SIM800L GSM module GPRS adapter board MicroSim card Core board

The SIM800L GSM module is a compact and reliable communication device that enables seamless connectivity to the GSM network. With its advanced features and low power consumption, this module is ideal for a wide range of applications, including remote monitoring, tracking, and data transfer. Its compact size and easy-to-use interface make it an excellent choice for developers and hobbyists alike.

Specifications:

Module model: SIM800L (new module, performance exceeds SIM900/M590)

Working voltage: 3.7~4.2V (peak current is 1A, please handle it properly)

Support network: global quad-band network

Module size: 2.5cmx2.3cm

The serial port is a TTL serial port, which can be directly linked with the microcontroller.

The module is powered on automatically, and automatically finds the network

Onboard a signal indicator (slow flashing with signal, fast flashing without signal)

Small size, there is no GSM module smaller than this module

Full machine chip processing, reflow soldering, stable performance

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SIM800L GSM module GPRS Adapter Board
lahiru Dhananjaya

USB to RS232 Serial Converter Cable

Specifications

1. USB Standards:
   • Connector: USB Type A (Male)
   • Compliance: USB 1.1, USB 2.0, and USB 3.0 compatible
   • Power Supply: Bus-powered (no external power supply required)
   • Data Transfer Rate (USB to Serial): Up to 921.6 kbps
2. RS232 Serial Standards:
   • Connector: DB9 (Male or Female depending on model)
   • Signal Support:
     • TXD: Transmit Data
     • RXD: Receive Data
     • RTS: Request to Send
     • CTS: Clear to Send
     • DSR: Data Set Ready
     • DTR: Data Terminal Ready
     • DCD: Data Carrier Detect
     • RI: Ring Indicator
     • GND: Ground
   • Baud Rates: Supports baud rates from 75 bps to 921.6 kbps
   • Flow Control: XON/XOFF, RTS/CTS, DTR/DSR
3. Chipset:
   • Depending on the manufacturer, various chipsets such as FTDI (FT232RL), Prolific (PL2303), or CH340.
   • FTDI Chipset: Often preferred for driver compatibility and high reliability.
4. Operating System Compatibility:
   • Windows: Windows 11, 10, 8, 7, Vista, XP
5. Additional Features:
   • Driver Installation: Most models support plug-and-play functionality with automatic driver installation. Manual driver installation may be required for some systems.

USB to RS232 Serial Converter Cable
lahiru Dhananjaya

Digital Voltmeter Ammeter 100V 10A Blue & Red Dual LED Display Panel Mount

Electronic test equipment that (DVM) measures an unknown input voltage by converting the voltage to a digital value and then displays the voltage in numeric form.

Specification

• Working voltage: 4.5-30VDC (Note: The maximum input voltage can not exceed 30V, otherwise there is the danger of burning)
• Working current: ≤ 20mA
• Display: 0.28″ Two color blue and red
• Measuring range: 0-100VDC 0-10A
• Voltage resolution (V): 0.1V
• Current resolution (A): 0.01A
• Refresh rate: ≥ 100mS / times
• Measure accuracy: 1% (± 1 digit)
• Operating temperature: -15 to 70° c

Digital Voltmeter Ammeter 100V 10A Blue & Red Dual LED Display Panel
lahiru Dhananjaya

Buy Digital Panel Meter (DC Ammeter)

-Ability to Measure Current up to 30A DC

– Model: BT-100
– Color: Black
– Material: Metal, Plastic
– 2.1″ LED 4-digit display
– Working voltage: DC5V±10%
– Super range indicator light: 1/-1
– Sampling rate: 3 times per second

Digital Panel Meter (DC Ammeter)
Ashen Premathilake

LED PANEL (16cm x 32cm) Green

LED PANEL (16cm x 32cm) Green
lahiru Dhananjaya