tetralink technologies

Key Features :

1. Voltage: 3.0 V 5 V.
2. Output: red laser straightly(650nm).
3. Driver: APC circuit.
4. Size: 12.0 x35mm.
5. Line length: about 135 mm.
6. Transmit power: 58mW.
7. Operating Current: 40mA.
8. Operating temperature: -36 ~ 65C.
9. Pot size: 15 meters spot for 10 mm ~ 15.
10. Outer diameter: 6 mm.

Key Features :

• • • 16 Characters x 2 Lines
    • Green Backlight
    • 5×7 Dot Matrix Character + Cursor
    • HD44780 Equivalent LCD Controller/driver Built-In
    • 4-bit or 8-bit MPU Interface
    • Standard Type
    • Works with almost any Microcontroller

Key Features :

1. 1. 1. Independent interface:
         • The light-emitting module controls the red, yellow, and green lights separately, a total of four independent interfaces.
      2. Fast response:
         • The light-emitting module can respond super fast, with strong anti-interference ability and high-cost performance.
      3. Good performance:
         • The light-emitting module has ultra-low energy consumption, long transmission distance, and is very reliable.

Key Features:

• Model name:DC-DC LM2596S buck module
• Input voltage:3.2V~46V (recommended for use in 40V)
• Output voltage:1.25V~35V
• Output current:3A (maximum)
• Conversion efficiency:92% (highest)
• Output ripple:<30mV
• Switching frequency:65KHz
• Working temperature:-45 ~ +85
• Dimension:21mm * 43mm * 14mm (length * width * height)

Key Features :

1. • Mb102 Bread Board
   • 830 Solder-less Points
   • Ideal for Experimenting With Circuit Design In Labs
   • Compatible with resistance, diodes, transistors, LEDs , Capacitors and other types of electronic components
   • Completely reusable
   • Colored coordinates for easy components placement.
   • Phosphor bronze nickel plated spring clips.
   • Accept a variety of wire sizes 20-29 AWG

Key Features :

1. Breadboard power supply module, compatible with 5V, 3.3V.
2. Apply to MB102 breadboard
3. Input voltage: 6.5-12 V (DC) or USB power supply
4. Output voltage: 3.3V/5V can switch over
5. Maximum output current: <700 ma
6. Fluctuation two road independent control, can switch over to 0 V, 3.3 V, 5 V
7. On-board two groups of 3.3V, 5V DC output plug pin, convenient external lead use.
8. Size: 53 x 32 x 23 mm.

Key Features :

1. Build in ultra low noise linear LDO voltage regulator
2. Build-in on board filters, which reduce noise from motor and other high current electronics
3. All sensors connected to I2C bus
4. You can easily select two I2C address for MPU6050 by soldered jumper
5. Tri-Axis angular rate sensor (gyro) with a sensitivity up to 131 LSBs/dps and a full-scale range of 250, 500, 1000, and 2000dps
6. Tri-Axis accelerometer with a programmable full scale range of 2g, 4g, 8g and 16g
7. Digital Motion Processing (DMP) engine offloads complex MotionFusion, sensor timing synchronization and gesture detection
8. Embedded algorithms for run-time bias and compass calibration. No user intervention required
9. Power LED
10. Input Voltage: 2.3 3.4V
11. Build in Logic level converter for I2C
12. Digital-output temperature sensor
13. Dimensions20x16mm
14. Designed for 5V logic level

Key Features :

1. Good sensitivity to Combustible gas in wide range
2. High sensitivity to LPG, Propane and Hydrogen
3. Long life and low cost
4. Simple drive circuit

Key Features :

1. 1. Stepper motor is known by its property to convert a train of input pulses into a precisely defined increment in the shaft position.
   2. This is a high-quality motor that can be used for a long time without stuck.
   3. It has a quite stable performance during work and will not lose step.
   4. Low noise and big torque, this is a great choice if you need a stepper motor.
   5. Stepper motor can be widely used for a 3D printer, CNC engraving machine, etc.

Key Features :

1. 1. 1. 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire
      2. supported(except D0)
      3. 1 analog input(3.2V max input)
      4. Micro USB connection
      5. Use BRT (Bias Resistor Transistor), easier into flash mode.
      6. 30% increase in radiating area, more stable.
      7. Dimensions : 35 x 26 x 8 (LxWxH) mm.
      8. Weight: 10 gm.
      9. Board Color : Blue
      10. Compatible with Arduino
      11. Compatible with NodeMCU
      12. Compatible with MicroPython

Key Features :

1. Product use: rain, rain sensor, can be used for all kinds of weather monitoring, and translated into output signals and AO.
   The sensor USES the high quality FR 04 double material, large area of 5.5 * 4.0 CM, treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance;
   The comparator output, signal clean, good waveform, driving ability is strong, for more than 15 mA;
   With potentiometer sensitivity adjustment
   The working voltage of 3.3 V to 5 V
   The output format: digital switch output (0 and 1) and analog AO voltage output;
   Has a fixed bolt hole, convenient installation
   Small board PCB size: Approx. 3.2 cm x 1.5 cm
   The LM393, use of wide voltage comparator

Key Features :

1. The main chip: ISD1820.
2. Dimensions : 43 x 34 x 11 (LxWxH) mm.
3. The working voltage: DC 3V-5V.
4. Loudspeaker: 8 Ohm, 0.5W.
5. An easy to use 10 seconds of voice recording.
6. High-quality, natural voice restored.
7. Can be used as propaganda module.
8. With looping, jog playback, single-pass play function.
9. Available single-chip control.
10. This module can directly drive a small speaker 8 ohm 0.5W.
11. Power supply : 3-5V, which can be accessed pin power.
12. Audio recording control mode: the key to control or microcontroller, IO has drawn the line of control.