Main Page - Revision history

Christian at 00:02, 8 May 2025

2025-05-08T00:02:48Z

← Older revision		Revision as of 08:02, 8 May 2025
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	This is the repository where projects are documented. Creation of new accounts have now been blocked,and editing/creating pages is enabled. If you need an account, please contact Christian.		This is the repository where projects are documented. Creation of new accounts have now been blocked,and editing/creating pages is enabled. If you need an account, please contact Christian.

	~~<span style="color: red">'''Deadline for report'''</span>~~

	Deadline for finishing your report on this wiki has been <span style="color: red">'''29 April 2025 23:59:59</span>''' ;) We hope you are happy with your project page at this point, as this will be the basis for our assessment.		Deadline for finishing your report on this wiki has been <span style="color: red">'''29 April 2025 23:59:59</span>''' ;) We hope you are happy with your project page at this point, as this will be the basis for our assessment.

Christian at 00:02, 8 May 2025

2025-05-08T00:02:21Z

← Older revision		Revision as of 08:02, 8 May 2025
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	<span style="color: red">'''Deadline for report'''</span>		<span style="color: red">'''Deadline for report'''</span>

	Deadline for finishing your report on this wiki ~~will be~~ <span style="color: red">'''29 April 2025 23:59:59</span>''' ;) ~~Please be ensured~~ you are happy with your project page at this point, as this will be the basis for our assessment.		Deadline for finishing your report on this wiki has been <span style="color: red">'''29 April 2025 23:59:59</span>''' ;) We hope you are happy with your project page at this point, as this will be the basis for our assessment.
	Thanks!! Ramanathan Mahendrian and Christian Kurtsiefer
			Hope you enjoued the course - Thanks!! Ramanathan Mahendrian and Christian Kurtsiefer

	==Projects==		==Projects==

Tianshuo: /* Motor Rotation Speed Measurement via the Hall Effect Sensor */

2025-04-29T11:11:35Z

Motor Rotation Speed Measurement via the Hall Effect Sensor

← Older revision		Revision as of 19:11, 29 April 2025
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	Other devices needed: use LED as single photon source (wavelength shorter than the emitting wavelength 700nm).		Other devices needed: use LED as single photon source (wavelength shorter than the emitting wavelength 700nm).

	===[[Motor ~~Rotation~~ Speed Measurement via the Hall Effect Sensor]]===		===[[Motor-driven Rotary Plate Speed Measurement via the Hall Effect Sensor]]===

	Team members: Mi Tianshuo		Team members: Mi Tianshuo

	This project ~~implements~~ a Hall effect sensor to measure the rotation speed of a circuit board-~~controlled~~ rotary plate.		This project utilizes a Hall effect sensor to measure the rotation speed of a circuit board-driven rotary plate through magnetic field variation detection.

	===[[STM32-Based IMU Attitude Estimation]]===		===[[STM32-Based IMU Attitude Estimation]]===

Runzhi: /* LED based avalanched photodetector */

2025-04-29T10:20:48Z

LED based avalanched photodetector

← Older revision		Revision as of 18:20, 29 April 2025
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	Team members: Cai Shijie, Nie Huanxin, Yang Runzhi		Team members: Cai Shijie, Nie Huanxin, Yang Runzhi

	1.Build a single ~~photon detector~~ using LED. The possible LED is gallium compounds based, emitting wavelength around ~~800nm~~(red light).		1.Build a single photondetection circuit using reverse-biased LED. The possible LED is gallium compounds based, emitting wavelength around 700nm(red light).

	2. ~~Other possible detector~~: ~~photomultiplier or avalanche photon detector(do we have that?)~~.		2.Record singal waveforms under different variables: reverse bias and power of light source.

	3.~~Do single double-slit interference experiment~~.		3.Investigate the photodetector's quantum efficiency, stimulation number's accordance with Poisson distribution.

	~~Other devices needed: use LED~~ as ~~single photon source (wavelength shorter than the emitting wavelength 800nm~~)		4.Give numerical calculations of quench time of equivalent quenching circuit (as accurate as possible).

	~~prove the detection is~~ single photon~~: need optical fibre, counting module~~		Other devices needed: use LED as single photon source (wavelength shorter than the emitting wavelength 700nm).

	===[[Motor Rotation Speed Measurement via the Hall Effect Sensor]]===		===[[Motor Rotation Speed Measurement via the Hall Effect Sensor]]===

Yuzhen: /* Ultrasonic Doppler Speedometer */

2025-04-29T03:51:09Z

Ultrasonic Doppler Speedometer

← Older revision		Revision as of 11:51, 29 April 2025
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	Team members: Yang Yuzhen, Liu Xueyi, Shao Shuai		Team members: Yang Yuzhen, Liu Xueyi, Shao Shuai

	Design and build an ultrasonic Doppler speedometer to measure the velocity of a moving object.		Design and build an ultrasonic Doppler speedometer to measure the distance and velocity of a moving object.

	==Resources==		==Resources==

Ruizhe: /* Humidity Sensor of Graphite */

2025-04-29T01:58:51Z

Humidity Sensor of Graphite

← Older revision		Revision as of 09:58, 29 April 2025
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	Team members: Xu Ruizhe, Wei Heyi, Li Zerui, Ma Shunyu		Team members: Xu Ruizhe, Wei Heyi, Li Zerui, Ma Shunyu

	This project ~~utilizes the principle of the photoelectric effect~~ to ~~design~~ a smart light sensing system. The system can detect ambient light intensity and process the data using Arduino or Raspberry Pi. When the light intensity changes beyond a predefined threshold, the system can trigger responses such as lighting up an LED, activating a buzzer, or automatically adjusting curtains.		This project aims to build a humidity sensor with Graphite.

