Hart communication protocol

2.4GHz Wireless Communication Module Embedded Compatible With Bluetooth Protocol Beacon Package contains 1 X item of the smallest listed variant.

Get Hands-on Control over Your DAW! The Mackie Control Universal Pro control surface completes your music production software to give you ultimate hands-on control of your mix. Nine motorized, touch-sensitive Alps faders, eight V-Pots and more than 50 master buttons let you tweak parameters to your heart's content. Unlike generic MIDI controllers, the MCU Pro employs a sophisticated communication protocol that delivers ultra-precise control, makes setup easy - no mapping required - and enables you to see your mix in action with real-time visual feedback via the huge backlit LCD and eight LED rings. Mackie Control Universal Pro Expandable Workstation Control Surface at a Glance: Touch-sensitive control surface with expandable options Proprietary communication protocol for easy software integration MIDI interface Expandable Touch-Sensitive Control Surface with 100mm Motorized Faders The Mackie Control Universal Pro's 100mm touch-sensitive Alps motorized faders give you accurate, smooth, real-console feel, bringing the hands-on vibe of analog to your state-of-the-art DAW productions. The same fader set is also featured on the seamlessly-integrated Mackie Control Extender Pro and expansion module, which also shares the same channel strip functions. Proprietary Mackie communication protocol for seamless music production software integration Mackie's proprietary communication protocol lets you get the most out of your software, giving you precise control over setups and control surface assignments - no mapping required! In addition to the unit's versatile faders and 50 dedicated buttons, accurate V-Pot rotary encoders allow you to manipulate software, plug-in effects, and virtual instruments. And the backlit LCD screen lets you easily monitor your mixes in real time. DAW- and MIDI-friendly An onboard USB MIDI interface is included for direct connection to Mac or PC, as well as up to 3 additional pieces of external MIDI gear (with even more control capability when integrated with the Control C4 Pro expansion module). Software-specific Lexan overlays are also included, allowing the Control Universal Pro to be easily adapted to your DAW. Mackie Control Universal Pro Features: Expandable Touch-Sensitive Control Surface with 100mm Motorized Faders Proprietary Mackie communication protocol for seamless music production software integration 100mm touch-sensitive optical Alps motorized faders V-Pot control over software, plug-in effects and virtual instruments More than 50 dedicated push-buttons for fine control of software parameters Tape-style transport controls Full meter display with track names and parameters Quick cursor-style buttons for Up, Down, Left, Right and Zoom Onboard USB MIDI interface for direct connection to Mac or PC and up to 3 additional pieces of external MIDI gear Software-specific Lexan overlays included Expandable via optional Mackie Control Extender Pro and C4 Pro modules USB connection to the computer, instead of MIDI Built-In 3x3 MIDI Interface Newer, better feeling Jog wheel Skinnier side cheeks (looks more like a "console" when expanded) New metal casing and new industrial design Complete "L" shaped overlays for all DAWS

Overview:   The SDS011 using principle of laser scattering,can get the particle concentration between 0.3 to 10um in the air. It with digital output and built-in fan is stable and reliable.   Characteristics:   1. Accurate and Reliable: laser detection, stable, good consistency; 2. Quick response: response time is less than 10 seconds when the scene changes; 3. Easy integration: UART output (or IO output can be customized), fan built-in; 4. High resolution: resolution of 0.3ug/m3.   Scope of application:   PM2.5 Detector Purifier Air Exchangers Filtering system Working principle:   Using laser scattering principle: Light scattering can be induced when particles go through the detecting area. The scattered light is transformed into electrical signals and these signals will be amplified and processed. The number and diameter of particles can be obtained by analysis because the signal waveform has certain relations with the particles diameter.   Technical Parameters:   No. Item Parameter 1 Measuring output PM2.5,PM10 2 Range 0.0-999.9 ug/m3 3 Power supply voltage 5V 4 Maximum working current 100mA 5 Sleep current 2 mA 6 Operating temperature range -20-50 7 Response time 1s 8 Serial data output frequency 1 time/s 9 Particle diameter resolution Less than 0.3um 10 Relative error 10% 11 Product size 71x70x23mm   Interface specification:   Pin Name explain 1 CTL Control pin, reserved 2 1um >0.3 Micron particle concentration, PWM Output 3 5V 5V power input 4 25um >2.5 Micron particle concentration, PWM Output 5 GND GND 6 R Serial port receiver RX 7 T Serial port transmission TX PS: The pitch of Interface is 2.54mm   Communication protocol:   Serial communication protocol: 9600 8N1. (Rate of 9600, data bits 8, parity none, stop bits 1) Serial report communication cycle: 1+0.5 seconds Data frame (10 bytes): message header + order+ data(6 bytes) + checksum + message trailer The number of bytes Name Content 0 message header AA 1 order C0

