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Other components for electronic development
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.
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.
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.
This tilt switch has a metal ball inside his body. It's like a normally closed (ON) switch and when the sensor reach a 15 degrees angle the circuit is open (OFF state). Great for tilt, shake and sensing projects! Max voltage: 20V - Max current: 0.3A - ROHS