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Questions tagged [sensor]

Sensors convert a physical quantity (e.g. temperature, pressure) into an electrical signal.

2 votes
2 answers
148 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 ...
Humphrey Appleby's user avatar
0 votes
2 answers
80 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 ...
Pablo Soler's user avatar
0 votes
1 answer
83 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 ...
INV75's user avatar
  • 9
-1 votes
1 answer
90 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 ...
Confused's user avatar
  • 4,001
3 votes
1 answer
95 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 ...
glacier's user avatar
  • 133
0 votes
0 answers
66 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: ...
Wahyu Dwi's user avatar
0 votes
1 answer
123 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 ...
Jay Tay's user avatar
  • 31
0 votes
0 answers
37 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 ...
Edward G.'s user avatar
1 vote
1 answer
71 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 ...
L'orealMenExpert's user avatar
1 vote
2 answers
118 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, ...
Shamooooot's user avatar
-1 votes
1 answer
93 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, ...
larts's user avatar
  • 21
1 vote
0 answers
55 views

Connecting a 4-20mA loop - grounding

I am looking for best practices in connecting a strain gauge amplifiers (SGA) 4-20mA output signal to a PLC. The SGA's datasheet lists two different ways of connection - sink and source: The PLC's ...
stiii's user avatar
  • 19
0 votes
0 answers
44 views

How do I connect pins if we don't use certain pins in TPS8802DCPR

I was using TPS8802DCPR in one my designs. I was wondering how do I connect VBST and VLX pins if the boost converter is not used. In data sheet's pin description, it says "Boost converter ...
Abhi's user avatar
  • 1
1 vote
1 answer
71 views

How to get SICK TBS temperature sensor to output analog signal?

I'm doing a PLC program using Schneider's M340 (24V) and trying to get a temperature sensor to output continuously the current room temperature. The connection diagram of M12 cable says that the ...
Ziran Xu's user avatar
4 votes
4 answers
435 views

Unexpected DC offset at output of sensor amplifier

I'm experimenting with a wire boundary detector inspired by this: https://community.robotshop.com/blog/show/diy-perimeter-wire-generator-and-sensor. Here my schematic: So I have a transmitter pushing ...
Felice Pollano's user avatar

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