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1 Channel 5V Relay Module Black
In Stock
SKU:27589- Channel: 1 channel
- Relay Voltage: 5V
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- One normally closed contact and one normally open contact
- Triode drive, increasing relay coil
RC522 RFID 13.56MHZ Reader Writer Module
In Stock
SKU:87026- Voltage: DC 3.3V (Do not use 5V supply)
- Operating Current :13-26mA
- Idle Current :10-13mA
- Operating Frequency: 13.56MHz
- Highly integrated analog circuitry to demodulate and decode responses
- Supports ISO/IEC 14443 A/MIFARE
- Typical operating distance in reading/Write mode up to 50 mm
5V 1 Channel Relay Module Infrared IR Remote Switch Control
Out of stock
SKU:56278- DC 5V Home lighting system
- Remote control switch
- Smart Home / Home Automation
- Garage Door
- Remote controlled gates
- Security Monitoring
- LED lighting
- Fluorescent lamp
HX1838 VS1838 NEC Infrared IR Remote Control Sensor Module For Arduino (Copy)
Out of stock
SKU:62857- Crystal: the oscillation frequency of 455.
- Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000.
- Photo-detector and preamplifier in one package.
- Internal filter for PCM frequency.
- Improved shielding against EMI.
- Don’t forget to add CR2025 Battery to your Cart as this remote does not come with a battery
HX1838 VS1838 NEC Infrared IR Remote Control Sensor Module For Arduino
Out of stock
SKU:29167- Crystal: the oscillation frequency of 455.
- Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000.
- Photo-detector and preamplifier in one package.
- Internal filter for PCM frequency.
- Improved shielding against EMI.
- Don’t forget to add CR2025 Battery to your Cart as this remote does not come with a battery
IR Remote Control (Without Battery)
Out of stock
SKU:75320- Remote control distance: more than 8 meters
- Crystal: the oscillation frequency of 455
- IR carrier frequency: 38KHz
- Output form: Digital
- Power Supply: CR2032 Battery
- Pointing Angle: up to 60º
- Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000 click
Black IR Remote Control Without Battery
In Stock
SKU:42965- Remote control distance: more than 8 meters
- Crystal: the oscillation frequency of 455
- IR carrier frequency: 38KHz
- Output form: Digital
- Power Supply: CR2032 Battery
- Pointing Angle: up to 60º
- Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000 click
IR Remote Control without Battery
In Stock
SKU:31804- Remote control distance: more than 8 meters
- Crystal: the oscillation frequency of 455
- IR carrier frequency: 38KHz
- Output form: Digital
- Power Supply: CR2032 Battery
- Pointing Angle: up to 60º
- Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000 click
NRF24L01 2.4GHz PA+LNA SMA Wireless Transceiver Module with Antenna
In Stock
SKU:54612- Voltage: 3-3.6V (recommended 3.3V) V.
- Maximum output power: +20dBm.
- Power-down mode current: 4.2uA.
- Operating Range: 1Km
- Antenna Gain (peak): 2Dbi.
- 2MB rate (Open area): 520m.
- 1MB rate (Open area): 750m.
- 250Kb rate (Open area): 1100m.
- It uses 2.4GHz global open ISM band, with license free.
- SPI interface facilitates the communication with MCU I/O port.
PN532 NFC RFID Read and Write Module V3 Kit
In Stock
SKU:67941- Module Size: 42.7mm x 40.4mm x 4mm
- Easy to change mode: with a small SMD toggle Switch, it becomes very easy to change among IIC, SPI and HSU modes
- Longer distance: the reading distance becomes 5~7cm, compared with 4~6 cm of last version
- Built in PCB Antenna, with 5cm~7cm communication distance
- On-board level shifter, Standard 5V TTL for I2C and UART, 3.3V TTL SPI
- Work as RFID reader/writer
- Work as 1443-A card or a virtual card
16 Channel 5V Relay Module with Optocoupler
In Stock
SKU:48316- 5V relay with AC contact capacity of 10A 250V and optocoupler protection.
- Onboard power supply module does not need an external power supply. I / O port driver is active low.
- The module can be used as a microcontroller development board module and also as appliance control, PLC extended output.
- It is using the industry’s top -quality isolation optocouplers, strong anti-jamming ability, stable performance.
- The 1-16 road can be any full on/off or any road.
- All interfaces can be directly connected through the terminal leads, very convenient.
8 Channel 5V Relay Module with Optocoupler
In Stock
SKU:10594- Channel: 8 channel
- Relay Operating Voltage: 5V
- One normally closed contact and one normally open contact
- Triode drive, increasing relay coil
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- Power supply indicator and Control indicator lamp
- Power supply and relay instructions, lit, the disconnect is off;
4 Channel 5V Relay Module with Optocoupler
In Stock
SKU:81573- 5V 4-Channel Relay interface board and each one needs 15-20mA Driver Current.
- Equipped with high-current relay, AC250V 10A; DC30V 10A.
- Standard interface that can be controlled directly by microcontroller (for Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
- Indication LED’s for Relay output status.
2 Channel 5V Relay Module with Optocoupler
In Stock
SKU:96417- Low Level Trigger Relay Module
- Two separate LEDs for On/Off indication of the Relay.
- Triggering input voltage 3.3V – 5V
- Two separate LEDs for On/Off indication of the Relay
- Triggering input voltage 3.3V – 5V 4)
- Back EMF protection
- Back EMF protection 2 LEDs to indicate when relays are ON.
- Works with logic level signals from 3.3V or 5V devices
- Opto isolation circuitry
- Module with diode current protection, short response time
- AC Control Voltage: 250V @max.10A
- DC Control Voltage: 30V @max. 10A
1 Channel 5V Relay Module with Optocoupler
In Stock
SKU:37258- Channel: 1 channel
- Relay Voltage: 5V
- High impedance controller pin
- Pull-down circuit for the avoidance of malfunction
- One normally closed contact and one normally open contact
- Triode drive, increasing relay coil
ESP01 ESP8266 Serial WIFI Wireless Transceiver Module
In Stock
SKU:58714- Wireless Standard: IEEE 802.11 b/g/n
- Operating Voltage: 3.3V
- Serial Interface: UART
- Data Rate: Up to 72.2 Mbps
- Dimensions: Compact form factor for easy integration
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TechnoSam – Wired for Innovation. Built for Reliability.
At TechnoSam, we specialize in providing high-quality electronics modules, development boards, and IoT components for makers, developers, educators, and enterprises. Whether you’re building a prototype or scaling to production, our curated inventory and expert support help you bring your ideas to life — reliably and affordably.
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