Receiving module

Buy 20pcs 315MHZ Wireless Transmitter Receiving Module ASK DC 9V-12V EV1527 Remote Control Switch Board for R706.58

Buy 20pcs 315MHZ Wireless Transmitter Receiving Module ASK DC 9V-12V EV1527 Remote for R785.17

Buy A239 bluetooth Receiver Stereo Audio Receiving Module USB Power Digital Amplifier Board For Small... for R299.00

Buy 3pcs 315MHZ Wireless Transmitter Receiving Module ASK DC 9V-12V EV1527 Remote Control Switch Board for R270.00

Buy 5pcs 315MHZ Wireless Transmitter Receiving Module ASK DC 9V-12V EV1527 Remote Control Switch Board for R332.00

Description: Infrared receiving module adopts 1838 infrared receiving head Light resistance, strong electromagnetic interference, built-in infrared dedicated IC, can work under 500 lux light intensity Widely used in: stereo, TV, video machine, disc machine, set-top boxes, digital photo frame, car stereo, remote control toys, satellite receivers, hard disk player, air conditioner, heater, electric fan, lighting and other home appliances Specification: Dimension: 6.4 x 7.4 x 5.1mm Receiving angle: 90 ° Working voltage: 2.7 ~ 5.5V Frequency: 37.9KHz Receiving range: 18m Package included: 20 x Infrared sensor receiver module

Description: Infrared receiving module adopts 1838 infrared receiving head Light resistance, strong electromagnetic interference, built-in infrared dedicated IC, can work under 500 lux light intensity Widely used in: stereo, TV, video machine, disc machine, set-top boxes, digital photo frame, car stereo, remote control toys, satellite receivers, hard disk player, air conditioner, heater, electric fan, lighting and other home appliances Specification: Dimension: 6.4 x 7.4 x 5.1mm Receiving angle: 90 ° Working voltage: 2.7 ~ 5.5V Frequency: 37.9KHz Receiving range: 18m Package included: 3 x Infrared sensor receiver module

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Electric Parameters: Module size: 12 x 19mm Module weight: 0.5g Operate frequency: 2.4GHz ~ 2.525GHz Supply voltage: 1.8 ~ 3.6V DC Measured distance: 120m Air rate: 250k ~ 2Mbps Communication Interface:SPI Receiving current:12.6mA Sending current: 16mA@20dBm Receiving length: Each data packet 1-32 byte Receiving sensitivity: -94dBm@250kbps Feature: AS01-ML01S is a 1mW, industrial-grade wireless transceiver integrated data transmission module with high-speed (maximum air speed is up to 2Mbps) and high stability working in 2.4GHz frequency. The module comes with high-performance PCB antenna, accurate impedance matching, using NORDIC original nRF24L01P RF chip, working in the 2.4GHz ~ 2.5GHz ISM band. The module has enough transmitting power, good spectrum characteristics, small harmonics, small crosstalk, small size. Package Included: 1 x Wireless Module 2.4GHz nRF24L01P RF Wireless Module For Networking With PCB Antenna SMD Transmitter And Receiver 2.4GHz nRF24L01P RF Wireless Module For Networking With PCB Antenna SMD Transmitter And Receiver 2.4GHz nRF24L01P RF Wireless Module For Networking With PCB Antenna SMD Transmitter And Receiver

Buy 315MHz Wireless Receiving Control Module Superheterodyne Remote Control Switch Module for R250.00