VC77 Digital Multimeter 2 In 1 4-20MA Signal Output Multimeter Process Signal S Package weight: 0.62 kg Features: 1.Multimeter & Signal Source 2 in1 2. Loop detection function A. Simultaneously supply 24V loop and measure current. B. Built-in 250 ? HART loop resistor for easy access to HART communication devices without the need to carry load resistors separately. 3. Analog output function A. 4~20mA current setting by bit, manual step output function. B. SIMULATE function simulates the transmitter. C. Can be displayed in mA and percentage. D. The output accuracy is 0.2%, and the output is displayed as 5 bits. 4. Measurement function A. AC voltage, DC voltage, ohmic, DC current, on and off, diode. B. The measurement accuracy is 0.5%, and the current measurement is displayed as 5 bits, which is displayed as 4 bits. C. Measurement rate: 2.5 times / sec D. Can be displayed in mA and percentage. E. Data retention function. 5. Use panel calibration technology. Specifications: Display Screen: display in four digits(5 in current measurement and output) Refresh display:2.5 displays/second Operation temperature and moisture range:0~40 ºC, relative moisture≤85%(no condensation) Storage temperature and moisture range:-20 ºC~60 ºC,relative moisture≤90%(no condensation) Accuracy required temperature and moisture range:23±5ºC,relative moisture≤75%(no condensation) Temperature co-efficiency:0.1 × basic accuracy / ￢ﾄﾃ(temperature range 28￢ﾄﾃ) Continuity/open test:Beeper sounds for resistance readings below threshold, or to indicate a momentary open circuit Battery type:two AA 1.5V Alkaline (LR6) batteries(Not included) DC current output(SIMULATE): about 50 hours; DC current output (SOURCE)20mA(1000Ω load): about 2.5 hours. Battery life:when using alkaline battery: measures any parameter: about 100 hours; Low battery:displays battery symbol Automatic power-off:The default value is 5 mins if no operation which is adjustable. Preheating time:10min Measuring detailed accuracy indicator Measuring part range frequency accuracy remark DC voltage 50V 10mV 0.5%+4 • Measuring impedance 10 MΩ (standard value) • Common mode restrain: 50Hz or 60Hz > 100Db • String mode restrain:50Hz or 60Hz > 45dB • Overload protection: 600V (pea'k –pea'k value) AC voltage 500V 100mV 0.5%+20 (45Hz~100Hz) • frequency beeps: 45Hz~400Hz • Adaptive to range from 10% to 100% • AC conversion: mean value • Measuring impedence:10 MΩ(standard Click here for more deals VC77 Digital Multimeter 2 In 1 4-20MA Signal Output Multimeter Process Signal S VC77 Digital Multimeter 2 In 1 4-20MA Signal Output Multimeter Process Signal S

Epsolar Tracer 4210AN 40A MPPT Charge Controller - 12V/24V Features:  • Advanced MPPT technology, with efficiency no less than 99.5% • Ultra-fast tracking speed and guaranteed tracking efficiency • Advanced MPPT control algorithm to minimize the maximum power point loss rate and loss time • Wide MPP operating voltage range • High quality components, perfecting system performance, with maximum conversion efficiency of 98% • Accurate recognition and tracking of multiple-peaks maximum power point • International famous brands of ST and IR's components of high quality and low failure rate are used, which can ensure the product’s service life • Charging power and current limitation function  • Compatible with lead-acid and lithium-ion batteries • Battery temperature compensation function¿only for Lead-acid battery¿ • Real-time energy statistics function • Overheating power reduction function • Multiple load work modes • The communication port adopts professional protection chip • With RS-485 communication bus interface and Modbus communication protocol. • Monitor and set the parameters via mobile phone APP or PC software • Full-load operation without any drop in capacity within the range of working environment temperature • Extensive electronic protection

