DAC and sensor interfacing with PIC
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This document discusses interfacing digital-to-analog converters (DACs) and sensors with PIC microcontrollers. It introduces DACs and common DAC types like R-2R ladder and weighted resistor DACs. It then discusses interfacing a DAC0808 converter to a PIC microcontroller and sensing light intensity with an LDR light sensor. Finally, it describes interfacing the LM75 temperature sensor to a PIC, including the sensor's register structure and digital output representation of temperature readings.
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1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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K8sGPT is a tool that analyzes and diagnoses Kubernetes clusters. This presentation was used to share the requirements and dependencies to deploy K8sGPT in a local environment.
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Medical image analysis has witnessed significant advancements with deep learning techniques. In the domain of brain tumor segmentation, the ability to
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scans holds profound implications for diagnosis. This study presents an ensemble convolutional neural network (CNN) with transfer learning, integrating
the state-of-the-art Deeplabv3+ architecture with the ResNet18 backbone. The
model is rigorously trained and evaluated, exhibiting remarkable performance
metrics, including an impressive global accuracy of 99.286%, a high-class accuracy of 82.191%, a mean intersection over union (IoU) of 79.900%, a weighted
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our proposed model. These findings underscore the model’s competence in precise brain tumor localization, underscoring its potential to revolutionize medical
image analysis and enhance healthcare outcomes. This research paves the way
for future exploration and optimization of advanced CNN models in medical
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Recycled Concrete Aggregate in Construction Part III
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Iron and Steel Technology Roadmap - Towards more sustainable steelmaking.pdf
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Eric Nizeyimana's document 2006 from gicumbi to ttc nyamata handball play
this notes have been created
by Eric36 at nyamata ttc
after readings
pe book for y2sme .
Recycled Concrete Aggregate in Construction Part II
Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve natural resources, reduce harmful emissions, and lower life cycle costs. Compared to natural aggregate (NA), RCA pavement has fewer comprehensive studies and sustainability assessments.
TIME DIVISION MULTIPLEXING TECHNIQUE FOR COMMUNICATION SYSTEM
Time Division Multiplexing (TDM) is a method of transmitting multiple signals over a single communication channel by dividing the signal into many segments, each having a very short duration of time. These time slots are then allocated to different data streams, allowing multiple signals to share the same transmission medium efficiently. TDM is widely used in telecommunications and data communication systems.
### How TDM Works
1. **Time Slots Allocation**: The core principle of TDM is to assign distinct time slots to each signal. During each time slot, the respective signal is transmitted, and then the process repeats cyclically. For example, if there are four signals to be transmitted, the TDM cycle will divide time into four slots, each assigned to one signal.
2. **Synchronization**: Synchronization is crucial in TDM systems to ensure that the signals are correctly aligned with their respective time slots. Both the transmitter and receiver must be synchronized to avoid any overlap or loss of data. This synchronization is typically maintained by a clock signal that ensures time slots are accurately aligned.
3. **Frame Structure**: TDM data is organized into frames, where each frame consists of a set of time slots. Each frame is repeated at regular intervals, ensuring continuous transmission of data streams. The frame structure helps in managing the data streams and maintaining the synchronization between the transmitter and receiver.
4. **Multiplexer and Demultiplexer**: At the transmitting end, a multiplexer combines multiple input signals into a single composite signal by assigning each signal to a specific time slot. At the receiving end, a demultiplexer separates the composite signal back into individual signals based on their respective time slots.
### Types of TDM
1. **Synchronous TDM**: In synchronous TDM, time slots are pre-assigned to each signal, regardless of whether the signal has data to transmit or not. This can lead to inefficiencies if some time slots remain empty due to the absence of data.
2. **Asynchronous TDM (or Statistical TDM)**: Asynchronous TDM addresses the inefficiencies of synchronous TDM by allocating time slots dynamically based on the presence of data. Time slots are assigned only when there is data to transmit, which optimizes the use of the communication channel.
### Applications of TDM
- **Telecommunications**: TDM is extensively used in telecommunication systems, such as in T1 and E1 lines, where multiple telephone calls are transmitted over a single line by assigning each call to a specific time slot.