Product Features:                                                          1. The receiving sensitivity reaches: -107dBm 2. Operating frequency: 433.92 MHz 3. Power supply voltage input range: 3.3V-5.5V 4. Low power consumption, 5.0V @ 433.92MHz, 3.8-4.1mA,  Continuous data transfer rate to 2.4K (Manchester code) 5. Good selectivity and stray radiation suppression ability, easy to pass CE/Fcc international certification 6. Good local oscillator radiation suppression capability, multiple receiver modules can work together (ie, single-shot and multi-receipt) without interfering with each other, and the use together does not affect the receiving distance 7. Temperature range: -30-85 °C It can work normally even under harsh ambient temperature; 8. Size: 28 x 12.4 x 5 (mm) 9. Pin description: from left to right VT, D0, D1, D2, D3, VCC, GND 10. Output mode: jog, self-lock, interlock optional Code method:   Press and hold the learning button for 2 seconds, the indicator light is off, indicating that the learning state has been entered; release the learning button, press any button on the remote control, the indicator light flashes twice and then return to steady light to indicate successful learning.   Clearing method:   Press and hold the learning button for 8 seconds. When the indicator is off to return to steady light, the code has been cleared.   Application range:   (1) Car remote control door switch (RKE) (2) Remote control door opener (3) Wireless security alarm (4) Wireless doorbell (5) Wireless controller (6) Wireless data transmission Package includes: 1 x Module

Buy 10pcs DC3-9V 433MHZ Wireless Receiver Module High Power RF Wireless Transmission Receiving Board... for R489.00

Buy 10pcs DC3-9V 315MHZ Wireless Receiver Module High Power RF Wireless Transmission Receiving Board for R452.82

Description: Working Voltage: 5V(DC) Static Current: Less than 2mA. Output Signal: Electric frequency signal, high level 5V, low level 0V. Sensor Angle: Not more than 15 degrees. Detection Distance: 2cm-450cm. High Precision: Up to 0.3cm Input Trigger Signal: 10us TTL impulse Echo Signal: output TTL PWL signal Mode of connection: VCC trig(T) echo(R) GND Use method: Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules. Note: the module should be inserted in the circuit before been power, which avoid producing high level of misoperation;if not, then power again. Module Working Principle: 1. Adopt IO trigger through supplying at least 10us sequence of high level signal. 2. The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal. 3. If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving. Test distance =(high level time * sound velocity (340M/S) / 2. Note: This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the normal work of the module Package Included: 5 x HC-SR04 Ultrasonic Module Distance Measuring Transducer

Description: Working Voltage: 5V(DC) Static Current: Less than 2mA. Output Signal: Electric frequency signal, high level 5V, low level 0V. Sensor Angle: Not more than 15 degrees. Detection Distance: 2cm-450cm. High Precision: Up to 0.3cm Input Trigger Signal: 10us TTL impulse Echo Signal: output TTL PWL signal Mode of connection: VCC trig(T) echo(R) GND Use method: Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this module is used as a switching output when anti-theft module, and without the feet when ranging modules. Note: the module should be inserted in the circuit before been power, which avoid producing high level of misoperation;if not, then power again. Module Working Principle: 1. Adopt IO trigger through supplying at least 10us sequence of high level signal. 2. The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal. 3. If there is signals returning, through outputting high level and the time of high level continuing is the time of that from the ultrasonic transmitting to receiving. Test distance =(high level time * sound velocity (340M/S) / 2. Note: This module is not suitable to connect with electric power, if you need to connect this module with electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the normal work of the module Package Included: 1 x HC-SR04 Ultrasonic Module Distance Measuring Transducer

315MHz XD-FST XD-RF-5V Wireless Transmitter Receiver Module Not Super-heterodyne Transmitter Module Specification: Working voltage: 3V ~ 12V Working current: 20mA ~ 28mA Standby current: 0mA Working frequency: 315MHz Transmitter distance: >500m (sensitivity can be above -103dBm if in wide field) Output power: 16dBm (40mW) Transmitter rate: Modulation mode: OOK (AM) Working temperature: -10°C ~ +70°C Size: 19 x 19 x 8mm Feature: Stable performance Wider range of working voltage Pins: PIN1 ATAD: data input PIN2 VCC: power + PIN3 GND: power - Application: Wireless calling system, burglar alarm, wireless data transmission, automated data acquisition system Receiver Module (5V super-regeneration) Specification: Working voltage: DC 5V Working current: 4mA Modulation mode: OOK (AM) Working temperature: -10°C ~ +70°C Receiving sensitivity: -110dB Working frequency: 315MHz Size: 30 x 14 x 7mm Feature: Using LC oscillating circuit, include amplification Output data signal is TTL level Connect to decoder directly Pins: PIN1 ANT: antenna PIN2 VCC: power + PIN3/4 DATA: data output PIN5 GND: power - Application: Wireless remote control switch, remote control socket, data transmission, remote control toys, anti-theft alarm host Note: The antenna has large impact on reception of the module, the best antenna wavelength is 1/4, and generally use 50Ohm single wire, the antenna length of 315M one is about 23cm. Also the position of the antenna affect the reception of the module, keep the antenna stretched and away from the shield, high pressure, and interference source as far as possible. Package included: 1 x 315MHz RF Wireless Receiver module 1 x 315MHz RF Wireless Transmitter module

