# Product Design **URL:** https://forum.arduino.cc/c/other-hardware/product-design/36.md?page=1 [Latest](https://forum.arduino.cc/latest.md) · [Categories](https://forum.arduino.cc/categories.md) **Page:** 2 --- ## [Will this work for Halloween decoration?](https://forum.arduino.cc/t/will-this-work-for-halloween-decoration/1311216)
**Author:** [@natas908](https://forum.arduino.cc/u/natas908)\ **Replies:** 15\ **Last updated:** [October 16, 2024, 6:54am UTC](https://forum.arduino.cc/t/will-this-work-for-halloween-decoration/1311216 "2024-10-16T06:54:32Z")
I have the nano ESP32 and I am looking to have a movement sensor to trigger a sequence of events, firstly activating a servo, then activating a pond pump and a strip of LED black lights, letting them run for 15-20 second… --- ## [Advice on EMG sensor as Controllers](https://forum.arduino.cc/t/advice-on-emg-sensor-as-controllers/1311780)
**Author:** [@qpurr](https://forum.arduino.cc/u/qpurr)\ **Replies:** 0\ **Last updated:** [October 16, 2024, 4:51am UTC](https://forum.arduino.cc/t/advice-on-emg-sensor-as-controllers/1311780 "2024-10-16T04:51:45Z")
Hello. I am making a project where Electromyograph(EMG) muscle sensor is used as a substitute for traditional joystick controllers such as PS3. Currently using MyoWare2.0 EMG sensor and connected to ESP32 as the microcon… --- ## [Controlling Analog Volume Control from PC](https://forum.arduino.cc/t/controlling-analog-volume-control-from-pc/1311738)
**Author:** [@ghoostknight](https://forum.arduino.cc/u/ghoostknight)\ **Replies:** 2\ **Last updated:** [October 16, 2024, 1:47am UTC](https://forum.arduino.cc/t/controlling-analog-volume-control-from-pc/1311738 "2024-10-16T01:47:55Z")
Hello, im building a analog volume control for my hifi system and i would like to connect the mcu that is controlling the relays for attenuation to a PC, so im able to control the volume from PC, do you guys have suggest… --- ## [LED activation by proximity with radio?](https://forum.arduino.cc/t/led-activation-by-proximity-with-radio/1310021)
**Author:** [@EtherealGyre](https://forum.arduino.cc/u/EtherealGyre)\ **Replies:** 5\ **Last updated:** [October 10, 2024, 4:46pm UTC](https://forum.arduino.cc/t/led-activation-by-proximity-with-radio/1310021 "2024-10-10T16:46:41Z")
I am trying to create a device where an LED will start to glow when another object gets within range of it. Sort of like a glowing sword when goblins get close kind of deal. I was thinking that this may be achievable via… --- ## [Advice on ways to cool a 24 well microplate](https://forum.arduino.cc/t/advice-on-ways-to-cool-a-24-well-microplate/1309759)
**Author:** [@marinesci](https://forum.arduino.cc/u/marinesci)\ **Replies:** 8\ **Last updated:** [October 10, 2024, 3:14am UTC](https://forum.arduino.cc/t/advice-on-ways-to-cool-a-24-well-microplate/1309759 "2024-10-10T03:14:00Z")
Hi All, I need to chill embryos that are in water in a 24 well microplate that is mounted on a video microscope system (system size= 18"x18"x17"), and I'm looking for some advice and suggestions on how this might be acc… --- ## [Inductance Meter Project Improvement](https://forum.arduino.cc/t/inductance-meter-project-improvement/1308913)
**Author:** [@costalegre](https://forum.arduino.cc/u/costalegre)\ **Replies:** 0\ **Last updated:** [October 7, 2024, 3:23pm UTC](https://forum.arduino.cc/t/inductance-meter-project-improvement/1308913 "2024-10-07T15:23:57Z")
A few years ago, I built an Inductance Meter posted on\` CircuitDigest.com. Unfortunately, the LED display was erratic in displaying the inductance value. After double checking the circuit and the code and getting nowhere… --- ## [I'm trying to code a program but the lists/arrays are being difficult](https://forum.arduino.cc/t/im-trying-to-code-a-program-but-the-lists-arrays-are-being-difficult/1308712)
