KE4033 Keyes DIY Electronic Brick DHT11 Temperature & Humidity Sensor

KE4033 Keyes DIY Electronic Brick DHT11 Temperature & Humidity Sensor

1. Introduction
The Keyes 2021 New DIY Electronic Brick DHT11 Temperature & Humidity Sensor module is a high-precision digital sensor capable of real-time environmental monitoring. It is widely used in weather stations, smart home systems, and mobile devices.

2. Features
- Eco-Friendly Material: Constructed with black eco-friendly materials meeting modern safety standards.
- High Accuracy: Provides reliable temperature and humidity data for diverse environmental monitoring applications.
- Anti-Reverse Interface: Features a blue anti-reverse connector for secure and stable connections.
- Broad Compatibility: Compatible with various controller boards (e.g., Arduino, Raspberry Pi) for effortless project integration.
- Ease of Use: Simple wiring design suitable for beginners and hobbyists.

3. Specifications
| Parameter | Description |
|-----------------|--------------------------------------|
| Model | KE4033 |
| Sensor Type | DHT11 |
| Cable Length | 200mm |
| Operating Voltage | DC 5V |
| Interface Type | 2.54mm Pitch Anti-Reverse Interface |
| Temperature Range| 0-50°C |
| Humidity Range | 20-90% RH |
| Power Consumption| Approx. 20mA (at 5V operation) |

4. Working Principle
The DHT11 sensor detects temperature and humidity through its internal circuitry and outputs digital signals. The operational process is as follows:
- Power Connection: The module connects to a power supply via VCC and GND, operating at DC 5V.
- Signal Output: Periodically transmits measured temperature and humidity data as digital signals.

5. Pin Description
| Pin Name | Description |
|----------|---------------------------------------------------|
| VCC | Positive power supply connection (DC 5V input) |
| GND | Negative power supply connection |
| S | Digital output signal for temperature & humidity data |