tetralink technologies

 Key Features :

1. Two independent Potentiometer: one for each axis ( X and Y)
2. Auto return to the center position
3. Low weight
4. Cup-type Knob
5. Compatible to interface with Arduino or with most microcontrollers

 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. Model : KY-040.
2. Type : Incremental Encoder.
3. Cycles per revolution (CPR) : 20.
4. Working voltage : 0 – 5V.
5. Material : PCB + Brass.
6. Weight : 10 gm.
7. Size : 32 x 19 x 30 mm.

 Key Features :

1. Operating voltage: 3.3V~5V
2. Dual output mode,analog output more accurate
3. A fixed bolt hole for easy installation
4. With power indicator (red) and digital switching output indicator (green)
5. Having LM393 comparator chip, stable
6. Panel PCB Dimension: Approx.3cm x 1.5cm
7. Soil Probe Dimension: Approx. 6cm x 3cm
8. Cable Length: Approx.21cm
9. Interface Description(4-wire):
10. VCC: 3.3V-5V
11. GND: GND
12. DO: digital output interface(0 and 1)
13. AO: analog output interface

 Key Features :

1. • small size, easy to use;
   • low voltage, low power consumption;
   • high accuracy;
   • strong anti-jamming;
   • integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions.

 Key Features :

• Ceramics thermoelectric Cooler semiconductor module TEC1-12706
• Small module.
• Its work is characterized by side refrigeration and side fever.
• Hot and cold on both sides of the temperature difference of 68 degrees
• Connected to the 12-volt power supply cooling piece on both sides there will be the difference in temperature, side cold side of the heat, do not long power cooler radiator, otherwise, it will cause cooler internal overheating and burning.
• Quality tested cooling cells.
• Solid-state, vibration-free, noise-free.
• Simple to install and operate.
• Fitted with 6-inch insulated leads

 Key Features :

1. LCD display.
2. High accuracy.
3. This thermometer can also be used to measure object temperature (baby milk, food, bath water) or ambient temperature.
4. Waterproof probe, easy to remove.
5. Powered by 2 x 1.5v LR44 button cell.
6. Comes with a probe that is easy to use.
7. Perfect for use in incubators, brooders, homebrew room at any other place, the monitoring of temperature and humidity required.

 Key Features :

1. DIY Projects
2. Battery-operated toys
3. Disk drives Steel rolling mills Paper
4. Machines Medical equipment
5. Radio-controlled aircraft
6. Automobiles Drive systems Positioning
7. Industrial and consumer actuators Winches Robotics Mixers
8. Robotic projects

 Key Features :

1. Holder material:12mm cold-roll steel sheets,blue Zinc plating
   Wheel material: White nylon PP material,wear resisting & handy
   Wheel diameter: 24mm
   Wheel face width: 13mm
   Mounting height: 32mm
   Plate size: 38*32（mm）
   Mounting hole diameter:4mm
   Mounting hole center distance:30*24（mm）
   Single wheel load:10kg
   Single wheel weight:0.04kg

Key Features:

• NEW IMPROVEMENT: Clear prints on the female header connector, more precise and easier to use the wire.
• The ELEGOO UNO R3 BOARD now uses an ATMega16U2 instead of the ATMega8U2 chip. Faster transfer rates and more memory.
• Control using ATMEL ATMEGA328P chip(the same with Arduino UNO R3)
• 100% compatible with the Arduino IDE and RoHS Compliant
• The Uno board can be powered via the USB connection.
• The Uno board can be powered with an external power supply.
• Excellent welding and production quality to make sure satisfied customer experience
• The RX and TX LEDs on the board will flash when data is being transmitted via the USB-to-serial chip and USB connection to the computer.
• We have always cared about the customer experience and improve the product function details.