0 個商品查看購物車
-6%
16路 TTP229 電容式觸摸開關 數位觸摸感測器模組
原始價格：NT$80。NT$75目前價格：NT$75。 (未稅)
- 描述
- 評價 (0)
描述
描述
16路 TTP229 電容式觸摸開關 數位觸摸感測器模組
1、板載TTP229電容式16鍵觸摸感應IC
2、板載電源指示燈
3、工作電壓：2.4V-5.5V
4、模組可以設置輸出模式、鍵輸出模式、長輸出時間和快速/低功耗選擇
5、PCB板子尺寸：49.3(mm)x64.5(mm)
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 |
/**Operating voltage：2.4V~5.5V Built-in regulator Stand-by current At 3V, and sleep mode slow sampling rate 8Hz： => Typical 2.5uA for 16 input keys => Typical 2.0uA for 8 input keys 8 Key or 16 key modes Separate outputs to 8 keys in 8 key mode 2 wires serial output interface for both 16 key and 8 key mode Outputs can be set to CMOS/OD/OC with active high/low 2 Wires serial interface can select active high or low by option Optional Multi-key or single-key Provides two kinds of sampling rate: slow sampling rate 8Hz and fast sampling rate 64Hz at sleep mode Optional maximum key-on time about 80sec Auto calibration at power up (keypad must not be touched for 0.5 seconds after power up) Auto calibration for changes in environment 1.....VCC (2.4 - 5.5V) 2.....GND 3.....SCL (serial clock in) 4.....SDO (serial data out) 5.....OUT 1 (key 1 state) 6.....OUT 2 (key 2 state) 7.....OUT 3 (key 3 state) 8.....OUT 4 (key 4 state) 9.....OUT 5 (key 5 state) 10...OUT 6 (key 6 state) 11...OUT 7 (key 7 state) 12...OUT 8 (key 8 state) * Contents - Connect VCC ----- 5V GND ----- GND SCL -----> D2 SDO -----> D3 **/ #define pulse 2 #define data 3 int old = 0; void setup() { Serial.begin(9600); pinMode(pulse, OUTPUT); pinMode(data, INPUT); } void loop() { int Key = getkey(); if (Key!=0&Key!=old) { Serial.print("PUSH--->"); Serial.println(Key); } old = Key; } byte getkey(void) { byte cnt; byte num = 0; for(cnt = 1; cnt < 17; cnt++) { digitalWrite(pulse, LOW); if (digitalRead(data) == 0) num = cnt; digitalWrite(pulse, HIGH); } return num; } |
TTP229 16 Channel Digital Capacitive Switch Touch Sensor Module Compatible for Arduino
- 1. 16-key board TTP229 capacitive touch sensor IC.
- 2. Onboard power indicator.
- 3. The module can be set to output mode, the key output mode, the longest time and fast output / low power options .
- 4. Working voltage: 2.4V-5.5V.
- 5. High quality,durable and have along life.
評價 (0)
搶先評價 “16路 TTP229 電容式觸摸開關 數位觸摸感測器模組”
你必須登入才能發表評論。
商品評價
目前沒有評價。