Reviews Pedestrian Signal Module

ICC/Intervox MEO-627PN-02-643, Condenser Microphone 6.0 X 2.7

  • DEPENDABLE TO USE: The Mic sensor sound module is professional manufacturing, voice detection module has high performance, strong reliability, making sure safety use..
  • MAIN FUNCTION: This microphone sound detection module can detect sound strength of the environment, with high accuracy, great for professional usage..
  • ANALOG OUTPUT: The microphone sensor sound module supports analog voltage signal output, the signal amplitude is VCC/2, stable to use..
  • ADJUSATBLE GAIN: The mic sensor voice module has high sensitivity, built in amplifier circuit, and the gain can be adjusted as needed..
  • AD COVERSION: The microphone voice detection module can obtain the voltage signal of sound intensity through AD conversion..
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2pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino Uno R3 Mega 2560 Nano Raspberry Pi 3 Smart Robotics Projects

  • HC-SR04 Ultrasonic Sensor Distance Module:using IO trigger for at least 10us high level signal..
  • The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back..
  • If the signal back,through high level,time of high output IO duration is the time from sending ultrasonic to returning.Test distance = (high level time velocity of sound (340M/S)/2..
  • Resolution:0.3 cm,Module precision:blind spots (2cm)-SUPER CLOSE..
  • The module performance is stable,measure distance accurately.SRF05,SRF02 ultrasonic ranging module comparable.This module is compatible with GH-311 anti-theft module..
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Analog Voltage to PWM Signal Converter, 0-5V/0-10V Analog Input Voltage to 0-100% PWM Signal 2KHZ-20KHZ Converter Module,for PWM Motor Speed Control Interface Circuit Activity

  • Voltage to PWM Signal Converter Module: This module can convert 0-5V or 0-10V analog input voltage into 0-100% PWM signal..
  • Wide Application: This module is widely used for PWM motor speed control interface circuit, instrumentation AD interface conversion, and other applications that need convert voltage to PWM signal..
  • PWM Signal Frequency Range: The PWM signal frequency range is 2KHZ-20KHZ, maximum is 20KHZ, default minimum is 2KHZ,Hyuduo is committed to providing customers with high-quality products and thoughtful service..
  • Setable Output Frequency: The default function of this module is converting 0-10V into 0-100% 2KHZ PWM signal, but the output frequency can be set by adjusting potentiometer as needed,stable and reliable performance, practical, easy to operate and use, has a long service life..
  • Two Kinds of PWM Signal: There are two kinds of PWM signal, PNP-PWM output and NPN-PWM output. The PNP-PWM output is only 5V level, NPN-PWM output is 5V and 24V level,If you have any problem,please contact us, we will strive to provide you with satisfactory service!.
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PC Interface Controller

  • 【One-year after-sale warranty】The PWM to voltage module converts PWM digital signals to 0 to 10V analog signals. It can be used to switch the signal interface of PLC or other industrial control board. Adjust the output voltage by adjusting the PWM duty cycle. The module is small in size and easy to apply in different places.003cbr003e.
  • Using MCU embedded technology. Easy to operate, can be fine-tuned by potentiometer.003cbr003e.
  • Select the PWM signal input level range by short circuit. The module is small, easy to carry and easy to use.003cbr003e.
  • (current greater than 100mA)，PWM signal receiving frequency range: 1KHZ-3KHZ.
  • When power on for the first time, it is best to do a calibration and debugging: find a signal with a 50% duty cycle and connect it to PWM and GND. Jumper caps set the corresponding voltage range. When the frequency is 1KHZ-3KHZ, use a multimeter to measure the two ports of VOUT and GND. At this time, the meter displays about 5V. Adjust the potentiometer on the board so that the multimeter displays 5.00v.003cbr003e.
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DollaTek 5V ESP8266 Four Channel WiFi Relay IOT Smart Home Cellphone APP Remote Control

  • On board high quality MCU and ESP-01WIFI module Two working mode : Mode 1:cellphone carry on wifi module directly Mode 2:cellphone and wifi module carry on router together Additional function :work as USB module when disconnect ESP-01 module.
  • Transmission distance: (1) the open environment, the mobile phone when carrying on the WIFI module maximum transmission distance of 100 m.
  • (2), when the WiFI module and cell phone carrying on the router at the same time the signal transmission distance depends on router signal.
  • Use the Smartconfig technology to complete the configuration of the account and password of the esp-01 WIFI module on the mobile APP. The configured account and password will be memorized after power off.
  • The board contains 5V,10A/250V AC 10A/30V DC relay, which can continuously absorb 100,000 times, with the protection of diode current and short response time..
  • With mode option and working statue LED indicator.With 4 isolator and strong anti interference ability.Reserved UART debug interface and MCU download port for program.
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NOYITO Voltage to Current Module 0-10V to 0-20mA

  • NOYITO Voltage to Current module, 0-2.5V ,0-3.3V,0-5V,0-10V,0-15V,0-24V voltage signal conversion to 0-20mA or 4-20mA current signal output, by adjusting the voltage to adjust the size of the current. Can be used to generate the signal source, valve adjustment, inverter control, PLC debugging, instrumentation test, LED test, analog transmitter.003cbr003e.
  • Implement the industry standard voltage (0-2.5V ,0-3.3V,0-5V,0-10V,0-15V,0-24V) into an industry standard current (0-20mA, 4-20mA)., linear output, the output signal can be directly connected to the AD converter, with the AD function with the microcontroller connection.003cbr003e.
  • Using single-chip embedded technology. The module is small and easy to use in different places.003cbr003e.
  • Easy to use, can be fine-tuned by potentiometer.003cbr003e.
  • Module working voltage: DC12-24V . 【Please read the product pictures on the left side of the page for the wiring diagram of the product.】003cbr003e.
  • 【Manufacturer's One-year After-sale Warranty】.
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Taidacent Low Concentration Qualitative Detection MQ131 Ozone Sensor Module O3 Air Quality Monitoring

