Feature: *3.3V or 5.0V DC power supply. *MCU interface: SPI. *Main ADC chip: TM7705 (AD7705 chip is fully compatible) *LM285-2.5 external reference voltage. Part peers using low-end domestic TL-431 is not a number as a reference, temperature stability and accuracy of the level difference. Please sights. *The input circuit with a divided resistor and RC filter, enabling customers to change their own gain range. *Chip programmable gain amplifier with a gain range: 1-128 times. *Chip buffer amplifier input with direct connection Sensor.

ADC Bit rate: 16 Bit. Interface Type: I2C. Channels: 4 Channel AN0 AN1 AN2 AN3 or 2 differential inputs. Input voltage: 2.0-5.5v. Channel input voltage :0-VDD. Continuous Mode: Only 150μA. Single-Shot Mode: Auto Shut-Down. PROGRAMMABLE DATA RATE:8sps-860sps. Input range programmed control, 7 types input ranges: -0.256V ~ 0.256V, -0.512V ~ 0.512V, -1.024V ~ 1.024V, -2.048V ~ 2.048V, -4.096V ~ 4.096 V, -6.144V ~ 6.144V. I2C 7-bit addresses between 0x48-0x4B. Size:18mm*28mm. Applications -Portable instrumentation. -Consumer goods. -Battery monitoring. -Temperature measurement. -Factory automation and process controls.

Multi function shield Features -4 digit 7-segment LED display module driven by two serial 74HC595’s. -4 LED’s. -10K potentiometer. -3 x push buttons. -Piezo buzzer. -DS18B20 temperature sensor interface (not included). -Infrared receiver interface. -Serial interface header for connection to serial modules.

1, AO, analog output, real-time output voltage signal of the microphone 2, DO, when the sound intensity reaches a certain threshold, the output signal [high and low threshold - Sensitivity adjustment by potentiometer] Module features: 1, there is mounting screw holes of 3mm. 2, using the 5v DC power supply. 3, the analog output. 4, there is a threshold level output flip. 5, High sensitivity microphone, high sensitivity. 6, a power indicator light. 7, the comparator output indicator lamp.

'-The lamp brightness can be adjusted by requirement,it is very to operate. -It can touch in medium protection,such glass,acrylic,plastic,ceramics and so on,which is very safe. -Wide application of voltage range,you can choose arbitrarily between 2.4V to 4.5V. -Anti power and phone interference,the EFT can reach above /-2KV;the touch response sensitivity and reliability will not affected by the close distance or multi-angle mobile phone interference. -Install: Needn’t to touch copper foil directly,the dimming can be processed across acrylic glass(above 3mm) or plastic. -Application:It can control LED module,light and so on.It is available for indoor LED,lighting lamp,DIY automotive lights dimming refit. -Function:Single touch,using the principle of capacitance touch .-The default function is switch,dimming,with brightness memories LED touch dimming.It will light slowly when turn on the lights,and become dark slowly when turn off,which effectively avoid the stimulation to eyes. -Dimming mode:Non-polar PWM dimming. -Wiring method:PCB board(VCC,GND) is power input,(LED , LED-) is connected with the LED lamps of positive and negative level (fingerprint) touch area, also can wire to lead out (the wiring should not be too long), copper skin area should be 2x3cm. With copper foil copper foil board module will side to the shell side.