1 Hz output pin SQW. 32 KHz output pin 32K. Voltage Supply: 2.2 V ~ 5.5 V (for RTC). Time Format: HH: MM: SS (12/24 hr). Date Format: YY-MM-DD-dd. DS 3231 based RTC with 2032 Battery Holder.
Simple, low-cost metal stampings form a read/write probe for the?iButton family Probe guides the entry of the?iButton iButton slides over the surface to self-clean contacts Accessible shallow probe cavity simplifies removal of debris such as mud Flexible design supports panel-mount or hand-grip mount with optional tactile feedback
On-board level shift circuit Arduino UNO R3 and the compatible board can directly connect to this module; Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit); Working voltage: 4.5~5.5V (Onboard 3.3V LDO Regulator); Working current: 240mA(MAX).
ESP-Prog is a development and debugging tool with automatic download firmware, serial communication, JTAG online debugging, and other functions. ESP-Prog is easy to use
With ESP8266 Wifi module,4-layers board design. Input overvoltage protection, input with TVS, when the voltage exceeds 33V, automatic protection will operate. Input overcurrent protection. 220V 10A relay, one normally open, one normally closed. One way optocoupler isolation input, TVS input protection.
Diode effusion protection Short response time Onboard Relay:12V,10A/250V AC 10A/30V DC relay Transmission distance : 400m (max) Operating Voltage:12 V Baud Rate: 9600
