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ECG Module ad8232
₨1,600-
Raspberry Pi
Camera with Flash for Raspberry Pi
Features
The LISIPAROI can be powered by the Raspberry Pi or by an external power supply.
Brightness can be controlled digitally by PWM or analogue by varying the voltage between 0 and 3v.
- White or Infrared LEDs
- Flash or Steady Light
- Powered by Pi or separate battery pack
- Attaches to existing camera module
- Brightness control
- Additional mounting points
- Perfect for security or timelapse photography
SKU: n/a
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Micro Controllers
AVR-Atmel-Mega328
The Atmel – ATmega328/P is a low-power CMOS 8-bit microcontroller based on the AVR® enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega328/P achieves throughputs close to 1MIPS per MHz. This empowers system designer to optimize the device for power consumption versus processing speed.
SKU: n/a
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Micro Controllers
ATML – AT89C51 Refurb
Features
- Compatible with MCS-51™ Products
- 4K Bytes of In-System Reprogrammable Flash Memory – Endurance: 1,000 Write/Erase Cycles
- Fully Static Operation: 0 Hz to 24 MHz
- Three-level Program Memory Lock
- 128 x 8-bit Internal RAM
- 32 Programmable I/O Lines
- Two 16-bit Timer/Counters
- Six Interrupt Sources
- Programmable Serial Channel
- Low-power Idle and Power-down Modes
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Modules/Motors
Peltier 12707
These 127 couple Peltier cooling modules are optimized for 12VDC. They are nicely sealed at the edges with silicone to prevent dust and contaminants from entering the unit, ensuring an efficient and long life span.
- 66W (~150 BTU) heat pumping possible.
- Max DT=67° @ 27°C TH.
- 15V max, Draws [email protected] 12VDC.
- 1-9/16 x 1-9/16 x 3/16
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Sensor
Mq 135
Specifications of MQ-135 gas sensor
- Wide detecting scope
- Fast response and High sensitivity
- Stable and long life Simple drive circuit
- Used in air quality control equipment for buildings/offices, is suitable for detecting
of NH3, NOx, alcohol, Benzene, smoke, CO2, etc. - Size: 35mm x 22mm x 23mm (length x width x height)
- Working voltage: DC 5 V
- Signal output instruction.
- Dual signal output (analog output, and high/low digital output)
- 0 ~ 4.2V analog output voltage, the higher the concentration the higher the voltage.
SKU: n/a -
Cables
USB to TTL Serial Cable
Description
The cable is easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port. Inside the big USB plug is a USB<->Serial conversion chip and at the end of the 36″ cable are four wire – red power, black ground, white RX into USB port, and green TX out of the USB port. The power pin provides the 5V @ 500mA direct from the USB port and the RX/TX pins are 3.3V level for interfacing with the most common 3.3V logic level chipsets.
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Arduino, Sensor
10KG Scale Load Cell Weight Weighing Sensor +HX711 Weighing Sensors AD Module
The module uses 24 high-precision A / D converter chip hx711, is designed for high-precision electronic scale and design, with two analog input channels, the internal programmable gain amplifier integrated multiplier 128. The input circuit can be configured to provide a bridge voltage electrical bridge (such as pressure, weight) sensor model is an ideal high-precision, low-cost sampling front-end module.
SKU: n/a
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Analog/Digital Converters
MCP 602
The MCP602 dual operational amplifier (op amp) has a gain bandwidth product of 2.8 MHz with low typical operating current of 230 uA and an offset voltage that is less than 2 mV. The MCP602 uses Microchip’s advanced CMOS technology, which provides low bias current, high-speed operation, high open-loop gain and rail-to-rail output swing. The MCP602 operates with a single supply voltage that can be as low as 2.7V, while drawing less than 325 of quiescent current per amplifier. The MCP602 is available in standard 8-lead PDIP, SOIC and TSSOP packages. This amplifier is ideal for industrial process control, low-power battery-operated devices, portable equipment, data acquisition equipment, test equipment and low-end audio applications.
