The voltage sensor value is different from the multimeter
Hello, I measured the voltage of 18650 batteries with a voltage sensor module, and the values seem to be different from the multimeter. The voltage sensor module I used was this module. amazon.com...
View ArticleSensor recommendations
I'm currently using two VL53L1X distance sensors that stopped working out of nowhere. The exact same thing happened with the VL53L0X distance sensors. Here's the link to the VL53L1X sensors i was...
View ArticleSmall MCU with hardware Uart
I was wondering if anyone has any recommendations on any small MCU (preferably something I can program with arduino, like the attiny85) that has a built in Uart. I've been over the options like using...
View ArticleMAX30102 readings are maxing out at 125 BPM
I have a heartrate and blood oxidation level monitoring circuit using a seeeduino XAIO and a MAX30102 sensor. I am using the code from the following repository: GitHub -...
View ArticleLoad cell is not working
Hello guys, I'm having some problems with my load cell. At first, it looks like is working fine but then I noticed that when my hand gets close to the cell, it changes the values of serial monitor....
View ArticleIncorrect Temperature Reporting on Raspberry Pi 4
Hi, I am using an Arduino Uno and MAX31856 board to controller heater cartridges and to monitor the temperature. The code below runs perfect on my Macbook and my coworker's Windows. We both have...
View ArticleBNO085 troubles
Hello everyone, we have been racking our brains for some time now and can't find the answer for our BNO085 based project. The module reacts to the movement, shaking, but when it goes smoothly and slow...
View ArticleFinally a solution for the Chinese Sound module ZTS-ZS
github.com GitHub - rin67630/ZTS-ZS-Sound-level-Arduino: Finally a working solution for the chinese ZTS-ZS... Finally a working solution for the chinese ZTS-ZS Sound level module... The chinese ZTS-ZS...
View ArticleA3144 Hall Sensor not working as expected
Hi, I do have a small controller which uses a 502J potentiometer for a throttle. It actually gets 3,3v and "returns" the state of throttle. Has 1,65v meaning zero throttle, going up to 3,3v when...
View ArticleBmx055 intermittent
Hi, I recently got a bunch of these cheap (maybe a bit too cheap) IMU sensors: Mine actually have the following text on the pcb itself: CJMCU, CJMCU-9DOF I could not get them to work on my bluepill,...
View ArticleUltrasonic Sensor HCSR-04
Hi everyone, I wonder if you can help me, I have this code below using ultrasonic sensor HCSR-04. My problem is I am only getting a printout of zero on the serial monitor.``` int trigPin = A0; int...
View ArticleNDIR SCD30 CO2 sensor
Anyone used this sensor with Arduino for industrial uses ? I am getting perfect values in my home and open air environment but when I am using it inside an industry environment where co2 value will be...
View ArticleToFFuture XT-S1 Range Finder Distance Measurement
Hello everyone, I am having trouble getting the full range out of the ToFFuture XT-S1 ranging module. I can get to around 12000mm (39ft) without issue, but after that, the sensor jumps to over 65000mm...
View ArticleStrange behaviour from HX711
Hi, So I have recently bought a 100 gram loadcell with a couple of HX711 boards. I wired everything up to an arduino nano with a NRF24L01 module to send the raw values to another nano. When I first...
View ArticleOpto encoder direction using a single wire input
Hello. New here. I have an opto encoder on a brushed motor on an interrupt on a mega and h bridge. All works as it should. I'd like to try to work out the motor direction. I realise my opto encoder...
View ArticleRaindrop sensor‘s four interfaces
Hi,i encounter some difficulty about the raindrop sensor, on the raindrop sensor ,there are 2 pins , and it link to anther device ,like this ,and i want to ask,What do these four interfaces do?sorry i...
View ArticleTLV493D-A1B6 - Bus configuration with multiple sensors
I have followed the Infineon-TLV493D-A1B6 3D Magnetic Sensor UserManual V. 1.03 to establish Bus configuration with multiple sensors, 3 TLV493D-A1B6 Sensors to be precise. The 3 Sensors are connected...
View ArticleAnemometer suggestions without moving parts
Are there any anemometers without moving parts for Arduino that have really low resolution? (0.01 m/s) The only ones I have found are by Renkeer and they are hard to get by where I am as they only...
View ArticleStrain gauge drafting
Is there any way to remove or decrease draft while using strain gauges? 2 posts - 2 participants Read full topic
View ArticleTtp223 - Extend touch range
Hi I'm re-posting this topic because nobody wrote an answer, and i think is a very common question. First of all, @ max574984759845, may be the solution is to remove the capacitor C1 in your board...
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