TEC1-12706
- Model number: TEC1-12706
- Operating Voltage: 12V
- Maximum Voltage- Vmax (V) : 15V
- Maximum Current- Imax (A) : 6A
- Maximum Power: 92 W
- Power Cord: 200mm
- Internal resistance: 1.98 Ohm +/- 10%
- Life expectancy: 200,000 hours
- Failure rate based on long-time testing: 0.2%.
- Easy transition between the hot side to the cool side and vice-versa just by reversing the polarity of the supply.
- Quality tested cooling cells.
- Solid-state, vibration-free, noise-free.
- Simple to install and operate.
- Should use with a heat sink
- Temperature: 138°C
- Wire Insulation Material: Teflon
- Dimension: 40x40x4.0mm
- Weight: 29g
TEC1-12705 MODULE
- Model number: TEC1-12705
- Operating Voltage: 12V
- Maximum Voltage- Vmax (V) : 15V
- Maximum Current- Imax (A) : 5.2A
- Maximum Power: 54 W
- Power Cord: 350mm
- Internal resistance: 1.98 Ohm +/- 10%
- Life expectancy: 200,000 hours
- Failure rate based on long-time testing: 0.2%.
- Easy transition between the hot side to the cool side and vice-versa just by reversing the polarity of the supply.
- Quality tested cooling cells.
- Solid-state, vibration-free, noise-free.
- Simple to install and operate.
- Should use with a heat sink
- Temperature: 138°C
- Wire Insulation Material: Teflon
- Dimension: 40x40x4.0mm
- Weight: 29g
SPEED MEASUREMENT SENSOR
- Using imported groove optical coupling sensor, width 5mm.
- Good signal and waveform
- The strong driving ability for more than 15mA.
- Use the LM393 wide voltage comparer.
- It has the output state light, if the output is high level, the lights are off. If the output is low level, it is on.
- If it is covered, it will output a high level; otherwise, its output low level.
- Equipped with a fixed bolt hole, easy install.
- The DO output interface can be directly connected to a micro-controller IO port if there is a block detection sensor, such as the speed of the motor encoder can detect.
- DO modules can be connected to the relay, limit switch, and other functions, it can also with the active buzzer module, compose alarm.
SOUND SENSOR
- IC Chip: LM393
- Operating voltage: 3.3V-5V
- operating current: 4-5 mA
- Voltage gain 26 dB (v=6v, f=1khz)
- Sensitivity of the microphone (1khz) :52 to 48 dB
- The impedance of the microphone: 2.2k ohm
- Frequency of microphone: 16 to 20 kHz
- Signal to noise ratio: 54 dB
- Signal output indication
- The output is digital.
- Single-channel signal output.
- With the retaining bolt hole, convenient installation.
- Output low level and the signal light when there is sound.
- Dimension:45*17*9mm
- Weight: 5gm
MAX3232 RS232 TO TTL CONVERTER
- Chip model: MAX3232 IC
- Supply voltage: 3V -5V
- Maximum Baud Rate: up to 120kbps
- High speed, replaceable MAX232 based.
- Working mode: Full duplex
- Supports microcontroller UARTs – 5V TTL signal levels.
- Low current status LED(s)
- Very low power consumption
- Optional onboard PSU for internal/external use for a quick start out of the box.
- Power can be routed to pin 9 (if required) on the RS232 connector – useful for specific
- Operating temperature: -40 degree to +85 degree Celsius
- Dimension: 16.22*10.3*3.5mm
- Weight: 1gm
RS232 TO RS485 CONVERTER ADAPTER
- Input: USB 2.0 Protocol
- Output: RS232 on DB9 Male connector compatible to PC RS485/RS422 on the terminal block.
- Communication Speed: 300bps to 230Kbps.
- Auto direction control for RS485- 2W data transmission.
- Plug-and-Play (Device is Hot-pluggable)
- Cable: USB 2.0 type A to type B cable.
- Galvanic Isolation of 1.5kV
- RS232/RS485 line protection: +/- 15kV ESD.
- LED Indication for Transmit Receive signals.
