Soil PH "homemade" sensor - Sensors - Arduino Forum
2015年6月5日 · You will also need to do temperature compensation as the approximate output of 60mV per pH unit is temperature dependent and what might look like a pH change, might actually be temperature changing. The standard lab technique for soil pH involves making up a suspension os 1 part soil in 2 parts deionised water.
Soil pH sensor - Sensors - Arduino Forum
2017年10月8日 · Soil pH sensor and arduino. General Guidance. 7: 2930: May 13, 2024 pH level sensor connected to an ...
Soil pH sensor and arduino - General Guidance - Arduino Forum
2023年11月14日 · But instead of messaging some dude on whatsUp I’d just buy one of those cheap 3-in-1 sensors they use (the green one), and then a cheap ph water sensor for Arduino and fuse them together (run leads from the soil sensors ph electrode to the control board of the water ph sensor). After all, that’s apparently what they did :).
I need help with soil ph sensor and RS485 - Arduino Forum
2024年5月13日 · Hi, i am working on a final project of mine and im stuck on this soil pH sensor part that i have. The readings that is showing in my serial monitor are Soil pH: -614.7 Soil pH: -25.8 Soil pH: -0.7 Soil pH: 3276.7 Soil pH: -168.1 Soil pH: -308.5 Soil pH: -819.3 Soil pH: -284.9 Soil pH: -52.9. The sensor that i have is a soil ph sensor with RS-485 output. Here is my …
Arduino pH Sensor for Soil - General Guidance - Arduino Forum
2019年11月12日 · Then, we will use this value to compare to a neutral soil pH which is 7. If the soil is alkaline, then we will need to lessen the pH by delivering a sulfur. If the soil is acidic, then we will increase its pH by delivering an oyster shell flour. (These will be done by using a servo as a container opener) We will use Arduino R3 and a pH sensor.
Soil Sensor 7 in 1 using an Arduino UNO
2024年1月24日 · Hi, I´m a beginner in these topics, and I have to work with and a soil sensor that measure 7 parameters, I only receive the sensors and I don´t have any information about it, but I am using a code and I only have a value of 255 in all the them, also I don´t give attention with the OLED monitor part now, because i want to make it work first, I hope that someone could help …
Need Help with soil pH sensor RS485 - Sensors - Arduino Forum
2023年12月28日 · Hi, i am working on a capstone project of mine and im stuck on this soil pH sensor part that i have. The readings that is showing in my serial monitor are all "Soil ph: 25.5" and it isnt changing at all. The sensor that i have is a soil ph sensor with RS-485 output. This is my code: #define RE 8 #define DE 7 const byte ph[] = {0x01, 0x03, 0x00, 0x0d, 0x00, 0x01, …
RS485 Soil NPK Sensor Calibration - Sensors - Arduino Forum
2024年9月16日 · Hi everyone, I'm currently working on a project that involves using an NPK sensor via RS485 Modbus communication. Based on the sensor's user manual, the calibration formula for the sensor is Y = AX + B, where: Y is the calibrated value (the output I need after calibration), X is the raw reading from the sensor, A is the coefficient (slope) for each …
Need help configuring soil ph sensor with rs485 output
2023年12月26日 · I have a soil pH sensor with rs485 output that is connected to MAX485 and ESP32. I'm having a bit of a problem as the serial monitor doesn't show the correct value (Just random characters that is not supposed to be showing) This is the Datasheet for the sensor and this is my code: #include <ModbusMaster.h> #define RE 5 // GPIO 5 #define DE 6 // GPIO 6 …
Soil pH sensor code help - Programming - Arduino Forum
2023年12月9日 · Hi everyone, recently I was able to code the soil pH sensor using aarudino mega 2560 by the help of this forum. I just want to know how to code if I am using two soil pH sensor. This is the code for 1 soil pH sensor that is working: #include <SoftwareSerial.h> #define RE 43 #define DE 41 const uint32_t TIMEOUT = 500UL; const byte PH[] = {0x02, 0x03, 0x00, 0x03, …