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?Key Features :

1. Temperature and Humidity displayed in HUGE 1″ high numbers.
2. MAX / MIN Humidity & Temperature are recorded automatically and can be reset by the user
3. Fahrenheit or Celsius readout (changeable by selecting F or C on the back)
4. 12 or 24 hour time modes (changeable by using MODE & ADJ button to set)
5. ALARM function
6. MONTH & DAY display available by pushing ADJ button
7. Integrated back stand for desktop or table use OR hanging hole for wall mounting
8. Power: ONE standard AAA 1 .5v Battery
9. Time, and Temperature display, Humidity display; With the calendar, alarm clock and the maximum or?minimum value of humiture memory functions; the convert of temperature and degree?Fahrenheit, Talkclock.

?Key Features :

1. Operating Voltage: 3.3 ~ 5.5 VDC
2. Output Voltage: 0 ~ 3.0VDC
3. Interface: PH2.0-3P
4. Dimension: 98mm * 23mm (3.86in x 0.905in)
5. Supports Gravity 3-Pin interface
6. Analog output

?Key Features :

1. • 5V power supply.
   • Serial I2C control of LCD display using PCF8574.
   • The backlight can be enabled or disabled via a jumper on the board.
   • Contrast control via a potentiometer.
   • Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing.
   • Size ?41.6 x 19.2 mm.

?Key Features :

1. Mechanical structure, easy to install.
2. This car has tachometer encoder
3. With 4 cell AA battery holder and power switch.
4. Can be used for distance measurement, velocity.
5. Can use with other devices to realize the function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.
6. Gear Motor reduction radio: 1:48.
7. Size: 22cm x 14.7cm, wheel size: 7cm x 7cm x 2.6cm.
8. Note: motor power supply is 3V~6V.

?Key Features :

1. 1. 1. sensor adopts TR5000, high sensitivity
      2. sensitivity adjustable digital potentiometer to adjust (blue)
      3. modules can induction block from 0 to 3 cm
      4. 5 V working voltage of 3.3 V
      5. 5a output form the output analog voltage (0 to 5 v) B digital switch output (0 and 1)
      6. Has a fixed bolt hole, the work of the installation
      7. Small board PCB size: 3.5 cm * 1.5 cm
      8. The power indicator light (red) and digital switch output indicator light (green)
      9. Comparator USES the LM393 chips, work stability
      10. Three small plate interface specifications wire (4)
      11. 1 VCC external 3.3 V to 5 V
      12. 2 GND external GND
      13. 3 DO small plate digital output interface (0 and 1)
      14. 4 small AO plate analog output interface (0 to 5 v)

?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 ~ 65?C.
9. Pot size: 15 meters spot for ?10 mm ~ ?15.
10. Outer diameter: 6 mm.

?Key Features :

1. Measures Inductors with ESR (in ohms)
2. Measures capacitance and ESR
3. Auto Detects and Measures forward voltages of diodes, dual diode, and LEDs
4. Test FETs gate capacitance and turn-on gate voltage
5. Discovers transistor for NPN or PNP type and measures HFE / Gain and Saturation Voltage
6. Test SCR,
7. Can also test voltage regulators including surface mount regulators
8. Measures Resistance, and Adjustable potentiometers
9. Auto operation, Auto detects pinout of transistors, fets, LEDs, diodes and voltage regulators
10. Bright Backlight
11. One-touch operation
12. Battery voltage display at power-up and low battery display

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. Max Voltage:?100VDC
2. Max Current:?500mA
3. Max Rating:?10W
4. Gap:?20 5mm
5. Contact Mode:?NO
6. Dimensions:?34x41x6.5 mm