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Electromagnetic wave detection sensor
Saya membeli sensor ini, adakah yang bisa membantu saya terkait menampilkan nilai medan magnet dan medan listrik dari sensor ini dan adakah library yang mendukungnya 3 posts - 3 participants Read full...
View ArticleSTM32F303K8 analog input and PWM is not working
Hi all, i'm currently working with STM32F303K8 microcontroller with Arduino IDE and i just want to read the analog input from potentiometer and write that analog value to PWM output (simply control...
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KY-038 Microphone not 'detecting' any sound
Hello, i just installed a KY-038 sound sensor on my ESP32 S3 on GPIO 9 Scematics: the GND and +3.3V are connected to the 3.3V output of one of my ZK-5AD motor drivers. and another GND to the ESP32S3...
View ArticleRTC Time Synchronization with a GPS & Calibrating the DS3231 Aging Offset...
The latest in our series of sensor calibration tutorials introduces a method for synchronizing RTCs for multi-unit deployments. Clocks are sync’d the leading edge of a GPS time-pulse and the Aging...
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NPK Sensor Recommendations
I'm looking for a reliable NPK sensor to use with an Arduino/ESP32. Who here has gotten an NPK sensor to actually work? And which vendor did you use? The one I have, here is from AliExpress about 18...
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How to write to I2C MCP4716
I'm trying to write to the 0x00 I2C register in the MCP4716 but I'm way lost trying to build the command link because it needs to right/left shift the bits and I don't understand it. 3 posts - 2...
View ArticleSTM32 with DHT22
i am using usb to program stm32 for blink code i insert binary pc13 was working but when i was try to run dht22 it was fail to read the sensor why 1 post - 1 participant Read full topic
View ArticleLS7366R Index Pulse Configuration as Counter Reset: Counter Value Stuck at 0
Hi everyone, I'm working with the LS7366R quadrature decoder/counter IC and trying to configure it so that the index pulse resets the counter value to zero with each rotation. However, when I enable...
View ArticleHow to connect three proximity sensors to Arduino uno
Hello. I need one capacitive proximity sensor and two inductive proximity sensors for my Arduino project. The sensors need 6-36 V to work and I know that Arduino works with 5 V. How do I connect all...
View ArticleHow to solve the problem of monitoring the yaw angle
hi guys ,I have made a robot arm to simulate hand movement ,and I already have made it rotate according to the pitch angle and roll angle by MPU6050,and now i want to deal with the yaw angle ,could...
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Using AD4895 Thermocouple Amplifiers with Arduino Mega
Hi everyone, I am using an AD4895 thermocouple amplifier to read a K type thermocouple. I have it connected as follows in my circuit (attached to this post). I am getting temperature readings of...
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Hello guys, I need to create a arduino project using the 3 in 1 soil sensor...
Here is the sensor that I want to use: CTTO- I have same project anyone can help me ? 8 posts - 5 participants Read full topic
View ArticleLm35 stuck at 0 degrees
i used an LCD screen with an lm35 sensor and the temp. readings are SOOO wrong and this is not about the lcd screen i tested the lm35 on the serial monitor and its overly high like 35 degrees or 0...
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Mosfet encoder needs a pull up resisitor?
I need to access this encoder with the schematic below. It is Open Collector Output but with a mosfet instead of a typical transistor. Do I need a pull up resistor for this and of what value? Can I...
View ArticleS type load cell amplifier
Hi Guys i want to use an S type load cell CZL 301 S Type Loadcell | Buy Best CZL Loadcell Dealer Seegate Loadcell any suggestions what tyoe of amplifier should i use since its excitation voltage is...
View ArticleReading the Plantower PMS7003 particle sensor (Unrealistic high values)
I am trying to read the Plantower PMS7003 and DHT22 (Relative Humidity and Temperature) sensors using ESP32 and upload the data to 2 Thingspeak channels using WiFi. After several readings, the code...
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Debugging DS18B20 Sensor on a Leonardo
Hello All, I wanted to share my experience using the DS18B20 sensor, as it took me a few hours to actually get it up and running. I hope this helps someone that is struggling like I was. First, the...
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DS18B20 not working reliably on Nano ESP32
Hi all, I've a strange problem with using two DS18B20 sensors on the Nano ESP32. I'm using the following circuit (the buzzer is not connected atm): And here are some pictures of my board: Finally,...
View ArticleCopy value of A0 to const char text[] = " int sensorValue";
Sorry I am an old man with interest in the Arduino. I would like to show the value of A0 to the display UNO R4, but how do I convert an int to text ? 5 posts - 4 participants Read full topic
View ArticleEmg sensor value max to min
emg sensor value max to min What caused it? 2 posts - 2 participants Read full topic
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