**Author:** [@bluebird64551](https://forum.arduino.cc/u/bluebird64551)\ **Replies:** 16\ **Last updated:** [October 8, 2024, 4:16am UTC](https://forum.arduino.cc/t/im-trying-to-code-a-program-but-the-lists-arrays-are-being-difficult/1308712 "2024-10-08T04:16:06Z")
I want a code that can be used to change the setting of a setting, but trying to simplify things a bit, I had some difficulties with making an array, and then changing the array to something else like { 30, 5, 1 } to { 1… --- ## [Building a physical device to control volume levels on tv](https://forum.arduino.cc/t/building-a-physical-device-to-control-volume-levels-on-tv/1307965)
**Author:** [@1esparks855](https://forum.arduino.cc/u/1esparks855)\ **Replies:** 6\ **Last updated:** [October 4, 2024, 5:45pm UTC](https://forum.arduino.cc/t/building-a-physical-device-to-control-volume-levels-on-tv/1307965 "2024-10-04T17:45:06Z")
I would like to build a device that would work with any IR tv not just smart ones. I'd like it to be able for you to have the volume of the tv at your preferred level and when the commercials come on blaring loud or sho… --- ## [Problem using Arduino pulsein function](https://forum.arduino.cc/t/problem-using-arduino-pulsein-function/1307909)
**Author:** [@AlbertHall](https://forum.arduino.cc/u/AlbertHall)\ **Replies:** 3\ **Last updated:** [October 4, 2024, 11:39am UTC](https://forum.arduino.cc/t/problem-using-arduino-pulsein-function/1307909 "2024-10-04T11:39:15Z")
I am using a nano. The input signal is connected to A5. It is an MSF time data signal - high pulses 100ms, 200ms, etc. This is the code I am using with pulsein. #define pulse\_ip A5 uint16\_t pulsetime; void setup() { … --- ## [Need help in Alarm system PCB development](https://forum.arduino.cc/t/need-help-in-alarm-system-pcb-development/1302737)
**Author:** [@ghost06224048](https://forum.arduino.cc/u/ghost06224048)\ **Replies:** 48\ **Last updated:** [October 3, 2024, 11:37am UTC](https://forum.arduino.cc/t/need-help-in-alarm-system-pcb-development/1302737 "2024-10-03T11:37:30Z")
There is an Alarm system contains 3 system which are categorized into following: - Panic Button (key chain)- Upon pressing button it will send message to central system via nearest/specific relay alarm Relay Alarm - up… --- ## [Architecturing a doorway LED project](https://forum.arduino.cc/t/architecturing-a-doorway-led-project/1305290)
**Author:** [@Highfire1](https://forum.arduino.cc/u/Highfire1)\ **Replies:** 9\ **Last updated:** [September 29, 2024, 10:10am UTC](https://forum.arduino.cc/t/architecturing-a-doorway-led-project/1305290 "2024-09-29T10:10:48Z")
Hi all, I'm working on an arduino project that controls a LED light strip around the door of the makerspace at our college. When no one's around, it has a passive pattern, but when someone enters/exists through the door… --- ## [Reading Hex/Binary from PC serial then output](https://forum.arduino.cc/t/reading-hex-binary-from-pc-serial-then-output/1302803)
**Author:** [@eperic](https://forum.arduino.cc/u/eperic)\ **Replies:** 11\ **Last updated:** [September 26, 2024, 8:06pm UTC](https://forum.arduino.cc/t/reading-hex-binary-from-pc-serial-then-output/1302803 "2024-09-26T20:06:05Z")
I have a pc controller at my work that is outputting about 30 hexadecimal bytes repeatedly with the first 9 bytes being control info and the latter being 19 bytes for a message and an end byte for another control charact… --- ## [Seeking advice on new project in the world of arduino](https://forum.arduino.cc/t/seeking-advice-on-new-project-in-the-world-of-arduino/1305312)