Description Overview This sensor module have great adaptive capability of the ambient light, having a pair of infrared transmitter and the receiver tube, the infrared emitting tube to emit a certain frequency, encounters an obstacle detection direction (reflecting surface), infrared reflected back to the receiver tube receiving, after a comparator circuit processing, the green LED lights up, while the signal output will output digital signal (a low-level signal), through the potentiometer knob to adjust the detection distance, the effective distance range 2 ~ 80cm working voltage of 3.3V-5V. The detection range of the sensor can be adjusted by the potentiometer, with little interference, easy to assemble, easy to use features, can be widely used robot obstacle avoidance, obstacle avoidance car assembly line count and black-and-white line tracking and many other occasions. Features When the module detects obstacles in front of the signal, the circuit board green indicator light level, while the OUT port continuous output low-level signals, the module detects a distance of 2 ~ 80cm, detection angle 35 °, the detection distance can be potential adjustment with adjustment potentiometer clockwise, the increase in detection distance; counterclockwise adjustment potentiometer, the detection distance decreased. The sensor active infrared reflection detection, target reflectivity and shape of the detection distance of the key. The black minimum detection range, white maximum; small area object distance is small, a large area from the large. The sensor module output port OUT can be directly connected with the microcontroller IO port can also be driven directly to a 5V relay; Connection: VCC-VCC; GND-GND; OUT-IO The comparator using LM393, stable; 3-5V DC power supply module can be used. When the power is turned on, the red power LED is lit; With the screw holes of 3mm, easy to install; Board size: 3.1x1.5cm Each module in the delivery has threshold comparator voltage adjustable via potentiometer, special circumstances, please do not adjust the potentiometer. Specifications Interface(3-wire) VCC external 3.3V-5V Voltage (can be directly connected with the a 5V microcontroller and 3.3V microcontroller) GND external GND OUT board digital output interface (0 and 1) LEDs: Power Indicator, Switch Indictor More Products View More Products

Description: 232 level output, 9600, 1HZ output, standard NMEA-0183 protocol output. Parameter Description Chip characteristics Chip U-blox U7 Receiving mode GPS, QZSS, WAAS, SBAS, EGNOS, MSAS Frequency GPSL1, SBAS L1 Channel 56 search channels Sensitivity Track -162dBm Recapture -160dBm Cold start -148dBm Precision Horizontal accuracy 2.0 m CEP 2D RMS SBAS assist (open space) Speed accuracy 0.1m/s 95% (SA off) Time accuracy 1us Start Time Cold start 29s Warm start 25s Hot Start 1s Output Data Baud rate 4800bps-921600bps,default 9600bps Output level TTL or RS232, default RS-232 level Output protocol Default NMEA-0183 protocol Standard GNSS 1Hz-10Hz, default 1Hz Work limit Height 50,000m maximum Speed 515m/s maximum Gravity acceleration 4g maximum Power consumption Voltage DC 3.6V-5.5V, typical: 5.0V Current Normal 45mA@5.0V Physical parameter Size 28mm*28mm*8mm Weight 11.5 grams Line length 2m Connector 1.25 pitch 6pin socket Surroundings Operating temperature -40 °C ~ +85 °C storage temperature -40°C ~ +85°C Indicator light TX light Power-on blue light flashes to indicate that there is data output. PPS light The light is not lit when it is not positioned. After 3D positioning, it starts to blink. The pins of the module are: 1.PPS, there is a second pulse output after positioning, the pulse period is 1s, and the high level lasts for 100ms, which is used for system synchronization. 2. GND, ground. 3.TX, the data output of the module. 4.RX, the data input of the module. 5.VCC, 3.6-5.5V, recommended 5.0V. 6. BOOT, please hang out during normal work. Package included: 1 x Beitian BS-280 232 GPS Receiver Module 1 x cable

