DS1820 Temperature Sensor
- Unique 1–Wire interface requires only one port pin for communication
- Multidrop capability simplifies distributed temperature sensing applications
- Requires no external components
- Can be powered from the data line
- Zero standby power required
- Measures temperatures from –55° C to +125° C in 0.5° C increments.
- Temperature is read as a 9–bit digital value.
- Converts temperature to digital word in 200 ms (Typ.)
- User-definable, nonvolatile temperature alarm settings
- Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition)
TM1637 4 Bits Digital Tube LED Display Module With Clock Display for Arduino
- Driver Chip: MAX7219
- Input Voltage: 3.7 to 5.3 V
- Input Current: 30 mA
- Display Dimensions: 42x24x12 (LxWxH) mm
- Ease to use.
- Ease of multiplexing.
- Can use as a 4 digit display unit.
- Can use as a clock display.
- The counter project uses 7 segment display.
- 4 M2 screws positioning holes for easy installation
DB9 BreakOut Board
1×4 Key Matrix Switch Keypad
- Key Type: 4×1;
- Voltage: DC 12 Volt
- Mount Style: Self-Adherence
- Circuit Rating: 35 VDC, 100 mA.
- Contact Bounce : <=5ms
- Life Expectancy: 1 million closures
- Operation Temperature : -20 to +40 °C
- 5 pins 2.54mm pitch connector, 4×1 type 4 keys.
- Force: 250-350g
- Contact Bounce: Greater than 1s
- Cable Length: 52mm
- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- Used widely in industrial and home electronic equipment's, instruments, etc.
1 x 5 Keypad Switch
Voltage Divider Module for boards compatible with Arduino
- Working Voltage: 5.0 V DC
- Measurement Accuracy: <=1%
- Input Range: 25V max
- Resistor Tolerance: 0.5%
- Temperature Coefficient: 50PPM/°C
- Ratio: 0.18 ( ADC reference voltage / 0.18)
- External voltage and grove interface
- Eliminates the need to connect resistance to the input interface
- Adjustable gain
- Easy to use
Adapter Breakout PCB for ESP 32F ESP32 ESP-WROOM-32 Wireless Bluetooth Module
UNO R3 Transparent Case
- Material: A grade acrylic sheet.
- For Arduino UNO R3 Development Board only.
- With screw copper pillar and installation instructions.
- To protect your little computer against damages, dust and scratches Clear Top and Bottom.
- This case provides easy access to all ports.
- It requires no tools for easy assembly and disassembly.
- Simply Clicks Together Enclosure.
