Wireless Module

Smart proximity switch with Bluetooth BLE, automatically activates a bistable relay when the phone connects and turns off the load after leaving range or disabling Bluetooth. Works without an app, compatible with iOS and Android, has very low power consumption thanks to the latching relay, supports control of up to 10A, and allows advanced settings via AT commands over UART.

Compact WiFi module with ESP8285H16 that adds remote control and real-time monitoring to Sinilink programmable power supplies, mounts directly on the board via a dedicated connector, communicates via 3.3V UART with a ModBUS bridge for commands and telemetry, operates at 3.3-5V with internal regulation, and supports advanced integration through alternative firmware such as ESPHome or Tasmota.