TTGO T-Call V1.3 ESP32 SIM800L Wireless Communication Module
KSh 3,800.00
DESCRIPTION
Wireless Communication Module that enables wireless connectivity for microcontrollers through the integration of ESP32 and SIM800L GSM/GPRS module.
FEATURES
The ESP32 chip, which has a dual-core 32-bit LX6 CPU, is coupled with the SIM800L wireless communication module.
It has a Type C connector and requires a 5V/1A power source.
This module supports Bluetooth v4.2BR/EDR and BLE standard protocol in addition to 802.11 b/g/n wifi.
The SDK for user firmware development and cloud server development is supported by this wireless communication module.
APPLICATIONS
IoT Data Monitoring.
Remote Sensing.
Security Systems.
Smart Home Automation.
Environmental Monitoring.
Asset Tracking.
Remote Control Systems.
Emergency Response Systems.
Fleet Management.
Industrial Automation
EM4100 RFID Smart Entry Access Card 125khz
KSh 70.00
DESCRIPTION
125KHz Cards are a type of contactless smart card used for identification and access control.
FEATURES
Read-Only Operation: Cannot be reprogrammed or rewritten, which guarantees high security against cloning or altering.
Low Frequency: Operates at 125 kHz.
Passive Technology: Contains no internal battery; it harvests energy from the electromagnetic field generated by the door reader to transmit its ID.
Standard Memory: Holds a 64-bit unique identifier (UID).Form Factor: Usually supplied as a durable, waterproof PVC/ABS CR80 card (standard credit card size) or as a key fob.
Reading Range: Typically ranges between 2 cm to 15 cm depending on the reader.
APPLICATIONS
Door Access Control: Standard security systems for offices, apartment buildings, and gated communities.
Time and Attendance Tracking: Used at employee clock-in terminals.
Parking Management: Gate barriers for automated parking systems.
Event Management: Tracking entry and access for conferences and secure venues.
Micro-payment & Vending: Closed-loop systems for arcade tokens, laundry facilities, or canteen credits.
TTGO T-Call V1.3 SIM800L Wireless module
KSh 4,000.00
DESCRIPTION
The TTGO T-Call V1.3 is an IoT development board that combines an ESP32 microcontroller with a SIM800L GSM/GPRS module. It enables Wi-Fi, Bluetooth, SMS, voice calls, and cellular data communication on a single compact board, making it suitable for remote monitoring, tracking, smart agriculture, telemetry, and IoT applications. The board includes a Nano SIM slot, onboard battery charging circuit, and USB-C interface for programming and power.
FEATURES
Integrated ESP32 and SIM800L for Wi-Fi, Bluetooth, GSM, GPRS, SMS, and voice communication.
Internet Connectivity via Cellular Network without requiring Wi-Fi coverage.
SMS and Call Support for remote alerts and control applications.
Dual Connectivity Options through Wi-Fi and GSM/GPRS.
Onboard Battery Management for portable and battery-powered projects.
Low-Power Modes suitable for remote IoT deployments.
USB-C Programming and Power Interface for convenient development.
OTA (Over-the-Air) Firmware Updates supported through ESP32 networking features.
Rich Peripheral Support including ADC, DAC, PWM, SPI, I²C, and UART interfaces.
Ideal for IoT Applications such as GPS trackers, smart agriculture, telemetry, remote monitoring, smart meters, and industrial automation.
APPLICATIONS
Remote Monitoring Systems – Monitor sensors and equipment in locations without Wi-Fi access.
Smart Agriculture – Track soil moisture, temperature, humidity, and irrigation systems remotely.
Asset and Vehicle Tracking – Transmit location and status data when paired with a GPS module.
Home Automation – Control and monitor appliances through SMS, calls, or internet connectivity.
Industrial Automation – Collect machine data and send alerts for maintenance or fault conditions.
Smart Energy Management – Monitor power consumption and transmit energy usage data to cloud platforms.
Environmental Monitoring – Measure and report weather, air quality, water quality, or environmental conditions.
Security and Alarm Systems – Send SMS notifications or make calls when intrusion, fire, or other alarms are triggered.
IoT Data Logging – Store and transmit sensor data to remote servers for analysis and reporting.
Telemetry Systems – Enable remote acquisition and transmission of data from distributed devices.
JT308 USB RFID Card Reader
KSh 1,150.00
DESCRIPTIONÂ
The JT308 USB RFID card reader provides a plug-
and-play solution for reading RFID cards via USB, eliminating the need for additional drivers or microcontroller integration.
