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This module let you control four 250VAC - 10A relays with a 5V signal (15-20mA). Just send a logic TTL Active LOW signal from a microcontroller (Arduino, Raspberry Pi, 8051, AVR, PIC, DSP, ARM, MSP430) to switch the relay on. Inputs are Opto-isolated and there's Indication LED’s for Relay output status.
OLED displays are nice to print characters, bitmap images or different shapes like circles and rectangles. They also have a minimal power consumption and are suitable for battery powered applications. This Oled screen uses the SSD1306 chip and is driven with 2 wires I2C. It is compatible with the most of Arduino libraries.
This is a 5.5mm Jack Barrel, 2.1mm center pole breakout board. It can be used on a breadboard and is compatible with our AC/DC Power Jack wall wart adapters. The three output pins Tip, Sleeve and Shunt are broken out with 2.54mm pitch. Mounting holes are also present if you need to fix this securely.
DHT11 is a Digital output relative humidity and temperature sensor, easy to set up and to program. It only requires a pull up resistor for operation and there are plenty of librairies available to program this module with Arduino, Raspberry Pi or esp8266.
5 meters of Warm White Led strip (300 Leds), flexible, auto adhesive, low power (3.5W/m) and easy to use. Just power this Led strip with 12V and the Leds are shining. Our 12V 2A wall wart adapter with our Jack barrel adapter works well. You can also use the VIN port of your Arduino or Imagine. Suitable for indoor application like home decoration, hotels...
This logarithmic potentiometer has a resistor that vary with an exponential curve. This potentiometer taper are widely used for audio applications.Rotation angle: 300°. 3 pins 2.54mm spaced. This pot has a 0.24mm mounting diameter and a 10K logarithmic taper. Dimensions: 10x11.7mm.