Features: Advanced maximum power point tracking (MPPT) technology, with efficiency no less than 99.5%. High quality components, perfecting system performance, with maximum conversion efficiency of 98%. Ultra-fast tracking speed and guaranteed tracking efficiency. Accurately recognizing and tracking of multiple power points. Reliable automatic limit function of maximum PV input power, ensuring no overload under any circumstance. Wide MPP operating voltage range. 12/24VDC automatically identifying system voltage. LCD panel display design, dynamically displaying tool’s operating data and working condition. Multiple load control modes: manual control, light ON/OFF, light on + timer and test mode. Support 3 charging preprogram options: Sealed, Gel, Flooded. Battery temperature compensation function. Real-time energy statistics function. With RS-485 communication bus interface and Modbus communication protocol, it is available to meet various communication requirements in different situations. Available for PC monitoring and external display unit connecting like MT50 and so on, realizing real-time data checking and parameters setting. Support software upgrade. Specification: Power: 40A, 30A, 20A 40A: Size: Approx. 24.9x17.9x15.6cm/ 9.80x7.05x6.14" Nominal system voltage: 12/24V auto work Rated charge current: 40A Rated discharge current: 40A Battery input voltage range: 8V~32V Max. PV input power: 520W(12V); 1040W(24V) Self-consumption: ≤20mA (12V); ≤16mA (24V) Discharge circuit voltage drop: ≤0.18V Temperature compensation coefficient: -3mV/ ºC/2V(Default) Grounding: Common positive 30A: Size: Approx. 22.5x16.3x5.1cm/ 8.86x6.42x2.01" Nominal system voltage: 12/24V auto work Rated charge current: 30A Rated discharge current: 30A Battery input voltage range: 8V~32V Max. PV input power: 390W(12V); 780W(24V) Self-consumption: ≤20mA (12V); ≤16mA (24V) Discharge circuit voltage drop: ≤0.18V Temperature compensation coefficient: -3mV/ ºC/2V(Default) Grounding: Common positive 20A: Size: Approx. 21.6x15.4x4.5cm/ 8.50x6.06x1.77" Nominal system voltage: 12/24V auto work Rated charge current: 20A Rated discharge current: 20A Battery input voltage range: 8V~32V Max. PV input power: 260W(12V); 520W(24V) Self-consumption: ≤20mA (12V); ≤16mA (24V) Discharge circuit voltage drop: ≤0.18V Temperature compensation coefficient: -3mV/ ºC/2V(Default) Grounding: Common positive Environmental: LCD temperature range: -20￢ﾄﾃ to +70￢ﾄﾃ Working environment temperature range: -25￢ﾄﾃ to +45￢ﾄﾃ Storage temperature range: -35￢ﾄﾃ to +80￢ﾄﾃ Humidity range: ≤95% (N.C) Enclosure: IP30 Package includeds: 1 x MPPT Solar Charge Controller Regulator 1 x English Use Manual Details pictures:

Overview: PCA9685 module could control 16 road by PWM, every road programmable output for shut, open. Through the I2C communication. The function and characteristics: ??Working voltage: 2.3-5.5V ??Communication protocol: I2C ??Cannel number: 16 ??Resolution ratio: 12 bit ??V+ Input: According to peripheral voltage, Maximum 6V Feature: ??The board size: 63.1*31.8mm ??The board function description: VCC: The working voltage of the module GND: Ground SCL, SDA: I2C communication interface V+: Steering gear and other peripheral driving voltage PWM: PWM signal output VCC connect to the Arduino 5V, GND connect to the Arduino GND, SDA connect to A4, SCL connect to A5, steering gear with 0-15 arbitrary channel connection, burn write code, steering gear began to turn it. Package included: 1 x Arduino 16 Road PWM/Servo/Steering Gear Drive Controller

