Operating voltage: 3.3V Communication interface: I2C Logic level: 3.3V LSF0204PWR:?4-ch voltage level translator RT9193-18:?1.8V linear regulator RT9193-33:?3.3V linear regulator
MAX705 monitoring circuit with auto-reset function Incorporates DS3231SN high precision RTC chip, with backup battery holder Reset pin selection for switching watchdog
Supports SMS, phone call, GPRS, TCP/IP, DTMF, HTTP, FTPl, etc. UART interface, for connecting controller boards like Arduino/STM32 Onboard voltage translator, 3.3V by default, switch to 5V via jumper 2x LED indicators, easy to monitor the working status SIM card slot, supports 1.8V/3V SIM card
Supports Raspberry Pi 3B+/4B, compatible with the Raspberry Pi official case PoE (Power Over Ethernet) capability, IEEE 802.3af-compliant Fully isolated switched-mode power supply (SMPS) Smaller and more flexible with a more compact component layout
Ultra-compact and portable USB flash drive Share your photos, videos, songs, and other files between computers with ease Protect your private files with included SanDisk SecureAccess software Includes added protection of secure online backup (up to 2GB optionally available) offered by YuuWaa Password-protect your sensitive files
Built in High quality Class-D stereo audio amplifier (TI TPA3118D2) AMP can be enabled / disabled via jumper 3.5mm stereo audio jack Built in High quality audio headphone amplifier (TI TPA6133A)
Standard: IEEE 802.3at-2003 PoE Input voltage: 37??57 V DC, Class 4 device Output power: 5 V DC/4 A Integrated Fan Control and 25mm x 25mm Brushless Fan Plug-and-Play Compatibility with Raspberry Pi 3 B+ and Pi 4
HAT compliant accessory; EEPROM, mounting holes Full-HD audio ?? up to 24-bit/192kHz playback Up to 2x35w of crystal clear amplification No soldering required to your Raspberry Pi ound card ?? access to gpio yes Sound card ?? type amp