  • Mainly used for qualitative detection, suitable for home and environmental gas detection equipment, ozone gas detection, gas sensor test concentration....
  • The module has level signal output and alarm signal indicator.
  • The module is with analog signal output, voltage range: 0-5V.
  • The level signal output is effective at low level, which can drive PNP transistors and can also be connected to the IO port of the microcontroller.
  • The analog output voltage increases with the increase of ozone concentration, the higher the concentration, the higher the voltage.
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DIYmall 6M GPS Module with EEPROM for MWC/AeroQuad with Antenna for Arduino Flight Control Aircraft

  • When you test the GPS module, pls kindly note that you need test it in outdoor wide plain place, not indoor..
  • The 6M GPS module with ceramic destined antenna, super signal,can be quickly positioned..
  • The 6M GPS module uses serial comms to the host. It is setup to use 9600baud by default..
  • LED signal indicator,With data backup battery..
  • EEPROM power down to save the configuration parameters data..
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E Scooter Turn Signal,Scooter Turn Signal/Blinker/Tail Light with Remote Control Compatible with XIAOMI M365/Pro2/1S Series Electric Scooter Turn Signal Adjustable Direction Rechargeable Accessories

  • 【Wireless remote control High sound horn】This scooter turn signal uses wireless remote control, easy to operate, the horn will sound when turning, no need to worry about the vehicle behind, you can also adjust the angle to prompt the vehicle behind the pedestrian..
  • 【Highly waterproof No fear of rain】The turn signals are designed to be waterproof for life, with high brightness You can travel safely in the rain and prevent traffic accidents..
  • 【Stronger and easier installation】Our scooter turn signals are mounted with screws, which are more solid than other and other bundled installations, and will not fall off due to shaking during the ride, and are easy to install..
  • 【Installation instructions】First turn on the turn signal button, then press and hold the turn signal switch and the remote control switch at the same time for three seconds to complete the pairing..
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Isolation Amplifiers Isolated Modulator (5 pieces)

  • ➤【DC12-32V】- This isolation module need two complete independent DC12-32V power supply..
  • ➤【Main function】- Main function is input 0-10V analog voltage signal,after isolation, output 0-10V analog voltage signal..
  • ➤【Scope of Application】- Used to isolate high voltage or strong interference voltage or current (voltage) signal then transferred to PLC or controller MCU, isolating controlling end and controlled end, to assure stability and anti-interference ability of system..
  • ➤【Use】- It will has better performance if install this module and controller in a metal box and box is grounded..
  • ➤【Note】- The potentiometer is used to amend corresponding relation of output voltage. Output voltage can be fine adjusted and calibrated, normally it has already been calibrated..
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4-20mA Generator, DROK Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing

  • AMP & VOLT DUAL SIGNAL GENERATOR: Multifunctional DROK signal generator kit is able to generate ampere & voltage by one module, which generate 0/4 – 20mA current signal and 0-10V voltage signal just by rotating a multi-cycle precise potentiometer, simple and handy..
  • CLEAR LED DISPLAY: Our 4-20ma signal generator has bright and clear 3-digit LED digital display screen, which can be used to monitor the output current and voltage. You just need to push the switch below the monitor easy to switch the display..
  • AMP & VOLT DISPLAY CALIBRATION: There are current and voltage display calibrating potentiometer on the back of the module. If the display is accurate, you can calibrate the display value of current voltage by yourself..
  • WIDE APPLICATION: Our signal adapter can be used as signal generator, valve adjustment, inverter control, PLC debugging, panel debugging, LED testing, simulating the output of transmitter..
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Agatige Frequency to Voltage Converter Module, 0-10Khz to 0-10V F/V Digital to Analog Converter Conversion Module

  • FUNCTION: The frequency of the pulse signal 0HZ to 10KHZ converts into an analog voltage signal of 0-10V. Can be used to interface switching between the PLC and the frequency converter, or interface matching such as the matching of motion control card and inverter control..
  • FEATURES: Input pulse level is 5V 12V 24V, which can be directly entered without serial resistor. The input signal frequency must maintain more than 0.5 seconds..
  • ANTI-INTERFERENCE: Conversion module's signal inputs with optical coupling isolation, which can ensure that the capability of anti-interfence..
  • APPLICATION: Frequency to Voltage Converter Module Can be used for industrial control panel PLC or other signal interface switching.
  • MAJOR SPECIFICATIONS: Output current: 5MA,Voltage: 0-10V, Input pulse level: 5V 12V 24V, Frequency: 0 to 10KHZ..
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Logarithmic Amplifier Module ±0.4 DB RSSI Linearity with Limiting Output Can Be Used As FSK PSK Demodulation

  • AD8309 AMPLIFIER MODULE - AD8309 amplifier module, with limiting output, can be used as FSK PSK demodulation..
  • APPLICATION - Used for received signal strength indicator (RSSI) and phase detection in cellular base stations, radar and other radio transceiver applications..
  • 16mA current, 20 mV/dB slope, ‑95 dBm intercede, SMA female, 5MHZ‑500MHZ frequency range, 100 dB gain..
  • ±0.4 DB RSSI LINEARITY - ±0.4 dB RSSI linearity, RSSI scale does not change with temperature and feed voltage..
  • Logarithmic output of the logarithmic amplifier module is proportional to the logarithm of the input signal..
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