Questions tagged [sensor]
Sensors convert a physical quantity (e.g. temperature, pressure) into an electrical signal.
3,310 questions
6 votes
1 answer
225 views
Does a MEMS gyroscope exceeding its maximum rate in one axis make measurements in the other axes unreliable?
Let's say I have a 3-axis gyroscope like the ICM-42688-P with a maximum rotation rate of 2000 dps. If I spin it around at 10000 dps in the z-axis, can I expect the x and y axes to still function ...
-1 votes
1 answer
61 views
How to model and simulate a PCB Rogowski coil (two-halves type) with equivalent circuit in SPICE?
I’m currently trying to simulate a Rogowski coil implemented on a PCB, before moving to hardware design. The goal is to understand its electrical behavior — induced voltage, bandwidth, and the effect ...
1 vote
3 answers
142 views
What is the designation near the u11 chip (marked in gray)
This diagram is from The Wearable Electronic Customizable Device for Monitoring Activity Indicators. Volume 6, Issue 5 . The system consists of a number of discrete off the shelf modules, which ...
1 vote
1 answer
79 views
Leak Sensor circuit Design
I am building a water leak detection sensor using some probes I found on the internet. I want to use a comparator to indicate when a leak has been detected (probes are shorted due to water contact). ...
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2 votes
2 answers
162 views
Small distance measurement for calibration
I am building a linear actuator that requires measuring the distance between two parts, as shown in the following picture with simplified schematics. It utilizes a NEMA17 stepper motor. Distance ...
- 193
0 votes
2 answers
85 views
The voltage reading from a Type K Thermocouple Sensor on a RIGOL digital multimeter does not correspond to the measured temperature
I am using a RIGOL DM3058E digital multimeter to read from a Type-K thermocouple. This is a standard thermocouple that plugs into a multimeter. I am confused about the voltage reading I am seeing when ...
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-1 votes
1 answer
101 views
Unidentified 100x Scaling Factor in Oscilloscope Frequency Reading
The oscilloscope waveform was generated via excel, where the actual oscilloscope readings were captured in a tabular form and then converted into an Excel graph. The readings were taken from an Eaton ...
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-1 votes
1 answer
101 views
Radiation Sensor interface to ADC of CC1352P
I will be using this radiation sensor in my project. The schematic is given below. May I know can I connect the output of this sensor to ADC of CC1352P. The working voltage of CC1352P is 3.3V. If ...
- 4,047
3 votes
1 answer
97 views
Meaning of "High first-out"
I'm a beginner in embedded programing. I want to play with ESP32 and the DHT11 to read the temperature of a room. The DHT11 Datasheet said: DATA is used for communication between the microprocessor ...
- 133
0 votes
0 answers
67 views
PID yaw control issue with MPU6050 – orientation jumps at ±180°
I’m working on a self-balancing robot using an MPU6050 with DMP for yaw/pitch/roll data. Right now, I read the yaw angle using: ...
- 57
0 votes
1 answer
130 views
Where is the sensor on this circuit board that reads the temperature [closed]
I found this post: Slow rise time for a temperature sensor I have the same problem. I don't think mine even has a hole for the sensor, which is even more crazy. Why on earth didn't they go with the ...
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0 votes
0 answers
39 views
Guidance on prototyping with PPG sensors and pressure cuff systems
I’m working on a project that involves integrating a PPG (photoplethysmography) sensor with a pressure cuff system for measurements on extremities. This is for an academic project, not for clinical or ...
1 vote
1 answer
72 views
Settling FlexiForce circuit once and for all
I’ve seen a few related questions on here about the Tekscan FlexiForce sensors , but most threads never end with final circuit. Hoping we can settle this once and for all. 1. The Problem The A201 ...
1 vote
2 answers
127 views
Multiple thermocouples reading issues
I need help tackling intermittent jitter / cross coupling on multiple transmitters thermocouple loops. Multiple K-type thermocouples (8), one per transmitter. Transmitter SW-TK18: transmitterK input, ...
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-1 votes
1 answer
103 views
How to read thermopile (ZTP-115) with ADC directly?
I have 3 IR temperature sensors (thermopiles), ZTP-115. I know there is a "standard" circuit for reading their values, similar to the one below. It's usually published without any detail, ...
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