Description: 232 level output, 9600, 1HZ output, standard NMEA-0183 protocol output. Parameter Description Chip characteristics Chip U-blox U7 Receiving mode GPS, QZSS, WAAS, SBAS, EGNOS, MSAS Frequency GPSL1, SBAS L1 Channel 56 search channels Sensitivity Track -162dBm Recapture -160dBm Cold start -148dBm Precision Horizontal accuracy 2.0 m CEP 2D RMS SBAS assist (open space) Speed accuracy 0.1m/s 95% (SA off) Time accuracy 1us Start Time Cold start 29s Warm start 25s Hot Start 1s Output Data Baud rate 4800bps-921600bps,default 9600bps Output level TTL or RS232, default RS-232 level Output protocol Default NMEA-0183 protocol Standard GNSS 1Hz-10Hz, default 1Hz Work limit Height 50,000m maximum Speed 515m/s maximum Gravity acceleration 4g maximum Power consumption Voltage DC 3.6V-5.5V, typical: 5.0V Current Normal 45mA@5.0V Physical parameter Size 28mm*28mm*8mm Weight 11.5 grams Line length 2m Connector 1.25 pitch 6pin socket Surroundings Operating temperature -40 °C ~ +85 °C storage temperature -40°C ~ +85°C Indicator light TX light Power-on blue light flashes to indicate that there is data output. PPS light The light is not lit when it is not positioned. After 3D positioning, it starts to blink. The pins of the module are: 1.PPS, there is a second pulse output after positioning, the pulse period is 1s, and the high level lasts for 100ms, which is used for system synchronization. 2. GND, ground. 3.TX, the data output of the module. 4.RX, the data input of the module. 5.VCC, 3.6-5.5V, recommended 5.0V. 6. BOOT, please hang out during normal work. Package included: 5 x Beitian BS-280 232 GPS Receiver Module 5 x cable

D escription: This HC-06 Bluetooth Transceiver Module can easily achieve serial wireless data transmission. Its operating frequency is among the most popular 2.4GHz ISM frequency band (i.e. Industrial, scientific and medical). It adopts Bluetooth 2.0+EDR standard. In Bluetooth 2.0, signal transmit time of different devices stands at a 0.5 seconds interval so that the workload of Bluetooth chip can be reduced substantially and more sleeping time can be saved for Bluetooth. This module is set with serial interface, which is easy to use and simplifies the overall design/development cycle.   Features: Bluetooth protocol: Bluetooth 2.0+ EDR standard USB protocol: USB v1.1/2.0 Operating frequency: 2.4GHz ISM frequency band Modulation mode: Gauss frequency Shift Keying Transmit power: ≤ 4dBm, second stage Sensitivity: ≤-84dBm at 0.1% Bit Error Rate  Transmission speed: 2.1Mbps(Max)/160 kbps(Asynchronous), 1Mbps/1Mbps(Synchronous)  Safety feature: Authentication and encryption  Supported configuration: Bluetooth serial port (major and minor)   Specification: Supply Voltage: +3.3 VDC 50mA Operating temperature: -20 to 55 ¿ Size: 36.5*16mm Weight: 4g   Pin Description: 'VCC: positive pole of the power source. GND: Ground. TXD: serial interface, transmitting terminal. RXD: serial interface, receiving terminal.   Package Includes: 1 x HC-06 Bluetooth Transceiver Module

