Import library of MFRC522 (RFID RC522) to Arduino IDE

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)