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Sensors
DHT21 Sensor Temperature and Humidity Module
DHT21 Sensor Specification:Â
- Model: AM2301
- Power supply: 3.3-5V DC
- Output signal: digital signal via single-bus
- Sensing element: Polymer humidity capacitor
- Measuring range: humidity 0-100%RH; temperature -40~80Celsius
- Accuracy: humidity +-3%RH(Max +-5%RH); temperature <+-1Celsius
- Resolution or sensitivity: humidity 0.1%RH; temperature 0.1Celsius
- Repeatability: humidity +-1%RH; temperature +-0.2Celsius
- Humidity hysteresis: +-0.3%RH
- Long-term Stability: +-0.5%RH/year
- Sensing period: Average: 2s
- Dimensions size 59*27*13.5mm
SKU: dht21-sensor -
Modules and Motors
DHT22 Temperature and Humidity Sensor
DHT22 Sensor for Temperature and Humidity TECHNICAL DETAILS
- Low cost
- 3 to 5V power and I/O
- 2.5mA max current use during conversion (while requesting data)
- Good for 0-100% humidity readings with 2-5% accuracy
- Good for -40 to 80°C temperature readings ±0.5°C accuracy
- No more than 0.5 Hz sampling rate (once every 2 seconds)
- Body size 27mm x 59mm x 13.5mm (1.05″ x 2.32″ x 0.53″)
- 4 pins, 0.1″ spacing
- Weight (just the DHT22): 2.4g
SKU: n/a -
Modules and Motors
DIY Power Bank Mainboard 3.7V to 5V Boost Module
DIY Power Bank Mainboard Module Specifications:
- Input Voltage: 3.7V (Single 18650 lithium battery)
- Output Voltage: 5V
- Output Current Options: 1A / 2A
- Battery Compatibility: 18650 Lithium Battery
- Protection Mechanisms: Overcharge, Over-discharge, Over-current, Short-circuit
- Efficiency: High conversion efficiency for optimal power utilization
- Dimensions: Compact size for easy integration into projects
- Indicator Lights: LED indicators for power status and charging progress
SKU: n/a -
Tools & Instruments
DIY Power Bank Module Solderless
DIY Power Bank Module Specifications:
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- Input Voltage: 5V/2A (Micro USB or Type-C input)
- Output Voltage: 5V/2.1A (Max per USB port)
- Battery Compatibility: Supports 3.7V lithium-ion batteries (18650 batteries recommended)
- Number of USB Ports: 2 or more (configurable based on module variant)
- Dimensions: Compact and portable design, dimensions vary based on module variant
- LED Indicators: Display remaining battery capacity
- Overcharge Protection: Yes
- Overcurrent Protection: Yes
- Quick Charging Support: Yes
- Soldering Required: No
- Compatibility: Universally compatible with various USB-powered devices
- User Manual: Included for easy assembly and operation
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SKU: n/a -
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Modules and Motors
DRV8825 Stepper Motor Driver
Specifications:
- Voltage Input: 8.2V to 45V
- Maximum Current Output: 2.5A per coil
- Microstepping Resolution: Full step, 1/2 step, 1/4 step, 1/8 step, 1/16 step, 1/32 step
- Built-in Thermal Shutdown: Yes
- Step/Direction Interface: Yes
- Operating Temperature Range: -20°C to 85°C
- Dimensions: 20mm x 15mm
SKU: n/a -
Sensors
DS18B20 Sensor Digital Temperature Sensor
DS18B20 Sensor Specifications
- Programmable Digital Temperature Sensor
- Communicates using 1-Wire method
- Operating voltage: 3V to 5V
- Temperature Range: -55°C to +125°C
- Accuracy: ±0.5°C
- Output Resolution: 9-bit to 12-bit (programmable)
- Unique 64-bit address enables multiplexing
- Conversion time: 750ms at 12-bit
- Programmable alarm options
- Available as To-92, SOP and even as a waterproof sensor
SKU: n/a -
Sensors
DS18B20 Temperature Sensor
DS18B20 Temperature Sensor Key Features
- Unique 1-Wire® Interface Requires Only One Port Pin for Communication
- Reduce Component Count with Integrated Temperature Sensor and EEPROM
- Measures Temperatures from -55°C to +125°C (-67°F to +257°F)
- ±0.5°C Accuracy from -10°C to +85°C
- Programmable Resolution from 9 Bits to 12 Bits
- No External Components Required
- Parasitic Power Mode Requires Only 2 Pins for Operation (DQ and GND)
- Simplifies Distributed Temperature-Sensing Applications with Multidrop Capability