Description: This product is for the current wireless charging various series of small electronic products, and power development and design is made with a small size, extremely easy to use, high efficiency, low cost features primarily for mobile electronics products such as: cell phones, game machine, fish tank, MP3, MP4, adult products, digital cameras, electric shavers, machine learning, medical supplies and other products of underwater applications; As a result of non-contact charging power supply, make the product completely sealed, waterproof and dustproof, increase the life of the product and easier to use. Module main parameters: Input voltage: 9 -12V Maximum load current: 1.1A The max output voltage and current of receive: 5V / 2A, 12V / 700mA Transmitting coil size: diameter 43mm, thickness 2.3mm Transmitter module size: 18mmx8.5mmx15mm Receiving coil size: diameter 43mm, thickness 1.2mm Receiver Module size: 10mmx25mmx3mm Receive the best distance: 3 - 6mm Package included: 1 x Transmitter 1 x Receiver

Product introduction: JDY-08 passthrough module is based on bluetooth 4.0 protocol standard, scope of work frequency of 2.4 GHZ, modulation method for GFSK, maximum transmitted power of 0 db, the largest launch distance of 80 meters, adopt TICC2541 chip design, support the user through the AT command to modify the device name, service UUID, transmission power, such as matching password instructions, convenient use and flexible. Function introduction: 1: WeChat pass-through (supports AirSync protocol, applies to WeChat H5 or factory server communication, including long packet data parsing and sending and receiving) 2: APP transmission (support Android and IOS data transmission) 3: iBeacon mode (support WeChat shake protocol and apple iBeacon protocol) 4: Sensor mode (temperature, humidity and many other sensor data acquisition applications) 5: host transmission mode (data transmission between application modules, communication between host and slave) 6: host observer mode (application sensor, indoor positioning) 7: PWM mode (used for motor speed regulation and LED light brightness adjustment) 8: IO mode (for mobile phone control relay or LED on/off) 9: indoor chamber location application (application of collecting iBeacon data to achieve range positioning) Technical parameters: 1: the communication rate is 3K Bytes/ second 2: 1024Bytes can be written in the serial port of APP transmission 3: the effective communication distance is 15 to 30 meters 4: support PWRC pin to control sleep 5: support IO port control disconnect Function description of two pins: DISC pin: for active disconnecting of bluetooth connection (default high level, low level disconnecting) PWRC pin: used to wake up sleep (default to sleep state). Use this pin to ground the AT command VCC pin: is the power pin of the module, and the power supply voltage ranges from 3.6V to 6V GND pin: power source ground TXD pin: serial port output pins RXD pin: serial input pins Package included: 10 x JDY-08 4.0 Bluetooth Module BLE CC2541 Airsync For IBeacon

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Feature: PCB size: 50 x 30mm (L x W) Operating voltage: 1.5V-9V Current: 3.3MA-29MA Operating frequency: FM band 85-115MHZ Receiving equipment: FM radio / mobile phone with FM radio function, etc. Audio Response: 20HZ-15KHZ RF power: -2dbm to 15dbm RF output impedance: 20ohm Second Harmonic: ≥-40db Transmission distance: 100M-1000M Component Position Quantity Resistance 330ohm R7 1 Resistance 1M R3 1 Resistance 100ohm R8 1 Resistance 10K R4, R5 2 Resistance 4.7K R1, R2 2 Resistance 47K R6, R9 2 Ceramic capacitor 102 C3, C4 2 Ceramic capacitor 15P C10, C14 2 Ceramic capacitor 47P C15, C16 2 Ceramic capacitor 30P C11, C12 2 Ceramic capacitor 104 C1, C2, C5, C6, C7 5 Ceramic capacitor 201P C13 1 Ceramic capacitor 24P C9 1 MIC MIC 1 LED LED 1 4T Hollow coil L1 1 9T Hollow coil L2 1 8T Hollow coil L3 1 5-pin audio seat J1 1 Ceramic adjustable capacitor C8 1 Adjustable resistance R10 1 Power seat J2 1 Triode 9014 Q1 1 Triode 9018 Q2, Q3 2 Package includes: 1 x FM Wireless Microphone Kit FM Wireless Microphone Kit FM Radio Transmitter Module Electronic Training Kit FM Wireless Microphone Kit FM Radio Transmitter Module Electronic Training Kit FM Wireless Microphone Kit FM Radio Transmitter Module Electronic Training Kit

