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129 Results for "%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%EA%B0%95%EC%B6%94%E2%9C%9Awww%2Coptime4.com%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%20%EC%9D%B8%EC%B2%9C%EB%A7%88%EC%82%AC%EC%A7%80%20%E2%9C%9A%20%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%E1%98%9B%20%EC%9D%B8%EC%B2%9C%EC%98%A4%ED%94%BC%EC%82%AC%EC%A7%84%E1%98%9B%20%EC%9D%B8%EC%B2%9C%ED%9C%B4%EA%B2%8C%ED%85%94%20%EC%9D%B8%EC%B2%9C%ED%82%A4%EC%8A%A4%EB%B0%A9%20%ED%83%80%EC%9E%84"

  • Understanding how to disconnect the speaker

  • moThe big black device in the middle of the printed circuit board (PCB) is the speaker (aka buzzer, or transducer). You can see a little slit in the one side where the sound comes out. There is a back side to the circuit board that you cannot easily...
  • NODE-RED CONNECTIONS!

  • The first thing we need is a basic flow to separate button presses into different outputs. [{"id":"50b49ab2.1e6f64","type":"mqtt in","z":"7805686.aa4fd98","name":"","topic":"button_glove","qos":"0","datatype":"auto","broker":"","x":310,"y":2180,"wires":[["ea9f502f.2dd17"]]},{"id":"ea9f502f.2dd17","type":"json","z":"7805686.aa4fd98","name":"","property":"payload","action":"obj","pretty":false,"x":490,"y":2180,"wires":[["425aef92.aa3da8"]]},{"id":"425aef92.aa3da8","type":"function","z":"7805686.aa4fd98","name":"ButtonSeperator","func":"var...
  • I2C Sensors and debugging

  • I wanted to use a BMP280 I had in my parts bin for altitude measurements. I have used it in the past for a simple weather station and it works great! Turns out, it is even the go to sensor for Stratux, so I went ahead and plugged it in, activated it...
  • Instructions

  • DIY Onocoy Reference Station Setup GuideIn this guide, we’ll walk you through the process of setting up your own GPS Onocoy server using cost-effective hardware options and reliable GPS receivers. Whether you’re interested in enhancing the accuracy of...
  • Decoding Eddystone UID

  • Beforedecoding the advertisement data, we need to understand what isEddystone. Eddystone was created by Google as a open format to be used on Android and iPhone devices. On the format specification, 4 different format are described. Eddystone-UID – Used...
  • Installing Arch Linux

  • During your normal Arch installation you usually come to the point where you install the bootloader. In most cases either GRUB or systemd-boot. We will install GRUB.For the following commands I assume, you have arch-chroot ed into the installation.I...
  • Instructions

  • Best Budget DIY GPS/GNSS Base Station using the UM980 and a ESP32Introduction The ESP32 is a versatile microcontroller renowned for its WiFi and Bluetooth capabilities. In this guide, we’ll walk you through setting up the your ESP32 development board...
  • Roomba pilot

  • To power the Arduino, you’ll need to convert the 20 volts from Roomba to 5 volts using a 7805 5V voltage regulator (see theses instructions).
  • Code for single Esp32 Board

  • This is the code for everything on a single Esp32 Board. Since I didn't have the correct board, I needed to use two of them, and they communicate through the serial port.The Bluetooth packets address and raw data get printed to the Arduino Serial...
  • Provisioning the Raspberry Pi

  • Next, you're going to get the SD card ready for booting the operating system on the Raspberry Pi. This begins with copying the official raspbian lite image to the SD card. This is a process that can be done in many ways, and it slightly differs depending...