Before you buy the Sonoff (Itead) S40ZBTPB, check what's inside.
The Sonoff S40ZBTPB is a mains-powered smart plug that uses Bluetooth for connectivity and integrates with the Sonoff ecosystem via the eWeLink app. It allows for remote control and automation of connected appliances.
⚠️ NOTE: This device connects to mains voltage (110-240V). Always disconnect power before working on or near the device.
Quick Specs
- Manufacturer: Sonoff (Itead)
- Model: S40ZBTPB
- Protocol: Bluetooth
- Chipset: ESP/CK Chip
- Ecosystem: Sonoff
- App: eWeLink
🔧 Geek Corner (Flashing Info)
- Chipset: ESP32 (likely)
- Flashable: ❌ No
- Info: Typically uses ESP32 variants with locked bootloaders or custom firmware that prevents easy flashing of alternative firmware like Tasmota or ESPHome.
User Manual
Scanned pages from the official user manual:
External Photos
Photos of the device exterior:
Internal Photos
Teardown photos showing the PCB and components:
Verdict
The S40ZBTPB is a Bluetooth device from the Sonoff ecosystem.