por | ago 12, 2026
A professional-grade 8-channel electromagnetic relay board, built around the XL9535 I2C expander chip. Compatible with external MCUs (Arduino, ESP32, Raspberry Pi). Arduino (5V logic). For 5V Logic MCU (e.g., Arduino UNO).
por | jul 28, 2026
Specification:1. Ladder type structure, 24 sections, 4 poles.2. Log scale 0-75dB attenuation.3. Rotary is Made-before-break4. Dimension: shaft hole diameter: approx 10mm and shaft length: 11mm.