**Author:** [@xj12c](https://forum.arduino.cc/u/xj12c)\ **Replies:** 4\ **Last updated:** [September 26, 2024, 12:53pm UTC](https://forum.arduino.cc/t/seeking-advice-on-new-project-in-the-world-of-arduino/1305312 "2024-09-26T12:53:11Z")
Hi I am looking for a little advice or pointing in the right direct. After researching how to mke project happen I have stumbled into the world of arduino. It seems like something that would be perfect but is new terri… --- ## [Help with project](https://forum.arduino.cc/t/help-with-project/1303743)
**Author:** [@988nikolic](https://forum.arduino.cc/u/988nikolic)\ **Replies:** 8\ **Last updated:** [September 24, 2024, 8:14am UTC](https://forum.arduino.cc/t/help-with-project/1303743 "2024-09-24T08:14:26Z")
Hi,everyone. I am new in Arduino world. Is there anyone willing to help with informations about device making, which I am seeking for? I want to make device which will gather data from sensors(gas,humidity/water,tempera… --- ## [Underwater Drone: Microcontroller Dilemma](https://forum.arduino.cc/t/underwater-drone-microcontroller-dilemma/1303840)
**Author:** [@soer8995](https://forum.arduino.cc/u/soer8995)\ **Replies:** 37\ **Last updated:** [September 22, 2024, 7:53pm UTC](https://forum.arduino.cc/t/underwater-drone-microcontroller-dilemma/1303840 "2024-09-22T19:53:23Z")
Hi, I’ve just started working on a larger project involving the development of an underwater towed drone/ROV. I haven’t begun building yet, but I’ve been working on the design. What I’ve come up with is essentially an u… --- ## [Help with how to design a live auctioneer system using Arduino and 433mhz transmitters - new to design and programming - getting started](https://forum.arduino.cc/t/help-with-how-to-design-a-live-auctioneer-system-using-arduino-and-433mhz-transmitters-new-to-design-and-programming-getting-started/1296491)
**Author:** [@jake2901837373](https://forum.arduino.cc/u/jake2901837373)\ **Replies:** 17\ **Last updated:** [August 30, 2024, 11:04am UTC](https://forum.arduino.cc/t/help-with-how-to-design-a-live-auctioneer-system-using-arduino-and-433mhz-transmitters-new-to-design-and-programming-getting-started/1296491 "2024-08-30T11:04:16Z")
Hi, I am searching for a solution to design and program a live auctioneer system that I have been working on. I need to be able to accommodate 12 bidders at one time. I am a novice at Arduino and programming but I am … --- ## [ADVICE NEEDED - Contactor Economiser Circuit](https://forum.arduino.cc/t/advice-needed-contactor-economiser-circuit/1303031)
**Author:** [@leonardo200024](https://forum.arduino.cc/u/leonardo200024)\ **Replies:** 4\ **Last updated:** [September 19, 2024, 9:51pm UTC](https://forum.arduino.cc/t/advice-needed-contactor-economiser-circuit/1303031 "2024-09-19T21:51:41Z")
Hey guys! I was planning on doing a fun lil project though not sure where to start. I think this could be done without an arduino though not sure. A schematic or block diagram would help allot! Objectives -Design a cir… --- ## [Nerf gun target game](https://forum.arduino.cc/t/nerf-gun-target-game/1293030)
**Author:** [@cj3042](https://forum.arduino.cc/u/cj3042)\ **Replies:** 10\ **Last updated:** [August 27, 2024, 1:41pm UTC](https://forum.arduino.cc/t/nerf-gun-target-game/1293030 "2024-08-27T13:41:18Z")
Hi, Fairly new to Arduino but have muddled through a few projects so far. We have been tasked with creating a target game for Nerf style guns and successfully sent out a prototype that uses piezo sensors to trigger a cou… --- ## [Stepper Motor Pulses & 16x2 LCD Screen Challenges](https://forum.arduino.cc/t/stepper-motor-pulses-16x2-lcd-screen-challenges/1300698)