Features: • Advanced MPPT technology, with efficiency no less than 99.5% • Ultra-fast tracking speed and guaranteed tracking efficiency • Advanced MPPT control algorithm to minimize the maximum power point loss rate and loss time • Wide MPP operating voltage range • High quality components, perfecting system performance, with maximum conversion efficiency of 98% • Accurate recognition and tracking of multiple-peaks maximum power point • International famous brands of ST and IR’s components of high quality and low failure rate are used, which can ensure the product's service life • Charging power and current limitation function • Compatible with lead-acid and lithium-ion batteries • Battery temperature compensation function（only for Lead-acid battery） • Real-time energy statistics function • Overheating power reduction function • Multiple load work modes • The communication port adopts professional protection chip • With RS-485 communication bus interface and Modbus communication protocol. • Monitor and set the parameters via mobile phone APP or PC software • Full-load operation without any drop in capacity within the range of working environment temperature • Extensive electronic protection

  Parameter: Camera Module Sensor: 1/3" CMOS Panasonic 34229 Total Pixel: 2.0 Megapixels Output Pixel: 1920*1080@30fps 1920*1080@25fps  Lens: 36X optical zoom 4.6mm-165.6mm Iris: F1.6~F4.8 Min.illumination: Color:0.01Lux B/W:0.001Lux  D/N: IR-Cut WB: Manual/auto AGC: Manual/auto S/N Ratio: ≥50dB Dome Communications Protocol: TCP/IP, HTTP, NTP, IGMP, DHCP, UDP, SMTP, RTP, RTSP, ARP, DDNS, DNS, HTTPS, P2P Software Control: IE, CMS, Management Platform Mobile View(optional): Support Android iPhone platform smartphone Horizontal Rotation Speed: 0.02 ~ 200°/s Horizontal Rotation Range: 0.02 ~ 120°/s Tilt Rotation Speed: 360º/s Tilt Rotation Range: 93° Auto Flip: Horizontal 180°, Vertical 93° Auto Control IR LED: PWM A-B Scan: User programmable A-B Scan Speed: 1-64 levels setting available  Dwell Preset: 01-60s interval available Preset Points: 220 Go to Preset Speed: 01-64 levels available Guard Tours: 3 groups  Guard Points: Max.16 points, dwell time user selectable PWR On Action: Memory/Tour 1/360° scan/A-B scan/Preset 1-8/None Park Time: 1-60mins available  Communication Protocol: Pelco-D, Pelco-P Baud Rate: 9600bps by default Operating Temperature: Indoor: 0°~ +40° Outdoor: -40°~ +60° Operating Humidity: ≤95% Non condensing Heater & Blower: Auto temperature control  Power: DC12V 4A IR Illumination Distance: 150M  Power Consumption: ≤ 25W Lightning Protection: Transient voltage 6000V Description Product Name: 7" Inch HD 2.0MP 36X ZOOM Outdoor PTZ IP High Speed Dome CCTV Camera IR CUT Night 120M ONVIF Category: IP Cameras Short Description: IP Camera with 2.0MP high resolution, has high speed, Optical zoom is 36M!! Support H.264/H.265, IR distance reach 150M, IP66 Waterproof level, perfect Dome Quantity: 1   Piece Package Size: 32.0 * 32.0 * 43.0 (cm) Gross Weight/Package: 8.81 (kg)  

10 DOF 9axis Indicator Module L3G4200D ADXL345 HMC5883L BMP085 Arduino is available now from our US and UK warehouse Free shipping to US and UK in 3-6 business days ship to Other European countries in 7-10 days 10 DOF 9-axis Indicator Module L3G4200D ADXL345 HMC5883L BMP085 Arduino Description: Nine axis modules (three-axis gyro + three axis acceleration + tri-axial magnetic field +BMP085) Using immersion gold plating PCB process Module chips: L3G4200D+ADXL345+HMC5883L+BMP085 Power supply: 3V-5V Communication mode: IIC communication protocol (fully compatible with 3-5V systems, including LLC circuit) Board size: 25.8mm*16.8mm Package included: 1 X 10DOF Module 9-axis Attitude Indicator L3G4200D ADXL345 HMC5883L BMP085 Module

