Arduino: build a line-following robot
A 2WD robot that follows a black electrical-tape line using three IR reflectance sensors. Bang-bang control done honestly, PID optional.
Tag
#ir
5 tutorials
Arduino: decode any IR remote with the IRremote library
Wire a 3-pin IR receiver to an Arduino and decode any TV or AC remote with the IRremote library. NEC, Sony, RC5, and the switch statement that turns buttons into actions.
ESP32: send IR codes with an IR LED
Build an ESP32 IR blaster that replays remote codes to control a TV or AC unit over the network. Pairs with the IR receiver tutorial to capture the codes first.
ESP32: one web page to replace five remotes (web IR blaster)
Build an ESP32 web-server IR blaster with a page of buttons for TV, soundbar, and AC. Capture codes with the IR receiver, replay them over Wi-Fi from any browser.
ESP32: receive IR remote signals with the VS1838B
Wire a 3-pin IR receiver module to an ESP32 and decode remote control signals. Use any TV remote, AC remote, or cheap IR remote as a wireless input.