**Author:** [@mishockwave2008](https://forum.arduino.cc/u/mishockwave2008)\ **Replies:** 13\ **Last updated:** [September 16, 2024, 12:22pm UTC](https://forum.arduino.cc/t/stepper-motor-pulses-16x2-lcd-screen-challenges/1300698 "2024-09-16T12:22:31Z")
Hi All, I have a MEGA connected to a TB6600 stepper motor driver. I send pulses to the driver every 33 microseconds (using 1/16 step driver mode). This motor drives a linear actuator that moves outward 87mm and back 87m… --- ## [Help Needed with Capturing Transient Response for Inductor Meter Project](https://forum.arduino.cc/t/help-needed-with-capturing-transient-response-for-inductor-meter-project/1301381)
**Author:** [@engabaswa](https://forum.arduino.cc/u/engabaswa)\ **Replies:** 10\ **Last updated:** [September 15, 2024, 3:14pm UTC](https://forum.arduino.cc/t/help-needed-with-capturing-transient-response-for-inductor-meter-project/1301381 "2024-09-15T15:14:17Z")
Hi everyone, I’m working on a project to measure unknown inductance using an inductor meter. I’m approaching it as a first-order RL system and measuring the output voltage across the resistor R. The input is a fixed pul… --- ## [Coding Partner for Very Small/Easy DIY Medical Equipment Retention Dongle](https://forum.arduino.cc/t/coding-partner-for-very-small-easy-diy-medical-equipment-retention-dongle/1295769)
**Author:** [@t1d](https://forum.arduino.cc/u/t1d)\ **Replies:** 14\ **Last updated:** [September 1, 2024, 7:24am UTC](https://forum.arduino.cc/t/coding-partner-for-very-small-easy-diy-medical-equipment-retention-dongle/1295769 "2024-09-01T07:24:22Z")
I have had to move into an assisted living facility. We wear emergency transmitter dongles that post directly to pagers that the nurses carry. The nurses often forget to leave their pagers for the next shift and take the… --- ## [Certified NFC module](https://forum.arduino.cc/t/certified-nfc-module/1300543)
**Author:** [@Mark81](https://forum.arduino.cc/u/Mark81)\ **Replies:** 7\ **Last updated:** [September 12, 2024, 2:56am UTC](https://forum.arduino.cc/t/certified-nfc-module/1300543 "2024-09-12T02:56:00Z")
Currently, I'm using the cheap NFC reader/write you can find almost anywhere, but none of them come with a certification (RED/FCC at least). For a new project I need to pass the certification tests. I'm aware I can try … --- ## [How do small businesses go about PID, VID and device name?](https://forum.arduino.cc/t/how-do-small-businesses-go-about-pid-vid-and-device-name/1297503)
**Author:** [@mizmiz123](https://forum.arduino.cc/u/mizmiz123)\ **Replies:** 0\ **Last updated:** [September 1, 2024, 8:26pm UTC](https://forum.arduino.cc/t/how-do-small-businesses-go-about-pid-vid-and-device-name/1297503 "2024-09-01T20:26:58Z")
Hi, I've made a device to practice electronic product design. I've used the Arduino IDE to program the SAMD21 microcontroller board and PyQt6 for the GUI to change the settings. I understand that you can edit the .boar… --- ## [How to move forward with updating/redesigning a project](https://forum.arduino.cc/t/how-to-move-forward-with-updating-redesigning-a-project/1296842)
**Author:** [@smocksam](https://forum.arduino.cc/u/smocksam)\ **Replies:** 9\ **Last updated:** [August 31, 2024, 8:40am UTC](https://forum.arduino.cc/t/how-to-move-forward-with-updating-redesigning-a-project/1296842 "2024-08-31T08:40:37Z")
I'm somewhat at a loss as to how I should progress and thought I'd ask here for some advice. I have some boards that a friend and I developed in the early 2000's using Mega-8's. This was before Arduino was even a thing… --- ## [Best GPS module](https://forum.arduino.cc/t/best-gps-module/1296197)