- Each Device Has a Unique 64-bit Serial Code Stored in an On-Board ROM
- Flexible User-Definable Nonvolatile (NV) Alarm Settings with Alarm Search Command Identifies Devices with Temperatures Outside Programmed Limits
- Available in 8-Pin SO (150 mils), 8-Pin µSOP, and 3-Pin TO-92 Packages
SKU: n/a -
Cables
DS18B20 Waterproof Sensor Temperature Sensor
DS18B20 Waterproof Sensor Specifications:
- Usable temperature range: -55 to 125°C (-67°F to +257°F)
- 9 to 12-bit selectable resolution
- Uses 1-Wire interface- requires only one digital pin for communication
- Unique 64-bit ID burned into the chip
- Multiple sensors can share one pin
- ±0.5°C Accuracy from -10°C to +85°C
- Temperature-limit alarm system
- Query time is less than 750ms
- Usable with 3.0 V to 5.5 V power/data
SKU: n/a -
Modules and Motors
DS3231 Precision RTC Real Time Clock Module
DS3231 RTC Clock Module Specifications:
- Operating Voltage: 3.3V to 5.5V
- Timekeeping Accuracy: ±2 ppm from 0°C to +40°C
- Temperature Accuracy: ±3°C
- Operating Temperature Range: -40°C to +85°C
- I2C Address: Selectable (0x68 or 0x57)
- Battery Backup Voltage: 2.0V to 3.5V
- Clock Frequency: 32.768 kHz
- Battery Backup Current: <1.5μA
- Timekeeping Current: 200nA at 3.3V, 400nA at 5V
SKU: n/a -
Tools & Instruments, Modules and Motors
DSO138 DIY Digital Oscilloscope Kit
DSO138 DIY Digital Oscilloscope Kit Specifications:
- Maximum real-time sampling rate: 1Msps
- Accuracy: 12Bit
- Sampling buffer depth: 1024 bytes
- Analog bandwidth: 0 – 200KHz
- Vertical sensitivity: 10mV / Div – 5V / Div (1 – 2 – 5 progressive manner)adjustable vertical displacement with instructions
- Input impedance: 1M Ohm
- Maximum input voltage: 50Vpp (1:1 probe), 400Vpp (10:1 probe)
- Coupling modes: DC / AC / GND
- The horizontal time base range: 10 microseconds / Div – 50s / Div (1 – 2 – 5 progressive manner) 1Hz / 3.3V square wave test signal source
SKU: n/a -
Micro Controllers
DSPIC30F2010 Microcontroller
Features:
- Modified Harvard architecture
- C compiler-optimized instruction set architecture
- 24-bit wide instructions, 16-bit wide data path
- Up to 30 MIPS operation
- DSP Engine for math-intensive operations
- Modulo and Bit-Reversed Addressing modes
- Two 40-bit wide accumulators with optional saturation logic
- 17-bit x 17-bit single cycle hardware fractional/ integer multiplier
- Single-cycle Multiply-Accumulate (MAC) operation
- 40-stage Barrel Shifter
- Dual data fetch
SKU: n/a -
Sensors
Dust Sensor Module GP2Y1010AU0F
Dust Sensor Module GP2Y1010AU0F Specifications:
- Particle Size Range: 0.8μm to 2.5μm
- Voltage Supply: 5V DC
- Output Voltage Range: 0.4V to 4.0V
- Operating Temperature Range: -10°C to 65°C
- Operating Humidity Range: 10% to 90% RH (non-condensing)
- Response Time: Less than 1 second
- Dimensions: 46.0mm x 30.0mm x 17.6mm
- Weight: Approximately 15 grams
- Output Interface: Analog Voltage Output
- LED Indicator: Indicates sensor operation and can be used for system diagnostics.
SKU: n/a -
Modules and Motors
EasyDriver Stepper Motor Driver
EasyDriver Stepper Motor Driver Features:
- A3967 Microstepping Driver
- MS1 and MS2 pins broken out to change microstepping resolution to full, half, quarter and eighth steps (defaults to eighth)
- Compatible with 4, 6, and 8 wire stepper motors of any voltage
- Adjustable current control from 150mA/phase to 700mA/phase
Power supply range from 6V to 30V. The higher the voltage, the higher the torque at high speeds
SKU: n/a -
Modules and Motors
EGS002 Pure Sine Wave Inverter SPWM Driver Board 5V
EGS002 Pure Sine Wave Inverter SPWM Driver Board Specifications:
- 5V power supply
- 4 pins of pure sine wave output frequency set:
- Integrated and bipolar modulation
- Along with lineage control, pin 4 time:
- External 12 MHz crystal oscillator
- PWM carrier frequency is equal to 23.4KHz
- Has voltage, current and temperature feedback
- Overvoltage, under voltage, overcurrent, overheating protection circuit
- Has serial communication to adjust the output voltage, frequency and other parameters
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SKU: n/a
