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RFiD keychain - 125kHz - 10szt.

The RFID identifier in the form of a keychain. Each chip has a unique code. The device works at a distance of 2 - 5 cm from the reader , the carrier frequency is 125 kHz....
4.9 (13)
Index: MOD-09413
Index: MOD-09413
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Regular price €3.90 Price €3.90

GSM antenna 2.5dB SMA male - 48mm

Antenna operating in the GSM frequency band, it has a male SMA connector. It operates at frequencies from 800 MHz to 1900 MHz. Power gain is 2.5 dB. The length is 48 mm and...
Index: AKS-10140
Index: AKS-10140
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Regular price €2.90 Price €2.90

Feather Huzzah ESP32 - WiFi module, Bluetooth GPIO - soldered connectors - Adafruit 3591

The wi-fi module and Bluetooth, based on the system ESP32. On board is 8 GPIO ports with support for I2C and SPI, analog input and a connector with a 3.7 V lipol battery. It...
Index: ADA-10874
Index: ADA-10874
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Regular price €29.90 Price €29.90

RFID chip - 125kHz 25mm

Small token -  RFID identifier in the form of pill with a diameter of 25 mm. Small size allows for sewing it into clothing or for closing in any case. The carrier frequency...
4.5 (2)
Index: DNG-10707
Index: DNG-10707
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Regular price €0.90 Price €0.90

RFID keychain S303B-BE - 13,56MHz - compatible with MF 1kB - blue - 10pcs

The  RFID  identifier in the form of a blue keychain. It operates at a frequency of 13.56 MHz at a speed of 106 kbps. Each chip has a unique code. The device works at a small...
5.0 (2)
Index: SSC-14852
Index: SSC-14852
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Regular price €4.90 Price €4.90

Ethernet network module ENC28J60 mini

A module that enables the connection of the microcontrollers and development kits , including the Arduino, with the Ethernet network via the SPI interface. The system in...
5.0 (5)
Index: MOD-01512
Index: MOD-01512
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Regular price €11.50 Price €11.50

Feather Huzzah ESP32 - WiFi module, Bluetooth GPIO - Adafruit 3405

The wi-fi module and Bluetooth, based on the system ESP32. On board is 8 GPIO ports with support for I2C and SPI, analog input and a connector with a 3.7 V lipol battery. It...
Index: ADA-10313
Index: ADA-10313
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Regular price €27.50 Price €24.75
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U.FL WiFi antenna - 25cm

WiFi antenna with U. FL connector operating at a frequency of 2.4 GHz. The length is 25 cm.
4.8 (5)
Index: AKS-10150
Index: AKS-10150
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Regular price €1.90 Price €1.90

WiFi antenna 3dB SMA male - self-adhesive

This 3 dB WiFi antenna with SMA male connector, operates at 2.4 GHz. The energetic gain is 3 dB. It has a layer of adhesive tape. Dimensions: 116 x 22 mm . The cable...
4.8 (5)
Index: AKS-10147
Index: AKS-10147
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Regular price €4.00 Price €4.00

WiFi antenna 3dB SMA male - 52mm

Wi-fi 3 dB antenna with the SMA male connector operating at the 2.4 GHz frequency. The antenna length is 52 mm and a diameter is 10 mm.
5.0 (1)
Index: AKS-10146
Index: AKS-10146
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Regular price €2.50 Price €2.50

WiFi antenna 10dB RP-SMA female - 29cm

WiFi 10dB antenna with a female RP-SMA connector, it works with 2.4 GHz frequency. The length is 290 mm.
5.0 (6)
Index: AKS-10144
Index: AKS-10144
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Regular price €5.50 Price €5.50

GSM antenna 18x22mm - self-adhesive - 15cm

Antenna operating in the GSM band, it has U. FL connector. It operates at frequencies from 800 MHz to 1900 MHz. It has a layer of self-adhesive tape. Dimensions: 18 x 22 mm....
5.0 (2)
Index: AKS-10143
Index: AKS-10143
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Regular price €1.50 Price €1.50

GPS antenna with SMA connector, magnetic mount 3V-5V

GPS antenna with SMA connector, attached on the magnets. Supply voltage from 3 V to 5 V.
4.6 (3)
Index: AKS-10126
Index: AKS-10126
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Regular price €6.90 Price €6.90

Relay module 4 channels + Bluetooth 4.0 BLE - 10A / 250V contacts - 5V coil

The module has four SRD-05 relays with a coil powered with the voltage of 5 V, it was also equipped with a module Bluetooth 4.0 BLE allowing ot control the devices via Android...
4.0 (1)
Index: GRL-10909
Index: GRL-10909
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Regular price €38.90 Price €15.56
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XA1110 - MediaTek MT3333 10Hz GPS module - I2C / UART - SparkFun GPS-14414

GPS module based on MediaTek MT3333 chipset. It communicates via I2C or UART interface. The update frequency is 10 Hz, the sensitivity is165 dBm. The applied system can track...
Index: SPF-10104
Index: SPF-10104
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Regular price €52.50 Price €47.25
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WiFi + Bluetooth system BLE ESP-WROOM-32 - SMD - 2.7V-3.6V

