GY-21 HTU21 Sensor Module
- 2.1V to 3.6V Supply Voltage
- Low power consumption – 0.15uA typical
- I2C interface
- Resolution: 0.04%RH, 0.02°C
- Accuracy: ±2%RH, ±3°C
HMC5883L 3 Axis Module Magnetic Field Sensor
- 3-axis magnetic electronic compass.
- Precise heading information.
- Operating Voltage: 3 -5 V DC.
- Driver Chip: HMC5883L.
- Communication: I2C protocol.
- Measuring range: ± 1.3-8 Gauss.
LCD1602 Parallel LCD Display with Grey Backlight
- 16×2 LCD (16 characters per line, 2 lines).
- Shows white characters on a grey background.
- Equipped with a backlight for enhanced visibility in low-light conditions.
- Easily interfaces with Arduino and other microcontrollers.
- Suitable for a wide range of applications requiring basic text display and user interaction.
RS422 to TTL Power Supply Converter Board
- RS422 interface, two-way communication. B Y Z A ultra far transmission 1000 meters
- The module has ESD 15KV protection.
- Onboard to increase the limit of 10 ohms current limiting current protection.
- Module with TVS diode. Anti lightning, peak voltage.
- The module has 120-ohm termination resistors, which can effectively reduce the interference of long-range communication.
LED Scroller Matrix keyboard
- Switch Type: Momentary
- Pin Spacing (mm): 2.54
- Module Dimensions (L x W x H): 57 x 33 x 6
- Weight: 10gm
- 4×4 Matrix Keyboard Module with 16 buttons
Solder Wire 0.8mm 50g
- Product: Solder Wire
- Diameter: 0.8mm
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Type: Rosin Solder Wire
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Shape: Small Roll Type
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Color: Silver
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Uses: Soldering
- Place of Application: Electric Soldering Iron
- Weight: 50g
SPP-C Bluetooth Serial pass-Through Module Wireless Serial Communication from Machine Wireless SPPC Replace HC-05 HC-06
- 3.3V DC power supply
- Operating Frequency Band:2.4GHz -2.48GHz unlicensed ISM band
- Bluetooth Specification: V2.1+EDR
- Dimension (mm): 27 x 13 x 2
- Weight: 5 g
5V Thermal sensor module relay module
- Supply voltage: 5VDC
- Current: greater than 150mA
- Switching Voltage: 250VAC@10A; 30VDC@10A
GY-30 BH1750FVI Module Digital Light Intensity Illumination Sensor
- High precision determination accurate to 1 Lux for different lights
- Operating Voltage: 3-5VDC
- Built-in 16bit A/D converter
- I2C interface
Water Flow Sensor (Sea) YF-S201 Flowmeter G1/2 1- 30L/min Black 5-24V
- Working Voltage: 5 to 18V DC (min tested working voltage 4.5V).
- Max current draw: 15mA @ 5V.
- Working Flow Rate: 1 to 30 Liters/Minute.
- Maximum water pressure: 2.0 MPa.
- Flow rate pulse characteristics: Frequency (Hz) = 7.5 * Flow rate (L/min).
ESP32 38pin expansion board
- Compatibility: ESP32 38-pin development boards
- PCB Material: High-quality FR-4
- Terminal Type Screw terminal and pin header
- Dimensions 78 x 63 x 1 mm
- Operating Voltage 3.3V / 5V (direct via ESP3
HY-SRF05 Ultrasonic sensors 5pin
- Voltage :DC5V
- Working current :15mA
- Working frequency: 40Hz
- Farthest range : 4.5m
- The most nearly range : 2cm
- Measuring Angle : 15 degree
- The input trigger signal : the TTL pulse of 10us
- The input echoes signal : output TTL level signal, proportional to the range
2 Channel Tilt Sensor Module
- Operating voltage 3.3V-12V
- A fixed bolt hole for easy installation
- Wide voltage LM393 comparator
- Maximum output current: 15mA
- Can work on low voltages
NRF24L01+PA+LNA Wireless Transceiver Module with Antenna (2.4GHz – 1100 Meters)
- Voltage: 3-3.6V
- Max output power: +20 dBm
- Working current in transmit mode: 115mA
- Working current in receiver mode: 45mA
- Current in mode: 4.2uA
- Operating temperature: -20-70 degree
- Operating frequency: 2.4GHz ~ 2.5GHz
- Communication distance: Maximum 1100 meters
CP2102 USB 2.0 to TTL UART Serial Converter (6-pin)
- Included USB transceiver, without external circuit device
- Includes a clock circuit and power-on reset circuit
- With 3.3V and 5V dual power output
- Asynchronous serial data bus compatible with all handshake and modulation controller interface signals
- The supported data format is 8 data bits, 1 stop bit and parity bits
Weighing Load Cell Sensor 3Kg for Electronic Kitchen Scale YZC-131 With Wires
- Weighing Range: 0 ~ 3 kg.
- Rated Output: 1.0 ± 0.1mV / V.
- Non Linear Output: ± 0.03% F.S.
- Input Impedance: 1066 ± 10% Ω.
- Output Impedance: 1000 ± 10% Ω.
- Insulation Resistance: 2000 MΩ.
DHT22 Digital Temperature and Humidity Sensor Module
- Measuring range: temperature -40-80 ℃; humidity 0; 99.9%RH
- Measurement accuracy (25℃): temperature: + 0.5; humidity: + 2%RH (10; 90%RH)
- Resolution: temperature: 0.1 ℃, humidity: 0.1%RH
- Attenuation value: temperature: <1℃ / year; humidity: < 1%RH/ years
- High precision
- Capacitive type
- Full range temperature compensated
- Relative humidity and temperature measurement
- Calibrated digital signal
- Outstanding long-term stability
ESP8266 Serial Wifi Module NodeMcu Lua Wifi V3 (CH340 + 30PIN + Micro)
- Power input: 4.5V ~ 9V (10VMAX), USB-powered
- Transfer rate: 110-460800bps
- Support UART / GPIO data communication interface
- Support Smart Link Smart Networking
- Working temperature: -40°C ~ + 125°C
- Drive Type: Dual high-power H-bridge
- Don’t need to download resetting
- A great set of tools to develop ESP8266
- Flash size: 4MByte
PIC ICD2 PICKit2 PICKIT3 Universal Programmer Board
- The PIC ICD2 PICKit2 PICKIT3 Universal Programming Adapter Programmer Board is designed to work in conjunction with the popular PICkit 2 or PICkit3 programmer.
- USB Connectivity
- Debugging Capabilities
- Compact and Portable
Official 7Semi ADS1115 16bit 4-Channel ADC Board with PGA I2C
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16-Bit High-Resolution ADC
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Texas Instruments ADS1115 IC
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4 Analog Input Channels
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Integrated Programmable Gain Amplifier (PGA)
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I2C Interface for Easy Communication
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Wide Supply Voltage: 2.0V–5.5V
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Supports 3.3V & 5V Systems
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Configurable Data Rate: 8–860 SPS
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Low Power Consumption
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Single-Ended & Differential Inputs
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Compact Breakout Board Design
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Compatible with Arduino, Raspberry Pi & ESP32