- Input power from the USB port
- No external power is required.
- RS232 with DB9 Female connector
- RS485 with DB9 Male connector
- Baud rate up to 230Kbps.
- Input power supply range 9-6V DC to 26.4V DC
- USB Drivers provided for Win XP, Vista, Win7, Win8
- Working Modes: Asynchronous, half-duplex, differential transmission
- Operating temperature: -10°C to 85°C,
- Relative humidity: 5% to 95%
- Transmission distance: 1.2 mile (RS-485), 5 meters(RS-232)
- Transmission Media: Common wire, double wire, UTP or Shielding Line
- Serial Port Feature: Compatible with EIA/TIA RS-232C standard and RS-485 standard
- Weight: 49gm
36O DEGREE ROTATIONAL ENCODER
DS1307 RTC MODULE
- DS1307 I2C real-time clock chip (RTC)
- Available in 8-pin DIP or SOIC
- Accessed via I2C protocol
- AT24C32 32K I2C EEPROM memory
- Bidirectional I2C interface.
- Hour:Minutes: Seconds AM/PM.
- Day Month, Date - Year.
- DS1307 based RTC with LIR2032 battery.
- 1Hz output pin.
- 56-byte non-volatile RAM for data storage
- 56 Bytes of Non-volatile memory for user
- The DS1307 is accessed via the I2C protocol.
- Consumes less than 500nA in battery backup mode with oscillator running
- Dimension: 27mm * 28mm * 8.4mm
RDA9851 CPR9851S Bluetooth MP3 FM Module
- Supply voltage 3.2V ~ 4.2V
- Current consumption when the normal operating current 45mA, 32mA Play Pause
- Separation 50dB SNR 70dB
- supports MP3/WMA/WAV/SBC
- Wireless stereo transmission, Bluetooth phone
- BT card reader as it supports USB host so can read data from SD or MMC
- Stereo audio Line-in input
- IR remote control
- Bluetooth version Bluetooth V2.1 + EDR
- UART port for serial communication, and can customize AT communication protocol
- Integrated power management circuit
- High-speed UART interfaces, for debugging or updating software
- Support 3X3 matrix key
- Two controllable LED, support external amplifier mute function
- the internal integration 2x1W amplifier supports dual-channel amplifier output directly ( 2x6 recommended European speakers, power is about 2x0.75W)
- Modulation PSK 3Mbps, 4-DQPSK and 8DPSK
- Supports HFP / HSP, OPP, A2DP/AVRCP, PBAP profiles
- Sensitivity (0.1% BER)-82dBm
- Class2 and class3 transmit power to meet the requirements of the transmit power can provide +7 dBm maximum transmit power
- Operating temperature -20 ~ +50 degree
- Dimension: 26mm x 19mm x 2.05mm
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
PCF8591 ADC-DAC
- Operating voltage range: 2.5V-6V
- Low standby current
- I2C bus serial input/output
- PCF8591 by 3 hardware address pins addressing
- PCF8591 I2C bus speed sampling rate decided 4 analogue inputs programmable single-ended or differential input
- Automatic incremental channel selection
- PCF8591 analogue voltage range from VSS to VDD
- Â On-chip track-and-hold circuit
- Â 8-bit successive approximation A / D converter
- Â 1 analogue output DAC gain
- Single power supply
- Module power supply indicator lights
- DA output indicator
- Dimension: 3.6*2.3cm
NOKIA DISPLAY MODULE
- Display technology: dot matrix LCD
- MCU interface: SPI
- Screen size: 1.5 inch
- Resolution: 84*48 pixels
- Operating voltage: 2.7v-3.3v
- Operating current: 50mA
- Current consumption: 6mA
- Consist of a Philips PCD8544 interface chip for easy interfacing
- Support decent graphics of bitmap images
- Available in green and blue backlight
- Viewing angle: 180 degree
- supports different types of MCU, such as Arduino, AVR, SPI, M, CS51
- Transfer rate up to 4Mbps, can full speed write data without waiting time
- Dimension:10.16*7.62*1.27cm
- Weight: 10gm