Feature: Adxl345 digital three-axis acceleration of gravity tilt module Ar code iic / spi Name: three-axis acceleration of gravity module Chip: the adxl345 Power supply: 3-5V Communication: the IIC / SPI communication protocol Measuring range: ± 2g ± 16g Schematics, manuals and reference documentation of relevant data 51, the avr, the Ar microcontroller test code 3-axis, ± 2g / ± 4g / ± 8g / ± 16g   Package includes: 1 x ADXL345 3-axis Digital Tilt Sensors Acceleration Module

Description: Type: GY-511 Size: 20.5mmx14.5/0.80''X0.57'' Pin Pitch: 2.54 mm Power supply:3-5v Using the chip: LSM303DLHC Magnetic field range: ± 1.3 / ± 1.9 / ± 2.5 / ± 4.0 / ± 4.7 / ± 5.6 / ± 8.1 gauss Acceleration range: ± 2 g / ± 4 g / ± 8 g Communication: standard IIC communication protocol Chip built-in 12 bit AD converter, 16 bits of data output Package included: 1 x GY-511 LSM303DLHC E-Compass 3 Axis Magnetometer And 3 Axis Accelerometer Module

GY-273 HMC5883L Module Triple Axis Compass Magnetometer Sensor 3V-5V HMC5883L module (three-axis magnetic field module) Power supply:3-5v Means of communication: IIC communication protocol Locally Stocked. Available for Immediate Shipping!

Feature: Adxl345 digital three-axis acceleration of gravity tilt module Ar code iic / spi Name: three-axis acceleration of gravity module Chip: the adxl345 Power supply: 3-5V Communication: the IIC / SPI communication protocol Measuring range: ± 2g ± 16g Schematics, manuals and reference documentation of relevant data 51, the avr, the Ar microcontroller test code 3-axis, ± 2g / ± 4g / ± 8g / ± 16g Package includes: 3 x ADXL345 3-axis Digital Tilt Sensors Acceleration Module

Overview: ADS1256 8 road 24-bit ADC module mounted TI ADS1256IDB, minimum Power consumption, high precision ADC chips and 2.5V datum voltage source, using SPI interface communication protocol, data output rates up to 30ksps, support single-ended input and differential input. Feature: On-board high precision TI ADS1256IDB ADC chips On-board ADR03 2.5V datum voltage source chips Data output rates up to 30ksps, nonlinearity is low to ±0.0010% The module can be configured as either 8 single-ended inputs or 4 differential inputs ADS1256 module is suitable for measuring analog voltage within 3V Module operating voltage is 5V The board size is 35*60mm Interface description: 5V, GND: 5V power input SCLK, DIN, DOUT, CS: SPI communication Interface DRDY: ADS1256data be ready output (Active low level) PDWN: ADS1256 Sync / Turn off the power input (Active low level) AIN0-AIN7: Analog voltage input, it can be configured as either 8 single-ended inputs or 4 differential inputs, (The measured voltage should be shared with the module) Precautions: Because the voltage of ADS1256 is 5V, and The measured voltage should be 2V below the supply voltage, so The module is only suitable for measuring analog voltages within 3V. Testing Methods: Module provides STC15W and STM32 microcontroller 8-channel serial display reference program and STC89C52 single-chip 4-channel 1602LCD display reference program, the STC89C52 Microcontroller + 1602 LCD LCD test method is as follows: 5V, GND connect to DC 5V power supply, SCLK, DIN, DOUT, DRDY, CS connect to Microcontroller P1.2, P1.3, P1.4, P1.5, P1.6 respectively, AIN0, AIN1, AIN2, AIN3 connect to 2.5V, 2.5V, 2.5V,2.5V respectively (The measured voltage should be in common with the ADS1256), then 1602 LCD will shows these four sets of voltage values, in which, the 1st,2nd,4th sets are single-ended input voltage value of AIN0, AIN1, AIN3, and the 3rd set is the difference of AIN2-AIN3, the voltage values of these four sets are 2.5V, 2.5V, 0V, 2.5V. Package included: 1 x ADS1256 24 Bit 8 Channel ADC AD Module