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X9C103S 數字電位器模塊10K 100階數字電位器電路
原始價格：NT$100。NT$85目前價格：NT$85。 (未稅)
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描述
描述
X9C103S 數字電位器模塊10K 100階數字電位器電路
1）寬電壓（3V-5V）供電。晶片是X9C103S；PCB板尺寸：2.7*1.3CM
2）10K滿量程電位器。
3）電位器中間抽頭在0-10k間滑動共100級（電位器滑動端典型阻抗40歐）
4）數字電位器VL和VH端口分別對應滑動變阻器的低端和高端，允許輸入電壓範圍-5V到+5V。
5）數字電位器模塊附帶測試程序，程序代碼為C語言代碼，分模塊編寫。代碼包括：主函數、顯示子函數、按鍵子函數以及各模塊的頭文件，可以採用KEIL4打開源代碼經行測試和學習。
線上教學與範例
Digital Potentiometer Module – X9C103S
This is DC 3-5V X9C103S Digital Potentiometer Board Module for Arduino. The X9C103 are digitally controlled (XDCP) potentiometers. Digital Potentiometer consists of a resistor array, wiper switches, a control section, and non-volatile memory. The wiper position is controlled by a three-wire interface. The potentiometer is implemented by a resistor array composed of 99 resistive elements and a wiper switching network. Between each element and at either end are tap points accessible to the wiper terminal.
Features
- Digitally controlled potentiometer
- Consists of a resistor array, wiper switches, a control section, and non-volatile memory
- Wiper position is controlled by a three-wire interface
- Contains resistor array composed of 99 resistive elements and a wiper switching network to achieve variable resistance
- Between each element and at either end are tap points accessible to the wiper terminal
- Position of the wiper element is controlled by the CS, U/D, and INC inputs
- Position of the wiper can be stored in non-volatile memory and then be recalled upon a subsequent power-up operation
- Can be used as a three-terminal potentiometer or as a two-terminal variable resistor
- VL and VH digital potentiometer sliding rheostat port corresponding to the low-end and high-end, allowing the input voltage range -5V to + 5V
Specifications
- Operating Voltage: 3V – 5VDC
- Chipset: X9C103S
- Board Dimensions: 27mm x 13mm
- Center Tap Resistance Range: 0 to 10K Ohm
- Impedance: 40 Ohm
Package included
- 1 x X9C103S Digital Potentiometer Module
Pins
- Output VH, RW, VL
Potentiometer outputs, maximum voltage via potentiometer 10V, current 8mA - Input U / D: UP / DOWN
Depending on the status of this input, the slider of the resistor moves up or down - Input INC: INCREMENT
Control of the slider, when the input changes state from 1 to 0, the slider of the potentiometer makes one step, the principle of operation as in a hardware interrupt - Input CS: DEVICE SELECT,
Select the device, so that the chip starts accepting commands, you need to submit a logical 0
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#define UD 2 // OUTPUT #define INC 3 #define CS 4 void up(){ digitalWrite(UD, HIGH); digitalWrite(INC, HIGH); digitalWrite(CS, LOW); // turn on the microcircuit delayMicroseconds(1); digitalWrite(INC, LOW); delayMicroseconds(1); digitalWrite(INC, HIGH); delayMicroseconds(1); ///digitalWrite(INC, LOW); // in this case the position of the slider is not written digitalWrite(CS, HIGH); // turn off the chip and write the position in the EEPROM } void down(){ digitalWrite(UD, LOW); digitalWrite(INC, HIGH); digitalWrite(CS, LOW); delayMicroseconds(1); digitalWrite(INC, LOW); delayMicroseconds(1); digitalWrite(INC, HIGH); delayMicroseconds(1); digitalWrite(CS, HIGH); } void setup() { Serial.begin(9600); pinMode(INC, OUTPUT); pinMode(UD, OUTPUT); pinMode(CS, OUTPUT); digitalWrite(CS, HIGH); // turn off the microcircuit } void loop() { if (Serial.available()) if (Serial.read() == '0'){ down(); Serial.print("-1"); } else { up(); Serial.print("+1"); } } } |
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