	===[[Temperature and humidity sensors]]===		===[[Temperature and humidity sensors]]===

Ruizhe: /* Light Sensing System Based on the Photoelectric Effect */

2025-04-28T12:46:36Z

Light Sensing System Based on the Photoelectric Effect

← Older revision		Revision as of 20:46, 28 April 2025
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	Once the infrared absorption spectrum of a particular substance is known, its infrared absorption peaks can be identified. For the same substance, when the concentration changes, the absorption intensity at a given absorption peak also changes, and this intensity is directly proportional to the concentration. Therefore, by detecting how the gas alters the wavelength and intensity of the light, one can determine the gas concentration.		Once the infrared absorption spectrum of a particular substance is known, its infrared absorption peaks can be identified. For the same substance, when the concentration changes, the absorption intensity at a given absorption peak also changes, and this intensity is directly proportional to the concentration. Therefore, by detecting how the gas alters the wavelength and intensity of the light, one can determine the gas concentration.

	===[[~~Light Sensing System Based on the Photoelectric Effect~~]]===		===[[Humidity Sensor of Graphite]]===
	Team members: Xu Ruizhe, Wei Heyi, Li Zerui, Ma Shunyu		Team members: Xu Ruizhe, Wei Heyi, Li Zerui, Ma Shunyu

Xueqi: /* Magnetic field sensing using a fluxgate magnetometer */

2025-04-28T06:15:42Z

Magnetic field sensing using a fluxgate magnetometer

← Older revision		Revision as of 14:15, 28 April 2025
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	Team members: Ni Xueqi		Team members: Ni Xueqi

	This project investigates magnetic field sensing using a fluxgate magnetometer (FLC100).		This project investigates magnetic field sensing using a fluxgate magnetometer (FLC100). A 5 V supply drives the sensor, and the output is monitored with an oscilloscope. A permanent magnet is modeled in COMSOL and experimentally measured, showing expected distance-dependent field decay. A toroidal solenoid is also studied; due to imperfections, a magnetic field decaying as <math> 1/r^3 </math> outside the toroid is observed. Measurements confirm dipole-like behavior and linear current dependence, demonstrating the fluxgate magnetometer's sensitivity and validating magnetic field modeling.

	A 5 V supply drives the sensor, and the output is monitored with an oscilloscope.

	A permanent magnet is modeled in COMSOL and experimentally measured, showing expected distance-dependent field decay.

	A toroidal solenoid is also studied; due to imperfections, a magnetic field decaying as <math> 1/r^3 </math> outside the toroid is observed. Measurements confirm dipole-like behavior and linear current dependence, demonstrating the fluxgate magnetometer's sensitivity and validating magnetic field modeling.

	===[[CO2 Concentration Detector]]===		===[[CO2 Concentration Detector]]===

Xueqi: /* Magnetic field sensing using a fluxgate magnetometer */

2025-04-28T06:15:21Z

Magnetic field sensing using a fluxgate magnetometer

← Older revision		Revision as of 14:15, 28 April 2025
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	Team members: Ni Xueqi		Team members: Ni Xueqi

	This project investigates magnetic field sensing using a fluxgate magnetometer (FLC100). A 5 V supply drives the sensor, and the output is monitored with an oscilloscope. A permanent magnet is modeled in COMSOL and experimentally measured, showing expected distance-dependent field decay. A toroidal solenoid is also studied; due to imperfections, a magnetic field decaying as <math> 1/r^3 </math> outside the toroid is observed. Measurements confirm dipole-like behavior and linear current dependence, demonstrating the fluxgate magnetometer's sensitivity and validating magnetic field modeling.		This project investigates magnetic field sensing using a fluxgate magnetometer (FLC100).

			A 5 V supply drives the sensor, and the output is monitored with an oscilloscope.

			A permanent magnet is modeled in COMSOL and experimentally measured, showing expected distance-dependent field decay.

			A toroidal solenoid is also studied; due to imperfections, a magnetic field decaying as <math> 1/r^3 </math> outside the toroid is observed. Measurements confirm dipole-like behavior and linear current dependence, demonstrating the fluxgate magnetometer's sensitivity and validating magnetic field modeling.

	===[[CO2 Concentration Detector]]===		===[[CO2 Concentration Detector]]===

Xueqi: /* Magnetic field sensing using a fluxgate magnetometer */

2025-04-28T06:14:35Z

Magnetic field sensing using a fluxgate magnetometer

← Older revision		Revision as of 14:14, 28 April 2025
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	Team members: Ni Xueqi		Team members: Ni Xueqi

	This project ~~uses the~~ fluxgate magnetometer ~~to quantify~~ the ~~magnitude of~~ an ~~external~~ magnetic field ~~generated through coils with varying currents~~ and ~~permanent magnets with varying distances~~.		This project investigates magnetic field sensing using a fluxgate magnetometer (FLC100). A 5 V supply drives the sensor, and the output is monitored with an oscilloscope. A permanent magnet is modeled in COMSOL and experimentally measured, showing expected distance-dependent field decay. A toroidal solenoid is also studied; due to imperfections, a magnetic field decaying as <math> 1/r^3 </math> outside the toroid is observed. Measurements confirm dipole-like behavior and linear current dependence, demonstrating the fluxgate magnetometer's sensitivity and validating magnetic field modeling.

	===[[CO2 Concentration Detector]]===		===[[CO2 Concentration Detector]]===