sensor and other Modules.
R307 is a biometric fingerprint sensor module for authentication, security, and Arduino projects.
1-channel 5V relay module with opto-isolation for safe switching of AC/DC devices using microcontrollers like Arduino and ESP32.
2-channel 5V relay module for switching AC/DC devices, compatible with Arduino, ESP32, and other microcontrollers.
4-channel 5V relay module for controlling multiple AC/DC devices using Arduino, ESP32, or other microcontrollers.