The system from the ESP32 family for communication in a wi-fi network in the 2.4 GHz band and the Bluetooth BLE / v4.2 standard. It is powered with the voltage from 2.7 V to...
5.0 (2)
Index: DNG-10018
Index: DNG-10018
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Regular price €8.90 Price €8.90

iButton code key 1-wire S0990-BK - compatible with DS1990A-F5 - black holder - 10pcs

The iButton code key in the form of a lozenge placed on a black holder. Each chip has a unique code. The device is detectable from a short distance from the reader. It...
5.0 (1)
Index: SSC-14854
Index: SSC-14854
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Regular price €14.50 Price €14.50

ST25DV16K - RFID tag with EEPROM 16kb non-volatile I2C memory STEMMA QT/Qwiic - Adafruit 4701

RFID tag with 16 kb EEPROM memory from Adafruit with STEMMA QT / Qwiic connector. It works with mobile phones and thanks to the I2C interface it can be reprogrammed to...
Index: ADA-17704
Index: ADA-17704
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Regular price €5.50 Price €5.50

GPS USB/TTL module for Raspberry

GPS module based on the L80-R-39 system. It supports 66 search channels and 22 tracking channels. It is working with the voltage of 3.3 V - 5 V. The module has the USB and the...
5.0 (1)
Index: DFR-09383
Index: DFR-09383
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Regular price €40.90 Price €40.90

DFRobot FireBeetle ESP32 IOT wi-fi, Bluetooth

The FireBeetle microcontroller is compatible with the Arduino Uno. It integrates the Du al-Core ESP-WROOM-32 module  which supports communication in the MCU, wi-fi and...
5.0 (15)
Index: DFR-09153
Index: DFR-09153
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Regular price €12.90 Price €12.90

Grove - LoRa Radio 433MHz

433 MHz RFM95 radio module of the long range (Long Range: LoRa). It allows for data transmission at the distance of up to 500 m using a piece of wire as an antenna. It a lso...
Index: SEE-09086
Index: SEE-09086
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Regular price €16.90 Price €16.90

WiFi ESP-32s ESP8266 Adapter

Adapter facilitates the installation of the ESP-32S module on the breadboard. The set includes the goldpin connectors, 2.54 mm pitch for self-soldering and two buttons.
Index: MOD-08894
Index: MOD-08894
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Regular price €1.00 Price €1.00

Flirc USB v2 - USB controller for remote control

A small USB controller that allows you to control your devices using any IR remote control, after previous pairing. Works with many devices, such as: Raspberry Pi, computer,...
4.9 (11)
Index: PIH-15205
Index: PIH-15205
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Regular price €35.00 Price €35.00

Grove - LoRa Radio module 868MHz

868 MHz RFM95 long-range radio module (Long Range: LoRa). Allows data transmission at distances up to approx. 800 m , using the cable as an antenna. The module is equipped...
Index: SEE-15262
Index: SEE-15262
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Regular price €19.50 Price €19.50

Wired or wireless?

There is no simple answer to this question, because in reality you need both. Usually, what affects the type of a connection are three main factors: range, bandwidth and environmental conditions. Daily necessities such as your smartphone, tablet or laptop use the Wi-Fi wireless network. On the other hand, it is better to use a wired connection when it comes to desktops, servers, printers, media streams, connected TVs and TV set-top boxes. Both Wi-Fi and wired connections have advantages and disadvantages. The general rule is quite simple - for mobile devices it is better to use wireless connectivity for obvious reasons. Cable would restrict mobility for devices such as drones, robots or smartphones. There are of course exceptions, such as exploratory and underwater robots, where the environment imposes the use of a wired communication. A wired connection also works best if the devices operate at a small range or are generally installed in a fixed location. Then the use of a cable is a much cheaper and simpler solution. For this purpose, mainly serial links are used: RS232, RS485, RS422 or USB.

What is wired connection?

Wired connection is the transmission of data at a distance from point-to-point using a communication channel, such as copper cables, optical fibers or storage media. The data is sent as an electromagnetic signal, most commonly electrical voltage. Telephone networks, cable TV, Ethernet cable connection are the most important examples of wired connection. Analogue transmission is a method of transmitting voice, data, image, signal, or video information over a continuous signal, the amplitude, phase, or other methods. Historically, data has been trafficked non-electronically e.g. visually, acoustically and mechanically. The first applications of electromagnetic transmission were telegraph (1809) and telephone (1906), which operate on digital signals. Computers are wired to peripherals via parallel ports and serial ports such as RS-232 (1969), Firewire (1995) and USB (1996). In our Botland store’s offer you can find all modules supporting these standards. The products come from trusted suppliers and have the best value for money. Check it out yourself!

What is wireless transmission?

Wireless transmission is a data transmission method that use free space (air or vacuum) as a transmission medium. No cable in the form of an electrical conductor (wire) or optical fibre is required for transmission. Wireless transmission is carried out by directional or non-directional electromagnetic waves, with the range of the frequency band used varying from a few hertz (low frequency) to several hundred terahertz (visible light), depending on the application and technology used. Wireless transmission methods are mainly used in applications where wired transmission technologies are not applicable or too expensive, such as satellite communication or radio relay. Further applications can be found in consumer electronics as well as in the industrial sector. Well-known examples are Bluetooth, WLAN, ZigBee, NFC, Wibree, LoRA or WiMAX in the radio frequency range as well as IrDA and optical directional radio (FSO) in the infrared or optical frequency range.