FEATURES
USB plug-and-play operation
Fast card reading response
No external power required
Compact desktop design
High compatibility with PC systems
APPLICATIONSÂ
PC-based access control
Attendance systems
Identity verification
Desktop RFID applications
Office security systems
13.56mhz PN532 NFC Card-reader Module Compatible Raspberry Pi Style：One Set
KSh 900.00
DESCRIPTION
The PN532 NFC card reader module enables
contactless communication with NFC cards and devices. It supports multiple communication interfaces and is widely used in secure authentication systems.
FEATURES
Supports NFC and RFID protocols
Compatible with Raspberry Pi and Arduino
Multiple interface options
High communication reliability
Compact module design
APPLICATION
NFC authentication systems
Smart card readers
Secure access control
Payment terminals
IoT identification systems
13.56Mhz RFID IC Card
KSh 70.00
DESCRIPTIONÂ Â
The 13.56 MHz RFID IC card is a contactless smart
card used for secure identification, authentication, and access control applications. It is compatible with standard HF RFID readers.
FEATURES
Contactless operation
Fast response time
Durable PVC construction
Unique identification code
Long read/write lifespan
APPLICATIONS
Access control systems
Attendance management
Cashless payment systems
Identification cards
Security systems
NodeMcu Lua WIFI ESP8266 Expansion Board V3 Module
KSh 1,200.00
DESCRIPTIONÂ
The NodeMCU ESP8266 V3 is a powerful Wi-Fi
development board built around the ESP8266 SoC, providing seamless internet connectivity for IoT and smart automation projects. It supports Lua and Arduino programming environments.
FEATURES
Integrated 2.4 GHz Wi-Fi module
USB programming and debugging support
Compatible with Lua and Arduino IDE
Onboard voltage regulation
Large GPIO availability
APPLICATIONS
IoT sensor networks
Smart home automation
Remote monitoring systems
Web-based control devices
Cloud-connected electronics
SONOFF WIFI Intelligent Switch Remote Controller Style：RFR2 10A(with RF433function)
KSh 2,500.00
DESCRIPTIONÂ
The SONOFF RFR2 is a smart WiFi-enabled relay
switch with RF433 support, allowing both wireless remote control and mobile app operation for electrical loads.
FEATURES
WiFi and RF dual control
Supports up to 10A load
Remote smartphone operation
Compact relay design
Easy smart home integration
APPLICATION
Smart lighting control
Appliance automation
Home energy management
Remote switching systems
IoT automation projects
Sim900 Mini V4.0 SIM900
KSh 1,400.00
DESCRIPTIONÂ
The SIM900 Mini GSM module provides robust
cellular connectivity for embedded systems requiring SMS, voice, and data communication
FEATURES
Reliable GSM connectivity
Supports voice and SMS
Stable long-term operation
External antenna support
MCU-compatible UART interface
APPLICATIONSÂ
Industrial communication systems
Remote control systems
Security alarms
IoT devices
Telemetry applications
SIM800L V2.0 5V Wireless GSM GPRS Module
KSh 1,500.00
DESCRIPTIONÂ
The SIM800L GSM/GPRS module enables cellular
communication for SMS, voice calls, and data transmission, making it ideal for remote monitoring and IoT applications
FEATURES
Supports GSM and GPRS communication
SMS, voice, and data transmission
Compact and lightweight design
AT command controlled
Wide global network compatibility
APPLICATIONS
Remote monitoring systems
SMS alert systems
IoT connectivity solutions
GPS trackers
Industrial telemetry
MH-M38 Wireless Bluetooth Audio Module
KSh 350.00
DESCRIPTION
The MH-M38 is a compact Bluetooth audio receiver
module designed for wireless audio streaming applications. It enables high-quality stereo audio transmission from smartphones, tablets, and other Bluetooth-enabled devices to amplifiers or speakers.
FEATURES
Supports wireless Bluetooth audio streaming
Stable connection with low latency
Integrated audio decoding circuitry
Compact and lightweight module design
Simple UART/audio pin interface
APPLICATIONS
Bluetooth speaker systems
Wireless audio receivers
DIY audio projects
Smart home audio devices
Car audio upgrades
SIM900 GPRS GSM Module
Original price was: KSh 2,000.00.KSh 1,500.00Current price is: KSh 1,500.00.
A complete Quad-band GSM/GPRS solution in a compact board. It allows microcontrollers to send/receive SMS,
make/receive voice calls, and connect to the internet over GPRS, making it ideal for IoT, telemetry, and remote
monitoring projects.
Features
Quad-band GSM/GPRS support (850/900/1800/1900 MHz)
Supports SMS, voice calls, and GPRS data transmission
UART interface for easy communication with microcontrollers
Onboard power management for reliable operation
Compact and easy to integrate with Arduino or other boards
Applications:
The GSM GPRS shield is particularly useful as it allows to:- Connect to the Internet over GPRS network
- Send and receive SMS
- Place and receive phones calls