Top Pedestrian Signal Module Reviews

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.

Check Stock

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】.

Check Stock

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.

Check Stock

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..

Check Stock

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..

Check Stock

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..

Check Stock

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..

Check Stock

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..

Check Stock

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..

Check Stock

DORHEA 5PCS TM1637 0.56\ 4 Bits Digital LED Display Module with Clock Display 0.36 inch Common Anode Red Digital Tube Board with Cable for Arduino Raspberry Pi DIY Kits

The module is a 12 foot with a clock point four common anode tube (0.36 in.) display module driver IC is TM1637 driver IC TM1637, only two signal lines can make the MCU control 4 8 digital tube..
Display device is a total of 4 red LED word tube. Digital tube 8 grayscale adjustable. Control interface level can be 5V or 3.3V..
4-digit LED display module with LED brightness adjustable and clock point, can be used to display decimal, letters and so on, suitable for uses in induction cooker, micro-wave oven and small household electrical appliance..
Total 4 pins (GND, VCC, DIO, CLK), GND to ground, VCC for the power supply, DIO for the data input and output pins, CLK for the clock signal pin..
The Positioning holes in this LED Display Module 4 Bits has 4 M2 screws positioning hole diameter is 2.2mm and the positioning of the module is easy to install with easy to achieve the inter-module combination..

Check Stock

Logarithmic Amplifier Module ±0.4 DB RSSI Linearity ‑95 DBM Intercede, Sma Female Can Be Used As FSK PSK Demodulation

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

Check Stock

HiLetgo 5pcs Micro SD TF Card Adater Reader Module 6Pin SPI Interface Driver Module with chip Level Conversion for Arduino UNO R3 MEGA 2560 Due

The module (MicroSD Card Adapter) is a Micro SD card reader module for reading and writing through the file system and the SPI interface driver..
SCM system can be completed within a file MicroSD card .Support Micro SD Card, Micro SDHC card (high speed card)..
3.3V regulator circuit: LDO regulator output 3.3V for level conversion chip, Micro SD card supply..
Level conversion circuit: Micro SD card to signal the direction of converts 3.3V, MicroSD card interface to control the direction of the MISO signal....
Positioning holes: 4 M2 screws positioning holes with a diameter of 2.2mm, so the module is easy to install positioning, to achieve inter-module....

Check Stock

5pcs HC-SR04 Ultrasonic Sensor Distance Sensor with Ultrasonic Transmitter and Receiver Module Compatible with Ar-duino UNO MEGA2560 Nano Robot XBee ZigBee

Induction Angle: not more than 15 degrees:....
the module HC-SR04 works: (1) IO trigger ranging to at least 10us high signal.
(2) module automatically sends eight 40kHz square wave, automatically....
Panel wiring, VCC, trig 's (control side), the echo (receiving end), out (empty feet), GND.
Note: TRIP-pin internal pull-up 10K resistor, down TRIP microcontroller IO port pin, and then to a 10us pulse signal..
OUT pin for this module as the switch output pin when the anti-theft module, ranging modules do not use this foot!.

Check Stock