- **Digital Audio and Video Broadcasting**: TDM is used in broadcasting systems to transmit multiple audio or video streams over a single channel, ensuring efficient use of bandwidth.
- **Computer Networks**: TDM is used in network protocols and systems to manage the transmission of data from multiple sources over a single network medium.
### Advantages of TDM
- **Efficient Use of Bandwidth**: TDM all
Presentation of IEEE Slovenia CIS (Computational Intelligence Society) Chapte...
Presentation of IEEE Slovenia CIS (Computational Intelligence Society) Chapte...University of Maribor
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Aleš Zamuda: Presentation of IEEE Slovenia CIS (Computational Intelligence Society) Chapter and Networking.
Presentation at IcETRAN 2024 session:
"Inter-Society Networking Panel GRSS/MTT-S/CIS
Panel Session: Promoting Connection and Cooperation"
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IEEE Slovenia CIS
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本公司拥有海外各大学样板无数，能完美还原海外各大学 Bachelor Diploma degree, Master Degree Diploma
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1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
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DAC and sensor interfacing with PIC
- 1. SASIDHARAN.S DEPARTMENT OF EEE DAC and Sensor Interfacing with PIC Microcontroller
- 2. AGENDA INTRODUCTION OF DAC TYPES OF DAC DAC CONVERTER (DAC 0808) INTERFACING DAC TO PIC INTRODUCTION ABOUT SENSORS SENSOR INTERFACING WITH PIC LDR AND LM75 CONCLUSION
- 3. INTRODUCTION TO DAC The DAC is widely used to convert digital pulses into analog signals
- 4. PARAMETERS OF DAC RESOLUTION It is defined as the smallest change that can occur in analog output as a result of change in the digital output FULL SCALE OUTPUT The maximum output available from a DAC ( all binary inputs are one) MONOTONICITY A DAC is said to be Monotonic if its output increases as the binary input is incremented from one value to the next
- 5. TYPES OF DAC R-2R LADDER TYPE DAC
- 6. TYPES OF DAC WEIGHTED RESISTOR TYPE DAC
- 7. PIC CONNECTION TO DAC 0808 𝐼 𝑂𝑈𝑇 = 𝐼 𝑅𝑒𝑓 𝐷7 2 + 𝐷6 4 + 𝐷5 8 + 𝐷4 16 + 𝐷3 32 + 𝐷2 64 + 𝐷1 128 + 𝐷0 256 +
- 8. DAC OUTPUT (INTERFACING OF DAC TO PIC) Two DAC Output s are easily added to a PIC with MAX 518 (8pin DIP)
- 9. INTRODUCTION Whether or not the Embedded Microcontroller is a Human Interface, it will certainly interface with the physical world. Output Transducers converts electrical variables to physical. Some simple sensors, The Micro switch
- 10. LDR INTERFACING WITH PIC (1) LDR: Sensitivity depends on intensity of light. Resistance of LDR decrease with increase in intensity of light and vice-versa.
- 11. LDR INDICATIVE OUTPUT VALUES ILLUMINATION (Lux) R LDR ohms Vo Volts DARK 2M 5.00 10 9k 2.36 1000 400 0.19
- 12. NTERFACING A TEMPERATURE SENSOR National Semiconductor’s LM75 combines an analog temperature transducer, an analog to Digital Converter(9 bit) and an I2C bus interface Temperature range covered -25 to 100 C
- 13. REPRESENTATION OF DIGITAL OUTPUT CORRESPONDING TO TEMPERATURE
- 14. DEFAULT PERFORMANCE OF THE O.S (OVER TEMPERATURE- SHUTDOWN) OUTPUT
- 15. REGISTER STRUCTURE OF LM75
- 16. You can download this PPT from the Website: sasidharansrinivasan0197.blogspot.in
Editor's Notes
- LDR is a device whose sensitivity depends upon the intensity of light falling on it. When the strength of the light falling on LDR increases the LDR resistance decreases , while if the strength of the light falling on LDR decreased resistance incresed. In the time of darkness or when there is no light, the resistance of LDR is in the range of mega ohms, while in the presence of light or in brightness in decrease by few hundred ohms.