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Problem with OBD II fuel sensing

 by normanmedi ¦  Mon Sep 17, 2018 3:44 am ¦  Forum: Forum ¦  Topic: Problem with OBD II fuel sensing ¦  Replies: 0 ¦  Views: 1410

I am working with a board that is intended to receive fuel level data from an OBD II port and send the data through a Bluetooth connection to a mobile app. The problem is that the board gets connected to OBD and all commands work except the fuel level. I transmit commands and I get NODATA answer Mea...

How to resolve light flickering in Arduino PWM design

 by normanmedi ¦  Fri Aug 18, 2017 5:07 pm ¦  Forum: Arduino ¦  Topic: How to resolve light flickering in Arduino PWM design ¦  Replies: 1 ¦  Views: 657

Hello everyone, I would like to know if anyone can help me with the problem I am having with my PWM design with Arduino nano. I want to design a PWM dimmer with 20KHz on Pin 9 of Arduino nano 328. I want the resolution to be 256. I also want to use PWM on other pins using "analog write" instruction....

Locking design files in Altium

 by normanmedi ¦  Mon Jul 24, 2017 2:52 am ¦  Forum: Forum ¦  Topic: Locking design files in Altium ¦  Replies: 0 ¦  Views: 3080


Does anyone have experience in locking design files in Altium? There is an Altium option through File management, I checked it and it did not work. I would appreciate if some one could guide me on that.


regarding BLK-MD-BC08-A

 by normanmedi ¦  Thu Feb 23, 2017 5:53 pm ¦  Forum: Forum ¦  Topic: regarding BLK-MD-BC08-A ¦  Replies: 0 ¦  Views: 1941

Hello everyone, I am looking for the datasheet of a sound amplifier BLK-MD-BC08-A, I have not been able to find the datasheet of this component. There are some modules like the following that make use of this component, but there is no information about the component itself. Can any one help me with...

EInk display 3.5"

 by normanmedi ¦  Sun Feb 19, 2017 3:02 pm ¦  Forum: Forum ¦  Topic: EInk display 3.5" ¦  Replies: 0 ¦  Views: 1913

I want to send some data from my mobile to an EInk display 3.5" via Bluetooth. Can anyone guide me on that? The existing driver board for this model has just USB port.

text messaging via wifi to ios devices

 by normanmedi ¦  Sat Feb 18, 2017 4:41 pm ¦  Forum: Wireless/RF ¦  Topic: text messaging via wifi to ios devices ¦  Replies: 0 ¦  Views: 582

I would like to know if anyone can help me with a design for sending messages to all ios devices via Wifi. This device will be able to send out an initial broadcast message to nearby smartphones at 10-100 meter distance and ask them if they would like to receive a message, coupon, special offer or i...

How to replace a potentiometer with capacitive touchpad

 by normanmedi ¦  Sat May 14, 2016 8:38 am ¦  Forum: SparkFun Product Questions ¦  Topic: How to replace a potentiometer with capacitive touchpad ¦  Replies: 2 ¦  Views: 601

Hi, everyone, I have a PCB with one ordinary slider potentiometers and I want to replace it with a 512 step Sparkfun capacitive touchpad (AN0040). Can anyone guide me on that? I do not know how I can do this and I am in need of help and assistance by someone who is skilled on it.

Carbon Layer

 by normanmedi ¦  Thu May 05, 2016 4:34 am ¦  Forum: Forum ¦  Topic: Carbon Layer ¦  Replies: 0 ¦  Views: 2362

Hi, I want to use carbon layer in my Cad soft Eagle design. I used layer bFinish (layer 33) forthe carbon layer, but when I sentgerber files for the manufacturer they told me that the layer was not included. I used Gerber viewer to make sure that the layer is included and it shows the layer I have c...

Problem with remoteThermometer with PT100

 by normanmedi ¦  Sun Mar 27, 2016 7:05 am ¦  Forum: Forum ¦  Topic: Problem with remoteThermometer with PT100 ¦  Replies: 1 ¦  Views: 2480

Hello everyone, I have a problem with remote temperature sensing using PT100 and pic16F877A and I hope that someone can help me. The problem is that in my design, PT100 is supposed to be at a distance of over 100m from the main pic board. The board is a standard temperature meter using pic16F877A wi...

converting from Altium to Eagle

 by normanmedi ¦  Mon Mar 07, 2016 11:59 pm ¦  Forum: PCB Design Questions ¦  Topic: converting from Altium to Eagle ¦  Replies: 1 ¦  Views: 865

Hello, The engineers in my company have been using Altium but I decided to purchase Eagle and carry on with Eagle from now on. However, I can not find how to import the Altium projects. Can you help?
Best regards

Re: problem with schematic transfer to pcb in Altium designe

 by normanmedi ¦  Tue Feb 23, 2016 1:14 am ¦  Forum: Forum ¦  Topic: problem with schematic transfer to pcb in Altium designer ¦  Replies: 2 ¦  Views: 3209

Dear Ross Hello and thank you for your reply. I am currently using a Dell Optiplex 360 desktop computer with a windows 8.1 system on it, and I doubt if there is a compatibility issue of Altium with the graphic card or the DirectX version of the computer. As I have checked, Altium works on any Dell i...

problem with schematic transfer to pcb in Altium designer

 by normanmedi ¦  Tue Feb 16, 2016 1:10 am ¦  Forum: Forum ¦  Topic: problem with schematic transfer to pcb in Altium designer ¦  Replies: 2 ¦  Views: 3209

I have a problem with the schematic transfer to pcb in Altium designer software. In some computers, when I want to go from the schematic of a design to its pcb design, it doesn't work, i.e., the windows gets white and nothing appears on the Altium windows. This problem appears on some computers and ...