Digital Sensor TTP223B Module Capacitive Touch Switch

The Digital Sensor TTP223B Module Capacitive Touch Switch is based on a touch-sensing IC (TTP223B) capacitive touch switch module. Allows you to remove the worry of conventional push-type keys.

Digital Capacitive Touch Switch Module is based on TTP223B. Normally, it outputs low and keeps at low power state. When a touch is sensed on the circular marked region, it outputs high and switches to the quick response state. When not being touched for 12 seconds, it switches to low power state again.

If the module is mounted in the surfaces of non-metallic materials such as plastic, glass, acrylic, you can make the keys hidden in the walls and desks.

In addition to the thin paper ( non-metallic ) covering the surface of the module, as long as the correct location of the touch, you can make hidden in the walls, desktops and other parts of buttons.

Touch Sensor Interface :

1. Control Interface: A total of three pins (GND, VCC, SIG), GND to the ground, VCC is the power supply, SIG digital signal output pin
2. Power Indicator: Green LED, power on the right that is shiny
3. Touch area: Similar to a fingerprint icon inside the area, you can touch the trigger finger.
4. Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination.

Features :

1. Low power consumption
2. Power supply for 2 ~ 5.5V DC
3. Can replace the traditional touch of a button
4. Four M2 screws positioning holes for easy installation
5. Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V) : 8 mA
6. Output pin pull-up current (@ VCC = 3V, VOH = 2.4V) : 4 mA

Package Includes :

1 x Digital Sensor TTP223B Module Capacitive Touch Switch

The L293D Motor Driver/Servo Shield for Arduino is probably one of the most versatile on the market and features 2 servo and 4 motor connectors for DC or stepper motors. That makes it a great shield for any robotic project.

This Arduino compatible motor Driver shield is a full-featured product that it can be used to drive 4 DC motor or two 4-wire steppers and two 5v servos. It drives the DC motor and stepper with the L293D, and it drives the servo with Arduino pin9 and pin10.

The shield contains two L293D motor drivers and one 74HC595 shift register. The shift register expands 3 pins of the Arduino to 8 pins to control the direction of the motor drivers. The output enables the L293D is directly connected to the PWM outputs of the Arduino.

Firmware

Note:

Power for the motors can be supplied from the Arduino boards DC Jack (normally 9V) or from the 2-pin EXT-PWR terminal block. If you are supplying power from the EXT_PWR terminal block you should remove the PWR jumper or you could damage the shield and the Arduino board.

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Features :

1. 2 connections for 5V ‘hobby’ servos connected to the Arduino’s high-resolution dedicated timer
2. 4 H-Bridges: L293D chipset provides 0.6A per bridge (1.2A peak) with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 25VDC.
3. Up to 4 bi-directional DC motors with individual 8-bit speed selection (so, about 0.5% resolution)
4. Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil, or interleaved stepping.
5. Pull-down resistors keep motors disabled during power-up
6. Big terminal block connectors to easily hook up wires (18-26AWG) and power
7. Arduino reset button brought up top
8. 2-pin terminal block and jumper to connect external power, for separate logic/motor supplies
9. Tested compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
10. Download the easy-to-use Arduino software library, check out the examples and you’re ready to go!

GY-31 Color Sensor Module is made using IC TCS3200, a programmable color light to a frequency converter. It has configurable silicon photodiodes and a current to frequency converter in a single monolithic CMOS Integrated Circuit. Its output is a square wave having a 50% duty cycle with frequency directly proportional to irradiance (light intensity). This module can be directly interfaced with Microcontrollers, Arduino Boards, Raspberry Pi, etc.

Note: This Product is available in two different variants (GY-31 and HW-531) with the same working we will ship it randomly.

Features:

1. High-Resolution Conversion of Light Intensity to Frequency
2. Programmable Color and Full-Scale Output Frequency
3. Power Down Feature
4. Stable Temperature Coefficient
5. Can be directly interfaced with a Microcontroller

Package Includes:

1 x GY-31 TCS3200 Color Sensor Module