Module description:1. the module can be high or low by a jumper setting trigger;2. fault-tolerant design, even if the control line is broken, the relay will not operate;3. the power indicat..
ISD1820 Voice Recording & Playback ModuleIntroductionVoice Record Module is base on ISD1820, which a multiple‐message record/playback device.It can offer true single‐chip voice recording, non-volatile storage, and playback capability for 8 to 20 seconds. The sample is 3.2k and the total 20s for ..
Support Micro SD Card (<=2G), Micro SDHC card (<=32G) (high-speed card)The level conversion circuit board that can interface level is 5V or 3.3VPower supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit boardCommunication interface is a standard SPI interface.
This module directly connects to any microcontroller UART or through a RS232 converter to PC.It gives UART/Wiegand26 output. This RFID Reader Module works with any 125 KHz RFID tags Specifications 5VDC through USB (External 5V supply will boost range of the module)Current: <50mAOperatin..