an Erik

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

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

Simple Compass - Arduino Nano + GY-271(HMC5883L) + mini-OLED

Arduino IDE error: ser_open(): cant open device /dev/ttyACM0: Permission denied

Connect I2C 128X64 OLED (SSD1306) to ESP32, using esp8266-oled-ssd1306

Implement pinch-to-zoom with ScaleGestureDetector

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

Delete project in Android Studio

Prepare Arduino to send data to Raspberry Pi via USB

MicroPython/ESP32-C3 Exercise: send/receive command via BLE UART

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

Build GTK+ Project using Code::Blocks on Raspberry Pi

Android Studio New UI Component of Custom View

Android example of using Thread and Handler

The import android.support.v7 cannot be resolved & ActionBarActivity cannot be resolved to a type

Install gPhoto2 2.5.4 on Raspberry Pi 2/Raspbian-Jessie using apt-get

run adb shell getprop ro.product.cpu.abi on Android device and emulator

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

ESP-C3-12F First power-up

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

Fail to run Qt Creator on Raspberry Pi/Raspbian Jessie remotely using Microsoft Remote Desktop

Install Ubuntu 15.10 on Windows 10/VirtualBox

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

Fix HAXM is not working and emulator runs in emulation mode for Android Emulator/HAXM

Python code to find my IP address, run on Raspberry Pi/Raspbian Jessie

Install Android Studio on Linux with JetBrains Toolbox

Python run on Raspberry Pi to plot serial data from ESP8266/NodeMCU

AutoCompleteTextView, subclass of EditText with Auto-complete function

Add uses-permission of android.permission.INTERNET in AndroidManifest.xml.

Install Ubuntu 16.04 LTS on VirtualBox/Windows 10

Linux command: scp copy folder

Implement swiping page effect using GestureDetector and ViewFlipper

Fix This system is currently not set up to build kernel modules for VirtualBox/Ubuntu

Raspberry Pi Pico/MicroPython, read and set CPU Frequency (overclock)

Add Adafruit_ESP8266 library to Arduino IDE, for ESP8266

IntelliJ IDEA (Java IDE) with JetBrains Toolbox

ESP8266/NodeMCU read Analog Input and send to Raspberry Pi via Serial/USB

Remote debug Java program on Raspberry Pi using Netbeans 8

Java/JavaFX Client run on Raspberry Pi, link with Android Server

ESP-05(ESP8266) + Arduino Mega, act as simple web server

Add Support Libraries of RecyclerView, CardView to Android Studio Project

Google Maps Android API v2 example: Draggable Marker

Control RPi.GPIO PWM, using Python on Raspberry Pi 2

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

First try NodeMCU - ESP8266 (before flash update firmware)

Install Visual Studio Code on Raspberry Pi, with apt command.

RPi Pico/MicroPython + ILI9341 SPI Display, using rdagger/micropython-ili9341

HMC5883L library with calibration, for Arduino

Share computer desktop with Chrome Remote Desktop

Boot-up Raspberry Pi 2 running SNAPPY UBUNTU CORE

Create assets folder in Android Studio, and copy file into.