QR Code and display on SSD1306 I2C OLED

Install MicroPython on Nucleo F401RE (on Linux Mint)

Fix "RuntimeError: None data for /?", in CircuitPython on Arduino Nano RP2040 Connect

BLE between Nano RP2040 Connect and XIAO BLE Sense, using ArduinoBLE in Arduino Framework.

XIAO BLE Sense/Expansion board (Arduino Framework) to control SSD1306 I2C OLED

Setup Arduino IDE to support Seeed XIAO BLE (Sense), install adafruit-nrfutil

Install CircuitPython 7.2.0 on ESP32-S3 (ESP32-S3-DevKitC-1), using esptool v3.2 on Linux Mint

Install CircuitPython 7.2.0 on ESP32-C3 (ESP32-C3-DevKitM-1)

ESP32-C3/arduino-esp32 + 0.96" 80x160 IPS, create custom class extends Adafruit ST7735 library.

BLE between ESP32/ESP32C3 (arduino-esp32), notify DHT11 reading of temperature & humidity.

ESP32 + DHT11 temperature & humidity sensor with display on ST7789 and BLE function

Raspberry Pi Pico/MicroPython + ESP-C3-12F (as a WiFi co-processor using AT Command)

ESP-C3-12F First power-up

Arduino Nano RP2040 Connect generate QR Code and display on ST7735 TFT

Arduino Nano RP2040 Connect + ST7735 SPI TFT with SD Card, read and display bitmap.

ESP32-C3/arduino-esp32 to display on ST7735 and ST7789 SPI LCDs

MicroPython/PyBoard exercise: + 1.8" 128x160 TFT ST7735 SPI

arduino-esp32 CameraWebServer example, run on ESP32-S2-Saola-1 with ov2640

Arduino IDE, open two Serial Monitors

arduino-esp32, list the default function pins of ESP32C3/S2 Dev Module, locate pins_arduino.h

Drive ESP32-C3-DevKitM-1/ESP32-S2-Saola-1 on-board RGB LED (WS2812) in Arduino Framework

Install arduino-esp32 2.0.0 on Arduino IDE, to program ESP32-S2/C3.

ESP32-C3/MicroPython + SSD1306 I2C OLED

Flash MicroPython firmware on ESP32-C3

STM32F411/CircuitPython 7, with SPI ST7735 LCD

Install openEuler in VirtualBox, and install Deepin Desktop Environment (DDE)

Nano RP2040 Connect (Arduino Framework) + ST7789 SPI LCD, using Adafruit ST7735 and ST7789 Library.

Bi-direction BLE communication between Raspberry Pi/Python (with PyQt5 GUI) and ESP32

ov7670 + ST7789 (IPS Display) on Raspberry Pi Pico/CircuitPython 7.0.0 alpha 6

ST7789 SPI (2" 240x320/1.54" 240x240) IPS RGB Display, on Raspberry Pi Pico/CircuitPython

BLE exercise: bluepy examples run on Raspberry Pi, work with ESP32 BLE_uart example.

Raspberry Pi: how to rotate screen

Raspberry Pi Pico (Arduino framework) + 128x160 ST7735 SPI TFT, using TFT_eSPI library.

Install Arduino Mbed OS RP2040 Boards in Arduino IDE, to program Raspberry Pi Pico in Arduino.

UDP communication between Raspberry Pi/Python and Arduino Nano RP2040 Connect

Arduino Nano RP2040 Connect + ILI9341 SPI TFT, using adafruit_ILI9341 library.

ArduinoBLE exercise on Nano RP2040 Connect: BLE Peripheral

Raspberry Pi/Python BLE Central + Arduino Nano RP2040 Connect BLE Peripheral