USB for DIY charger 5V Step-Up Power Module Lithium Battery Charging Board
- Input Voltage:3.7V~5.5V
- Charging Current:1A(max)
- Output Current:1A(max)
- Output voltage:5V
- BAT Discharging Stop Voltage: 2.9V.
- Discharging Efficiency:85%(input 3.7V output 5V/1A).
- Charging and discharging indication.
- Internally installed charging and discharging power MOS.
- Preset 4.2V charging voltage, precision ±1%.
- Max 8uA standby current.
- Integration charging management and discharging management.
- Intelligent temperature control and overtemperature protection.
- Integration output overvoltage protection, short circuit protection, overload protection.
- Integration overcharging and over-discharging protection.
- Support trickle mode and zero voltage charging.
- When charging: red light flashing.
- Fully charged: Red light glows for a long time
USB Host Shield
- Works with standard (dual 5/3.3V) and 3.3V-only (for example, Pro Arduino) boards.
- Operates over the extended -40°C to +85°C temperature range
- Complies with USB Specification Revision 2.0 (Full-Speed 12Mbps Peripheral, Full-/Low-Speed 12Mbps/1.5Mbps Host)
- Supports HID devices, such as keyboards, mice, joysticks, etc.
- Compatible with Mass storage devices, such as USB sticks, memory card readers, external hard drives (FAT32 Type File System – Mega Arduino only).
USB humidifier circuit board with an atomizing chip
USB PC Intelligent Control Module 2 Channel 5V Relay Module (No Need Driver)
- Contact type: NC / COM / NO
- Input current: ≥300mA
- Input voltage: DC 5V
- Support Win7, XP 32-bit systems
- Onboard square USB interface, stable connection.
- Use an imported high-performance USB control chip.
- Application code: Green indicates that the relay is closed, the red disconnect
- Military-grade PCB board production
USB TO RS-485 CONVERTER
- Small and compact size
- Baud rate:75 bps-115200bps, up to 6Mbps
- Communication distance:1200m
- Support USB 2.0 standard
- Self-powered by USB bus
- Working temperature:-40degree - +85 degree
- RS-232 serial port transmission speed of max 115.2Kbps
- Supports full handshake protocol, full-duplex data operating mode
- Directional control: Uses automatic data flow control technology, automatic identification and control of data transfer direction Load capacity: support multipoint
- Interface protection: TVS tube protection, USB self-recovery protection
- Screw Terminal Connector for easy connection
- The module requires no external power, it takes power from the USB port
- Supported Systems: Windows XP, Vista, Windows 7, Linux, macOS, and
- Dimension:6.1x1.6x1.3cm
USB to RS485 TTL Serial Converter Adapter with an FT232 chip
USB TO SERIAL CP2102 CONVERTER
- Reliable and stable device
- Baud rate:300bps-1Mbps
- Supports Windows, Linux &Mac
- Compliant withUSB2.0 at a full-speed 12Mbps
- Self-power :3.0 to 3.6v
- USB bus power:4.0 to 5.25v
- Supports all handshaking and modem interface signal
- Standard USB type A male and TTL 6pin connector.
- 6pins for 3.3V, RST, TXD, RXD, GND & 5V.
- All handshaking and modem interface signals.
- Byte receives buffer; 640 bytes transmit buffer.
- Hardware or X-On/X-Off handshaking supported.
- Event character support Line break transmission.
- USB suspend states supported via SUSPEND pins.
- Temperature Range: -40 to +85.
- Dimension: 42mm X 15mm.
USBASP PROGRAMMER
- No special USB controller required
- Programming speed is up to 5Kbytes/sec
- Working platform: Linux, Windows, Mac OS X
- Allows to read or write the microcontroller EEPROM, firmware, fuse bits, and lock bits
- No special controllers or SMD components are needed.
- Target is supported by the SCK option with a low clock speed (<1.5MHz)
- Programming status and Bus status are easily identified
- The easy interface is achieved by Header pins for various ISP header pins
- Dimension: 63.3*20.5*10.5mm
- Weight: 15gm
UTC1240A Electronic Dual-Tone Ringer
UV Sensor Module Ml8511 Analog Output UV Sensor Breakout
