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.
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
NE555 PULSE FREQUENCY ADJUSTABLE MODULE
- Input voltage: DC 5V-15V
- Output amplitude: 4.2V V-PP to 11.4V V-PP
- Input current: 100mA
- Output current: 15mA for 5v & 35 mA for 12v
- 50% duty cycle form 3.7hz(minimum)
- 98% duty cycle for 1.3 KHz(max)
- Output LED indication
- Generate adjustable pulse for MCU
- Generate adjustable pulse to control circuitry
- Dimension: 31*22*2mm
MAX6675 K-TYPE THERMOCOUPLE TEMPERATURE SENSOR
- Internal integrated cold junction compensated circuit
- Operating voltage: 3V to 5.5V
- Temperature signal converted to 12-bit signal
- Thermocouple break detection circuitry
- 25-degree resolution
- K-type temperature probe
- Simple SPI serial output temperature.
- High impedance differential inputs.
- 2000v ESD signal
- Temperature range: 0 degrees to 1024 degrees Celsius
- Temperature measurement accuracy: +/-1.5 C
MAX485 TTL TO RS-485 MODULE
- Operating voltage: 5V
- On board MAX485 chip
- Slew rate limited transceiver
- All the pins of the chip are controlled by the microcontroller
- use differential signalling for immunity
- 120R terminating resistor
- Power LED indication
- Distances up to 1200 meters
- Use differential signalling for noise immunity
- Speeds up to 2.5Mbit/Sec
- Multi-drop supports up to 32 devices on the same bus
- Low power consumption
- On-board 5.08mm pitch 2P terminal to facilitate RS-485
- DIMENSION: 44*14mm
ACTIVE BUZZER ALARM
- Operating voltage: 3.3V to 5V
- The Transistor driver module uses S8550/9012
- Wire length: 20.5cm
- Easy installation by the fixed bolt hole
- 3 pin TTL cable
- An active buzzer with a concussion internal source is called to be energized
- The program easy to control-SCM high low sound
- When input I/O input is low level, the buzzer sounds
- 28*13.29*11.5mm
ISD1760 MODULE (75 sec)
- On-board ISD1760 chip
- Operating voltage: 5v
- 75 sec of audio playback
- Onboard microphone for direct recording
- Frequency: 6KHz or 8KHz
- Recording time: 6K/75 sec, 8K/60 sec
- Output all pin for chip control
- Easy interface with microcontrollers using 2.54mm spaced male pin headers
- High-quality natural voice reduction
- LED status indication
- Long recording time and multiple messages
- Simple operation and better voice quality
- Control not only by buttons but also by SPI from a microcontroller
- Recording, erase, play, FT, fast forward, reset volume buttons
- Dimension: 49*41.5mm
- Weight: 22gm
IRF520 MOSFET DRIVER MODULE SENSOR
- Operating Voltage: 3.3v & 5v
- Digital level port
- Output load voltage: 0-24v
- Output load current: <5A
- The heat sink is added for currently more than 1A
- Compatible with Arduino, MCU, ARM, Raspberry pi
- PWM dimming LED used to step-less dimming, variable-speed motor
- Output PWM can be adjusted by the original IFR520 MOS
- Arduino can drive up to 24V, such as led lights, dc motors, miniature pumps, solenoid valves etc.
- Dimension:34*30*18mm
- Size: 10gm