SKU: n/a
Analog/Digital Converters
MAX 488
Key Features
Low Power Consumption Minimizes Thermal Dissipation, Reducing System Cost
120µA to 500µA Quiescent Current
Shutdown Current of 0.1µA
Single 5V Supply Voltage
Slew-Rate-Limited Drivers (MAX483/MAX487/MAX488 and MAX489)
Up to 250kbps Data Rate
Unlimited Drivers: Up to 2.5Mbps Data Rate
Integrated Protection Enhances System Robustness
Short Circuit Current Limited Driver
Integrated Thermal Shutdown
Receiver Fail-Safe for Input Open Circuit
Guarantees Logic High
1/4 Unit Loading (MAX487/ MAX1487 only) Allows Up to 128 Devices on a Single Bus
48kΩ Receiver Input Resistance
SKU: n/a
Analog/Digital Converters
Max 487
Key Features
Low Power Consumption Minimizes Thermal Dissipation, Reducing System Cost
120µA to 500µA Quiescent Current
Shutdown Current of 0.1µA
Single 5V Supply Voltage
Slew-Rate-Limited Drivers (MAX483/MAX487/MAX488 and MAX489)
Up to 250kbps Data Rate
Unlimited Drivers: Up to 2.5Mbps Data Rate
Integrated Protection Enhances System Robustness
Short Circuit Current Limited Driver
Integrated Thermal Shutdown
Receiver Fail-Safe for Input Open Circuit
Guarantees Logic High
1/4 Unit Loading (MAX487/ MAX1487 only) Allows Up to 128 Devices on a Single Bus
48kΩ Receiver Input Resistance
SKU: n/a
Analog/Digital Converters
Max 485
Key Features
Low Power Consumption Minimizes Thermal Dissipation, Reducing System Cost
120µA to 500µA Quiescent Current
Shutdown Current of 0.1µA
Single 5V Supply Voltage
Slew-Rate-Limited Drivers (MAX483/MAX487/MAX488 and MAX489)
Up to 250kbps Data Rate
Unlimited Drivers: Up to 2.5Mbps Data Rate
Integrated Protection Enhances System Robustness
Short Circuit Current Limited Driver
Integrated Thermal Shutdown
Receiver Fail-Safe for Input Open Circuit
Guarantees Logic High
1/4 Unit Loading (MAX487/ MAX1487 only) Allows Up to 128 Devices on a Single Bus
48kΩ Receiver Input Resistance
SKU: n/a
Analog/Digital Converters
Max 232
Features
RS-232 Bus-Terminal ESD Protection Exceeds
±15 kV Using Human-Body Model (HBM)
±15 kV Using Human-Body Model (HBM)
Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU V.28 Standards
Operates With 3-V to 5.5-V VCC Supply
Operates up to 250 kbit/s
Two Drivers and Two Receivers
Low Supply Current: 300 µA Typical
External Capacitors: 4 × 0.1 µF
Accepts 5-V Logic Input With 3.3-V Supply
Alternative High-Speed Terminal-Compatible Devices (1 Mbit/s)
SN65C3232 (–40°C to 85°C)
SN75C3232 (0°C to 70°C)
SKU: n/a
Micro Controllers
PIC 16F72 Refurbished
MEMORY ORGANIZATION
There are two memory blocks in the PIC16F72 device. These are the program memory and the data memory. Each block has separate buses so that concurrent access can occur. Program memory and data memory are explained in this section. Program memory can be read internally by the user code (see Section 7.0). The data memory can further be broken down into the general purpose RAM and the Special Function Registers (SFRs). The operation of the SFRs that control the “core” are described here. The SFRs used to control the peripheral modules are described in the section discussing each individual peripheral module. Additional information on device memory may be found in the PIC™ Mid-Range Reference Manual, (DS33023).
SKU: n/a
Micro Controllers
PIC 16F628
Product Development
The PIC16F627A/628A/648A family is supported by a full-featured macro assembler, a software simulator, an in-circuit emulator, a low cost in-circuit debugger, a low cost development programmer and a full-featured programmer. A Third Party “C” compiler support tool is also available.
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