MEGA32A Atmel Microcontroller IC
- Flash (Kbytes): 32 Kbytes
- Pin Count: 44
- Operating Freq. (MHz): 16 MHz
- CPU: 8-bit AVR
- Max I/O Pins: 32
- Ext Interrupts: 3
- SPI: 1
- UART: 1
- ADC channels: 8
- SRAM (Kbytes): 2
- EEPROM (Bytes): 1024
- Operating Voltage (Vcc): 2.7 to 5.5V
- Package: PDIP 40P6 40High-performance, Low-power Atmel®AVR® 8-bit Microcontroller
- Advanced RISC Architecture
- High Endurance Non-volatile Memory segments
- Peripheral Features includes Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes , One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode , Real Time Counter with Separate Oscillator , Four PWM Channels ,8-channel, 10-bit ADC.
- Special Microcontroller Features includes Power-on Reset and Programmable Brown-out Detection , Internal Calibrated RC Oscillator
- Operating Voltages – 2.7V - 5.5V for ATmega32L ,4.5V - 5.5V for ATmega32
Capacitor Touch Dimmer, Constant Voltage LED Stepless Dimming, PWM Control Board
- Voltage range: 4V to 5V
- Maximum output current: 500mA
- Hole distance: 16 mm
- Aperture: 5 mm
- The lamp brightness can be adjusted by requirement, it is very to operate.
- It can touch in medium protection, such as glass, acrylic, plastic, ceramics, and so on, which is very safe.
- Anti power and phone interference, the EFT can reach above +/-2KV; the touch response sensitivity and reliability will not be affected by the close distance or multi-angle mobile phone interference.
- Dimming mode: Non-polar PWM dimming.
- PCB size: 23 x 20mm
NRF24L01 Long Range
- Voltage: 3-3.6V (recommended 3.3V) V.
- Maximum output power: +20dBm.
- Power-down mode current: 4.2uA.
- Operating Range: 1Km.
- Transmission mode current(peak): 115mA
- Receiver Mode Current(peak): 45mA
- Power-down mode current: 4.2uA
- Sensitivity 2Mbps mode in received: -92dBm
- It uses 2.4GHz global open ISM band, with license free.
- SPI interface facilitates the communication with MCU I/O port.
- Support six-channel data reception.
- 2Mbit/s speed makes high-quality VoIP possible
- Multi-frequency points: 125 frequency points meet the needs of multi-point communications and frequency hopping.
- Supports 126 RF channels
- Onboard antenna for optimum performance
- Standard DIP type pinout for easy Interface through jumper wires or breadboard
- Small size: 16.5mm*45.5mm.
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
AC-DC Power Module HLK-5M05 230V to 5V /5W
- Meet UL, CE requirements
- Rated input voltage: AC 100V -230V
- Input voltage range: 90V -264V AC
- Maximum input current: <0.2A
- Input current surge: <10A
- Maximum input voltage: <270V AC
- Input Low Voltage Efficiency: Vin=110V AC，Output full-load≥ 69%
- Input High Voltage Efficiency: Vin=220V AC，output full-load≥ 70 %
- Long-term reliability
- Voltage Regulation: ±0.2%
- Load Regulation: ±0.5%
- Ultra-thin and small module
- High efficiency, high power density
- Low ripple and low noise
- Output overload and short circuit protection
- Working temperature: – 20 degrees to +60 degrees Celsius
- Storage temperature: -40 degrees to 80 degrees Celsius
- Relative humidity: 5-95%
- Cooling way: Natural cooling
- Atmospheric pressure: 80-106Kpa
- Weight: 21g
- Size: 38x23x18mm
DS3231 RTC MODULE
- Operating voltage of DS3231: 2.3 v to 5.5v
- 400Khz I2C interface
- Automatic power failure battery switch circuitry
- RTC counts seconds, minutes, hours, and year
- High precision clock chip DS3231
- Programmable square-wave output
- Chip temperature sensor accuracy:+/_3 degree Celsius
- Memory chip: AT24C32 with 32K storage capacity
- CR2032 battery backup with a high life span
- Low power consumption
- Register for ageing trim
- Dimension: 38mm*22mm*14mm
MQ303 Sensor
- Gas: Alcohol ( ethanol )
- Detection range : 20 to 1000ppm
- Characteristics of gas: 125ppm alcohol
- Sensitivity: R in air / Rin typical gas 3
- Sensing Resistance: 4 to 400K in air atmosphere
- Response time : 10s (70% Response)
- Recovery time : 30s (70% Response)
- Heating resistor: 4.5 Ω ± 0.5 Ω
- Heating current: 130mA
- Heating voltage : 0.9V ± 0.10V
- Heating power: 130mW
- Measure the voltage: 24V
- concentration range: 20 to 10,000 ppm
- Working conditions :
- -Â Â Â Ambient temperature : -20 ~ +55
- Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -Â Â Â Humidity: 95% RH
- Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -Â Â Â Environmental oxygen content: 21%
- Storage conditions :
- Â Â Â Â Â Â Â Â Â Â Â -Â Â Â Temperature : -20 ~ +70
- Â Â Â Â Â Â Â Â Â Â Â -Â Â Â Humidity: 70% RH
- High sensitivity
- Fast response and resume
- Long life and low cost
- For ethanol, vapour has high sensitivity and good selectivity
- Simple drive circuit
- Dimensions: 60mm x90mm x9mm
- Weight: 5g
Towerpro MG90S Mini Digital 180 Degree Servo
- Model: MG90S
- Operating voltage: 4.8V~ 6.6V
- Servo Plug: JR
- Stall torque @4.8V : 1.8kg-cm
- Stall torque @6.6V : 2.2kg-cm
- Modulation: Analog
- Dimensions: 23.1*12.2*29.0 mm
- Gear Type: Metal
- Rotation/Support: Dual Bearings
- Rotational Range: 180°
- Pulse Cycle: 20 ms
- Pulse Width: 400-2400 µs
- High resolution
- Accurate positioning
- Fast control response
- Constant torque throughout the servo travel range
- Excellent holding power
- Weight: 13 gm