KZ Bluetooth Cable Upgrade Module Wire for KZ-ZS3/ZS4/ZS5/ES6/ZSA Earphones,Holyfly DETAILS Product Details KZ Bluetooth Cable Wireless Upgrade Module Replacement Wire Cord for KZ-ZS3/ZS4/ZS5/ES6/ZSA Headphones Earphones Feature: 1. Qualcomm CSR8645 Bluetooth chip, has APTX patent technology. 2. Professional MEMS microphone has excellent noise elimination capability. 3. Bluetooth 4.1 matches the EDR Bluetooth enhancement rate, greatly improves the data of Bluetooth technology, makes Bluetooth faster transmission, more stable transmission, higher efficiency and lower power consumption. 4. ACC-LC advanced coding technology, compatible for Apple Mobile lossless transmission mode. 5. The AAC (Advanced Audio Coding) encoding format is better than MP3, the sound quality is better, the file is smaller, and the transmission is faster. 6. Industrial ceramic antenna, Bluetooth receiving sensitivity is better. 7. Built in 130mAh safety lithium battery, after full power, bring more than 8 hours of wireless listening, 100 hours long standby, bid farewell to frequent charging. 8. IPX5 class waterproof function, waterproof, sweat proof. 9. Earhook uses metal memory silk, can be adjusted according to their auricula. 10. Line control and battery symmetrical design bring balanced wear experience. Specification: Line length: 85cm+5cm/33.46+1.96'' Bluetooth specification: V4.1 Running time: about 8 hours Standby time: about 100 hours Charge time: about 2 hours Note: Please allow slight size differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understand. Package included: 1 x Bluetooth Upgrade Module Cable(Earphone NOT Included) 1 x User Manual Features Clear sound, structured sound, good soundproofing Bass drivers for clear audio and Accurate accurate response that together provide an unforgettable experience Advanced technology provides a total audio immersion. acoustic positioning precision enhance the sensitivity of the speaker unit, bringing you vivid sound field, sound clarity, shock feeling sound. Ideal for listening to music, webcasts, audiobooks, podcasts | Compatible with smartphones, mobiles, tablets. THE FINE PRINT This product is imported from the USA. We do not carry stock in South Africa. Warranties and guarantees are valid only in the USA. In order to obtain a warranty repair you will be required to ship your product to the USA at your cost. We can assist you in the event this happens. We use only the best couriers to deliver your products safely. Delivery takes approximately 2-3 weeks. Sometimes there are delays (hey - this is Africa) but we will always keep you informed along the way. We guarantee authenticity on every product sold. We guarantee delivery in perfect condition. We guarantee you will be happy with everything or we will give you a full refund. That's our promise to you. We have been in the import game for over 10 years. Buy with confidence. AMAZON

VK-162 Notebook Usb GPS Navigation Module Support Google Earth Description: VK-162, is a complete GPS receiver. Built-in satellite receiver antenna, satellite receiver core using the most advanced core UBLOX positioned to provide highly accurate positioning information, it is also able to meet the stringent requirements of industrial positioning and personal use as needed. Scope from the car navigation, security systems, map making and survey to agricultural uses. Built-in button-type battery for storing satellite data such as satellite signal status, location and time of the last previously used to increase the positioning speed boot time. Built-in WAAS / EGNOS demodulator without additional hardware can receive WAAS / EGNOS signals. Support NMEA0183 3.01 version of the output data format. Feature: Electrical properties of the interface: Wide voltage range: the main power supply is + 3 3 V ~ + 5 V Operating temperature: - 4 0 ??t o + 8 5 ??br /> C / A code, 1.023 MHz band receiving stream: L1 [575.42MHz] Receive Channel: 56CH Positioning performance Rate: Direction: Timing accuracy: 30ns Reference coordinate system: WGS-84 The maximum height of altitude: 50,000 m Maximum speed: 500 m / s Acceleration: Package included: 1 x VK-162 Notebook Usb GPS Navigation Module Support Google Earth

