NoticeTouch Sensor/Button Brick
From ITEAD Wiki
Contents
Overview
Electronic brick of touch button switch is finger-sized, which can be connected to I/O port of main board or externally disconnected to check the switch state so as to control ON/OFF of LED lamp.
Features
1. Plug and play, easy to use. Compatible with the mainstream 2.54 interfaces and 4-Pin Grove interfaces in the market.
2. With use of M4 standard fixed holes, compatible with M4-standard kits such as Lego and Makeblock.
Specifications
| PCBsize | 38.0mmX24.0mmX1.6mm |
| Workingvoltage | 3.3or5VDC |
| Operatingvoltage | 3.3or5VDC |
| Compatibleinterfaces | 2.543-pininterfaceand4-pinGroveinterface (1) |
Note 1： S for digital output port, N for not used pin, V and G for voltage at the common collector and ground respectively. When there is no operation, digital output is VDD; when the button is pressed down, the digital output is 0V.
Electrical Characteristics
| Electrical characteristics | Min. | Typical | Max. | Unit |
| Supply voltage | 2 | 3 | 5.5 | VDC |
| Working current（VCC=5V） | - | 18 | - | uA |
| Digital output voltage（VCC=5V） | 0 | - | 5 | V |
Hardware
