line working voltage: 4.0~40V
line detection voltage: 0.0~100V
Working current: <20mA
Display mode: 0.28 “LED,
Working temperature: -10 ~ +65
Limit working condition
line working voltage: 4.0~40V
line detection voltage: 0.0~100V
Working current: <20mA
Display mode: 0.28 “LED,
Working temperature: -10 ~ +65
Limit working condition
NODE ESP-32 Development Board WiFi Bluetooth (30 pin)
Wifi ESP8266-01s Breakout
ESP8266 WROOM-02 With Breakout Board 