This module is easy to use. A control port sends a high level above 10US, so you can wait for the high level output at the receiving port. You can turn on the timer when there is an output. When this port goes low, you can read it. The value of the timer, at this time is the time of the distance measurement, in order to calculate the distance. Such continuous cycle measurement, that is, you can reach the value of your mobile measurement. Features: - Small size and easy to use; - Low voltage and low power consumption; - High measurement accuracy; - Strong anti-interference; - Integrated enclosed waterproof line probe for wet and harsh measurement applications. ParameterS: Working voltage: DC 5V Static working current: 5mA Working total current: 30mA Transmission frequency: 40KHz Maximum distance: 5M Blind area: 25cm Resolution: 0.5cm Angle: Working temperature: -10 to 70 °C Storage temperature: -20 to 80°C Size: 41x28.5mm Wire length: 2.5m Application: 1 horizontal ranging 2 obstacle avoidance, automatic control 3 objects are close, there is awareness 4 Traffic control 5 Security, industrial control 6 Artificial intelligence, teaching and research Basic working Principle: (1) Using IO port TRIG to trigger ranging, giving a high level signal of at least 10us; (2) The module automatically sends eight 40khz square waves to automatically detect whether there is a signal return; (3) There is a signal return, and a high level is output through the IO port ECHO, and the high level duration is the time from the transmission to the return of the ultrasonic wave. Test distance = (high time * sound speed (340M / S)) / 2 Package Included: 1 x Ranging Sensor

Specifications: Support wireless Bluetooth audio receiver audio conversion board, you can upgrade your product to become a wireless Bluetooth Bluetooth audio equipment, only with 3w*2 power amplifier(3.7-5v voltage) Features: - Version: the TOOTH 2.1+EDR BTLUE specification, compatible with Bluetooth 3 and the following version - Support L2CAP/A2DP (AVCTP/AVDTP/AVCRP), used to receive stereo audio signals, through the protocol can control the audio transmitter up and down the operation, to support the simple matching / automatic back to the function, support MP3 format decoding, -Supports power amplifier enable control - DAC 16bit output high quality audio output, high signal to noise ratio - Support low energy consumption mode mode sniff, power saving mode Bluetooth Operation Instructions: 1. Open mobile phone Bluetooth settings; enter the mobile phone Bluetooth search, Bluetooth device name (mobile phone display device name customers can specify), (Note: mobile phone brand: Android system, IOS system, Win system, Symbian system, open the MeeGo method system Bluetooth function is different, different, the pairing process) pairing process takes about 30 seconds. 2.The second use of the password is not used, the phone directly on the corresponding speaker of the Bluetooth device name, such as "BIuetooth" can be connected to success. (some mobile phone system will prompt the password, the password is: 0000). Bluetooth receiving distance of 10 meters -15 meters When the connection is successful, in the phone's music player interface, click on the favorite music player, the speaker will play out the beautiful sounds of music. Package Included: 3 x Mini Bluetooth Receiver Module With 4Ohm Speakers Power Amplifier

Features: 1. Used for DIY sound modification,can make your speaker and headphone upgrade to be high class Blutooth audio equipment with Wireless Bluetooth music receive 2. Support wireless Bluetooth audio receiving 3. Support USB and TF card play,support WMA/MP3/WAV decode 4. Support AUX input 5. With EQ sound effect function 6. Compatible for Bluetooth 3.0/4.0 and 4.1 version 7. Support HSP/HFP.Support Bluetooth hand-free call function 8. Support communication with Android APP through SPP protocol 9. Support L2CAP/A2DP(AVCTP/AVDTP/AVRCP) 10. Easy pairing, support automatically connect back, low power mode, sniff mode, stop mode 11. Size: 48mm x 60mm Package includes 1 x Wireless Bluetooth Amplifier Adapter

