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The DHT11 is a low-cost, pre-calibrated digital sensor designed for precise humidity and temperature measurements. It features resistive humidity sensing and an NTC thermistor for temperature detection, making it ideal for a variety of applications, from home automation to weather monitoring. This module outputs digital data on a single pin, making it easy to integrate…
📌 Specifications
🔹 Temperature Range: -40°C to 80°C
🔹 Temperature Accuracy: ±0.5°C
🔹 Humidity Range: 0% – 100% RH
🔹 Humidity Accuracy: ±2% RH
🔹 Response Time: <2 seconds
🔹 Operating Voltage: 3.3V – 5V DC
🔹 Output Signal: Digital (Single-Wire Interface)
🔹 Dimensions: 27mm x 59mm (L x W)
🔹 Weight: ~2.5g
📌 Pin Details
🔹 VCC – Power input (3.3V to 5V DC)
🔹 GND – Ground
🔹 DO – Digital Output (High/Low signal based on light intensity)
📌 Pin Details
🔹 VCC: 3.3V – 5V DC (Power Input)
🔹 GND: Ground
🔹 DO: Digital Output (0V – 5V)
Specifications:
The DPDT ON-OFF Rocker Switch is a simple, reliable, and versatile component for powering your electronic projects and devices. Designed for easy installation and operation, this switch is suitable for various applications requiring efficient power control.
Specifications:
Specifications
| Parameter | Value |
| Operating Voltage | 3.3V DC |
| Analog Output | Yes |
| Temperature Range | -40°C to 90°C |
| Cable Length | 50 cm |
| Board Dimensions | 36mm x 30mm x 18mm |
| Weight | 5g |
| Connector Type | 3.5mm Jack for ECG pads |
Specifications
| Parameter | Value |
| Ethernet Standard | 10Base-T |
| Communication Interface | SPI (Serial Peripheral Interface) |
| Max SPI Clock Speed | 20MHz |
| Crystal Oscillator | 25MHz |
| Ethernet Port | HanRun HR911105A |
| Supply Voltage | 3.3V (5V-tolerant inputs) |
| Operating Current | ~180mA |
| Board Dimensions | 57mm × 34mm × 16mm |
| Weight | 14g |
Specifications:
Specifications
📌 Specifications
🔹 Operating Voltage: 4.8V – 6V DC
🔹 Output Current: 15mA (5.0V)
🔹 Output Signal: 1.5ms ± 0.5ms
🔹 Dimensions: 35mm x 30mm x 15mm
🔹 Knob Diameter: 12mm
🔹 Weight: 8g
🔹 Color: Blue
Specifications:
📌 Pin Description
🔹 VCC – Power input (3.3V–5V)
🔹 GND – Ground
🔹 TXD – UART Transmit
🔹 RXD – UART Receive
🔹 STATE – Internal LED status pin (optional)
🔹 BRK – Disconnect Bluetooth connection (optional)
Features:
📌 Specifications
🔹 Wavelength: 650nm (Red Laser)
🔹 Output Power: 5mW
🔹 Operating Voltage: 3V – 5V DC
🔹 Operating Current: <40mA
🔹 Beam Shape: Dot/Point
🔹 Lens Type: Plastic (Adjustable Focus)
🔹 Operating Temperature: -10°C to 40°C
🔹 Module Dimensions: 6.5mm x 18mm
🔹 Pin Definition: VCC (+), GND (-), Control (TTL Input)
Specifications:
Applications:
🔹 Adjustable Power Supplies
🔹 Battery Chargers
🔹 Constant Current Regulators
🔹 DIY Electronics Projects
🔹 Solar Power Regulation
🔹 LED Driver Circuits
Package Includes:
📦 2 x LM317 Adjustable Voltage Regulator ICs
Would you like any additional details or modifications? 😊
2N2222 NPN Transistor (Pack of 20)
The 2N2222 is a widely used NPN bipolar junction transistor (BJT) designed for low-power switching and amplification applications. It is known for its fast switching speed, low saturation voltage, and reliability, making it a favorite among electronics enthusiasts and professionals.
Features:
✔ NPN Silicon BJT Transistor
✔ Low Saturation Voltage (VCE(sat))
✔ High-Speed Switching Capability
✔ Collector Current (IC) up to 800mA
✔ DC Current Gain (hFE) of 35 to 300
✔ Maximum Collector-Emitter Voltage: 40V
✔ Ideal for Switching & Amplification
Specifications:
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30 Kinds Ceramic Capacitor Assorted Kit (2pF - 0.1µF) 