**Author:** [@tmillner](https://forum.arduino.cc/u/tmillner)\ **Replies:** 7\ **Last updated:** [August 28, 2024, 7:04pm UTC](https://forum.arduino.cc/t/best-gps-module/1296197 "2024-08-28T19:04:20Z")
I am working on a project where I need to find the distance between two arduinos. I was attempting to do this with RF transceivers and have found that method will not work. I now want to try to solve my project with GPS … --- ## [Creating a standalone arduino that requires serial communication](https://forum.arduino.cc/t/creating-a-standalone-arduino-that-requires-serial-communication/1295075)
**Author:** [@giova240](https://forum.arduino.cc/u/giova240)\ **Replies:** 23\ **Last updated:** [August 28, 2024, 1:50am UTC](https://forum.arduino.cc/t/creating-a-standalone-arduino-that-requires-serial-communication/1295075 "2024-08-28T01:50:40Z")
Hi there! I am developing some panels for flight simulator. I would like to eventually sell these so I want to create a prototype with pretty much an embedded arduino. Prototype was made with an arduino mega, but I want… --- ## [Help needed: Photo eye sensor connection to arduino](https://forum.arduino.cc/t/help-needed-photo-eye-sensor-connection-to-arduino/1295276)
**Author:** [@gmhogan1](https://forum.arduino.cc/u/gmhogan1)\ **Replies:** 5\ **Last updated:** [August 26, 2024, 1:12am UTC](https://forum.arduino.cc/t/help-needed-photo-eye-sensor-connection-to-arduino/1295276 "2024-08-26T01:12:00Z")
I am currently working on a senior design project, we are to build a automated barcode dispenser and applicator. I want to know how I can connect this photo eye senor to the Arduino. It is a ULINE photo eye senor assemb… --- ## [Microprocessor-controlled life function simulator](https://forum.arduino.cc/t/microprocessor-controlled-life-function-simulator/1294654)
**Author:** [@davidosk](https://forum.arduino.cc/u/davidosk)\ **Replies:** 15\ **Last updated:** [August 25, 2024, 4:27pm UTC](https://forum.arduino.cc/t/microprocessor-controlled-life-function-simulator/1294654 "2024-08-25T16:27:44Z")
I have a work project: Design and implement a life function simulator controlled by an Arduino or similar microprocessor. The system must allow simulation of at least 1 ECG lead, simulation of the IBP signal pressure wav… --- ## [A machine that drops water, could anyone give me some pointers?](https://forum.arduino.cc/t/a-machine-that-drops-water-could-anyone-give-me-some-pointers/1288337)
**Author:** [@undermost3183](https://forum.arduino.cc/u/undermost3183)\ **Replies:** 8\ **Last updated:** [August 20, 2024, 12:26am UTC](https://forum.arduino.cc/t/a-machine-that-drops-water-could-anyone-give-me-some-pointers/1288337 "2024-08-20T00:26:09Z")
Hello bros, I would like to create a machine where someone puts a water bottle and then 10 drops of a syrup drop into the bottle after a sensor sensed the bottle. I have more ideas but this is a first step. I'm very ne… --- ## [WT32-ETH01 TCP Client](https://forum.arduino.cc/t/wt32-eth01-tcp-client/1292791)
**Author:** [@adtosse](https://forum.arduino.cc/u/adtosse)\ **Replies:** 4\ **Last updated:** [August 17, 2024, 5:06pm UTC](https://forum.arduino.cc/t/wt32-eth01-tcp-client/1292791 "2024-08-17T17:06:04Z")
Hi I trying to implement a TCP Client on a WT32-ETH01 board. I want to use the RJ45 port. I have installed espressif´s board in board manager. if i use a example sketch ( Ethernet \> LAN8720 ) i have connection to "the w… [Previous page](https://forum.arduino.cc/c/other-hardware/product-design/36.md) [Next page](https://forum.arduino.cc/c/other-hardware/product-design/36.md?page=2)