Description: Audio mode: 1. U disk TF card decoding playback (support FLAC, WAV, MP3, WMA format decode) 2. Bluetooth receiving playback Supply voltage: DC 8 - 26V (DC power supply) Current: 5A Amplifier chip: digital amplifier chip TPA3116 with heat sink, stereo, power 2X50W.(More than 24V 3A switching power supply is recommended, it can’t use the transformer to power supply) Additional features: FM radio function, it can use remote control to receive control (infrared) FM: needs to use the FM FM radio function. Please first weld a long conductor on the FM antenna pad. When the antenna is not good, the radio is not good enough to receive the radio, that is, the antenna is long and depends on the window point. FM use: first switch to the FM mode, and then press the PLAY key, as long as you automatically search the radio you will loose hands. After the search is finished automatically, the radio is switched on the next tune. Package included: 1 x HF183 Digital Bluetooth Amplifier Board 1 x Remote Control

Feature: PCB size: 50 x 30mm (L x W) Operating voltage: 1.5V-9V Current: 3.3MA-29MA Operating frequency: FM band 85-115MHZ Receiving equipment: FM radio / mobile phone with FM radio function, etc. Audio Response: 20HZ-15KHZ RF power: -2dbm to 15dbm RF output impedance: 20ohm Second Harmonic: ≥-40db Transmission distance: 100M-1000M Component Position Quantity Resistance 330ohm R7 1 Resistance 1M R3 1 Resistance 100ohm R8 1 Resistance 10K R4, R5 2 Resistance 4.7K R1, R2 2 Resistance 47K R6, R9 2 Ceramic capacitor 102 C3, C4 2 Ceramic capacitor 15P C10, C14 2 Ceramic capacitor 47P C15, C16 2 Ceramic capacitor 30P C11, C12 2 Ceramic capacitor 104 C1, C2, C5, C6, C7 5 Ceramic capacitor 201P C13 1 Ceramic capacitor 24P C9 1 MIC MIC 1 LED LED 1 4T Hollow coil L1 1 9T Hollow coil L2 1 8T Hollow coil L3 1 5-pin audio seat J1 1 Ceramic adjustable capacitor C8 1 Adjustable resistance R10 1 Power seat J2 1 Triode 9014 Q1 1 Triode 9018 Q2, Q3 2 Package includes: 1 x FM Wireless Microphone Kit

FAST AFFORDABLE COURIER SHIPPING TO SOUTH AFRICA Instructions: 1. Clear: Press and hold the learning button for about 3 seconds, the LED will go out, flash 3 times after a while, clear OK. 2, learning the code: press the learning button, the LED lights up, release the learning button, enter the learning mode, press any button of the remote control at this time, transmit the signal, when you see the LED on the receiving module flashes 3 times, that is Indicates that the learning pair code is OK. 3. The remote control after learning can be controlled. Specifications: Working Temperature: -25~75C Frequency band: +-0.2MHz ReceiveDistance: 20-100M (open space) Receive Sensitivity: -108dB Working Frequency: 433MHz(Others can be customized) Quiescent Current: Working Voltage: DC3.3~5V Working mode:Point move, self-locking, interlocking Pin: GND: groud or negative pole +V: DC3.3~5V input D0: Data output D1: Data output D2: Data output D3: Data output VT: Output Precautions: 1. Do not operate with power. Turn off the power and operate it. After the test is confirmed, the power is turned on. 2. When using wireless electronic products, care should be taken to avoid strong interference sources such as metal masks, large electronic devices, and electromagnetic fields to prevent the modules from working properly. 3. Do not use this electronic product abnormally. Abnormal use will reduce product performance and longevity. In severe cases, damage to the product will also pose a safety hazard. Package Included: 5 x RX480E-4 433MHz Wireless RF Receiver 5pcs Geekcreit RX480E-4 433MHz Wireless RF Receiver Learning Code Decoder Module 4 Channel Output 5pcs Geekcreit RX480E-4 433MHz Wireless RF Receiver Learning Code Decoder Module 4 Channel Output 5pcs Geekcreit RX480E-4 433MHz Wireless RF Receiver Learning Code Decoder Module 4 Channel Output