Learn how to interface ESP32 thermal printer with complete tutorial. Includes PNP-500 wiring, Arduino code, circuit diagrams, and projects for receipt printing, barcodes, and QR codes. Perfect for ...

Build a low-power wearable air quality pendant using STM32 and SGP40 sensor to monitor TVOC levels with RGB LEDs, buzzer alerts, and real-time feedback, ideal for homes, offices, or industrial safety.

Sensor dust is inevitable. Fortunately, sensor cleaning is straightforward, especially with mirrorless cameras – but sometimes you don't notice those dust bunnies until you're already in the field.

ESP32-C3 based IR remote hub offers touch sensor, haptic feedback, 360° coverage The XIAO Smart IR Mate is a compact circular-shaped IR remote hub/blaster built around the XIAO ESP32-C3 and designed ...

Power cords got you wound up? We’ve tested dozens of cordless stick vacuums to find those with the best combination of cleaning power, comfort, and convenience.

For most photographers, dust on the sensor is an inevitable fact of life. Cleaning that sensor isn't as scary as it may seem, though.

Related area RMT/UART Hardware specification ESP32 devkit Is your feature request related to a problem? When compiling with the newest released core v3.3.0, RMT seems to be finally working correctly, ...

I have an esp32 S3, and I only have 1 gpio left. Is it possible to get audio playback with just 1 pin? I don't have any other pin to assign any kind of bclk or clk. And i know that S3 boards don't ...