BLE Swipe and HID Input with Raspberry Pi Pico W
Overview The Raspberry Pi Pico W, while not having native Bluetooth hardware, opens the door to BLE functionality when paired with additional hardware like an …
BLE Swipe Input via ESP32: A Cross-Platform Guide
Overview Using an ESP32 as a Bluetooth Low Energy (BLE) Human Interface Device (HID) opens up creative options for remote control, including emulating mouse swipes …
๐ THE ULTIMATE WIRE TROUBLESHOOTING & SURVIVAL GUIDE
(for makers, engineers, and victims of cheap cables) ๐ง Why Wires Actually Matter Wires carry your signals.And sometimes, they murder them in cold, copperless silence. …
MOC3021: Optocoupler with Triac Output for AC Switching
The MOC3021 is an opto-isolated Triac driver designed for safe AC switching. It is commonly used in solid-state relays (SSR), dimmers, motor speed control, and …
Wiring tips to ensure your ATtiny (13/25/45/85) runs reliably in any project. ๐คโก
โ Must-Have Components for Stable Operation Component Purpose ATtiny MCU The brains of your project ๐ง Power Supply (3.3V or 5V) Stable voltage source from …
Simulating dice throwing on ATtiny
๐ง GOAL: ๐ง HOW DOES IT WORK? Instead of controlling each LED separately, we treat each number (1โ6) as a predefined pattern, and reuse the …
๐ Overview of the STC15 Series
The STC15 series is a family of 8051-core microcontrollers from STC Micro (ๅฎๆถ็งๆ) with significant upgrades over the original 8051 design: ๐ฆ Most Common STC15 …
How to Connect an LED to an Arduino Correctly
Connecting an LED to an Arduino is simple, but there are best practices to ensure safe operation and proper brightness control. Below are different ways …
๐ต Creating Music with an ATtiny Microcontroller
1๏ธโฃ Requirements 2๏ธโฃ Circuit Setup 3๏ธโฃ Programming the ATtiny To generate music, you’ll be creating a sequence of tones by varying the frequency of the …