5000W Thyristor Voltage Regulator, Adjust Light Speed Temperature
2 Tier LED Signal Tower Light with Buzzer
SD Card shield V4.0 for Arduino UNO
- Standard SD card, SDHC card and TF card compatible
- 3.3v and 5v logical voltage compatible
- 2.6-3.6v DC power supply
- UART Grove & I2C connection compatible
- Fully supported SD Library
- Minimal number of SPI port
- Jumpers provided for configuring Arduino SPI port pins
- Onboard toggle switch for SD card select type
- Truly stackable
- Prototype expand Library support
- Size: 53mm x 47mm
- Weight: 35g
Anti Spy Cell Phone Signal Bug Rf Camera GSM Device Detector 2600Mhz
- Colour: Black
- Detecting frequency: 100 - 2600mhz
- Effective range: 1-10m (32 - 32ft)
- Detect the harmful electromagnetic radiation
- Detect if there is more secret 5. 8 Ghz wireless web camera, wireless wiretap, and wire monitor.
- Ensure the privacy of your phone conversations up to a great extent
- Prevents eavesdropping, videotaping, fraud, protect personal privacy data and information confidential
- Dimensions:6*5*5cm
- Weight: 400gm
DC –DC 600W 10-60V TO 12-80V BOOST CONVERTOR STEP UP MODULE POWER
- Input voltage: 12v-60v
- Output voltage: 12v-80v (adjustable)
- Input current: maximum input current 15A
- Output current: maximum output current 10A
- Output power: effective power input voltage*10A
- 600-watt high power booster module
- Operating frequency: 15KHz
- Overcurrent protection
- Minimum voltage difference: 2v
- Ultra-low dropout voltage
- Conversion efficiency: 95%
- Short circuit protection
- dimension:76*60*56mm
- weight: 250 gm
PN532 NFC MODULE
- Operating Voltage : 3.3V ~ 5v
- Support I2C, SPI, and HSU (High-Speed UART)
- I2C / UART: 3.3V ~ 24V TTL
- SPI: 3.3V TTL with 100-ohm resistors in series
- Plug and play, Arduino compatible
- Built-in PCB Antenna
- Communication distance: 5cm-7cm
- Easy to change mode: with a small SMD Toggle Switch
- Longer distance: the reading distance becomes 5~7cm,
- On-board level shifter, Standard 5V TTL for I2C and UART 3.3V TTL SPI
- Work as an RFID reader/writer
- Work as a 1443-A card or a virtual card
- Support NFC with Android phone
- Small size
- Dimensions: 42.7*40.4*4mm