October Code Challenge (Sponsor: Programming Research)

Ready to put your programming skills to the test? Take the new Electrical Engineering Challenge (sponsored by Programming Research). Find the error in the code for a shot to win prizes, such as an Amazon Gift Card, a Circuit Cellar magazine digital subscription, or a discount to the Circuit Cellar webshop.

The following program will compile with no errors. It runs and completes with no errors.

Click to enlarge. Find the error and submit your answer via the online submission form below. Submission deadline: 2 PM EST, October 20.

Take the challenge now!

September Schematic Challenge (Sponsor: Technologic Sysetms)

Can you spot the error in this month’s schematic challenge (sponsored by Technologic Systems)? This your chance to put your technical skills to test. Find the error in the schematic for a shot to win prizes, such as a TS-7250-V2 High-Performance Embedded Computer or a Circuit Cellar Digital Subscription.

Click to enlarge. Find the error and submit your answer via the online submission form.

Click to enlarge. Find the error and submit your answer via the online submission form.

Take the challenge now!

September Code Challenge (Sponsor: Programming Research)

Ready to put your programming skills to the test? Take the new Electrical Engineering Challenge (sponsored by Programming Research). Find the error in the code for a shot to win prizes, such as an Amazon Gift Card, a Circuit Cellar magazine digital subscription, or a discount to the Circuit Cellar webshop.

The following program will compile with no errors. It will crash when run. This is an example of working with link lists. The output should be:

LinkedList : 4321

LinkedList in reverse order : 1234

Click to enlarge. Find the error and submit your answer via the online submission form below. Submission deadline: 2 PM EST, September 20.

Click to enlarge. Find the error and submit your answer via the online submission form below. Submission deadline: 2 PM EST, September 20.

Take the challenge now!

August Code Challenge (Sponsor: Programming Research)

Ready to put your programming skills to the test? Take the new Electrical Engineering Challenge (sponsored by Programming Research). Find the error in the code for a shot to win prizes, such as an Amazon Gift Card or a Circuit Cellar magazine digital subscription.


The following is a sample piece of code that has a subtle programming error that would cause the software to fail. This code is a C++ language program but written as a function.

Specification: The program does a bubble sort for a list (array) of numbers. That means that it takes a list of numbers like this: 5 23 7 1 9 and turns it into 1 5 7 9 23.

Click to enlarge. Find the error and submit your answer via the online submission form below. Submission deadline: 2 PM EST, July 20.

Click to enlarge. Find the error and submit your answer via the online submission form below. Submission deadline: 2 PM EST, July 20.

Take the challenge now!

August Schematic Challenge (Sponsor: Technologic Sysetms)

Can you spot the error in this month’s schematic challenge (sponsored by Technologic Systems)? This your chance to put your technical skills to test. Find the error in the schematic for a shot to win prizes, such as a TS-7250-V2 High-Performance Embedded Computer or a Circuit Cellar Digital Subscription.

Click to enlarge. Find the error and submit your answer via the online submission form.

Click to enlarge. Find the error and submit your answer via the online submission form.

Take the challenge now!

New Schematic Challenge (Sponsor: Technologic Sysetms)

Can you spot the error in this month’s schematic challenge (sponsored by Technologic Systems)? This your chance to put your technical skills to test. Find the error in the schematic for a shot to win prizes, such as a TS-7250-V2 High-Performance Embedded Computer or a Circuit Cellar Digital Subscription.

Find the error and submit your answer via the online submission form. Click to access the form.

Click to enlarge. Find the error and submit your answer via the online submission form.

Take the challenge now!

Find the Code Error: Take This Engineering Challenge (Sponsor: Programming Research)

Ready to put your programming skills to the test? Take the new Electrical Engineering Challenge (sponsored by Programming Research). Find the error in the code for a shot to win prizes, such as an Amazon Gift Card or a Circuit Cellar magazine digital subscription.

Click to enlarge. Find the error and submit your answer via the online submission form.

Click to enlarge. Visit the challenge page to access the submission form.

Take the challenge now!

June Engineering Challenge: Find the Schematic Error

 

Find the error.

Find the error in this  schematic. Submit your answer via the online form by the 20th of the month.

The June Electrical Engineering Challenge (sponsored by Technologic Systems) is now live! Review the schematic on the challenge webpage and find the error for a chance to win prizes, such as a TS-7250-V2 High-Performance Embedded Computer or a Circuit Cellar Digital Subscription.

SUBMIT YOUR ANSWER

Circuit Cellar’s technical editors purposely inserted an error in the schematic diagram. It could be a design error, symbol-related error, value error (e.g., 10k vs 100k), incorrect part usage, or some other problem that negatively affects the electronics. Find the error and submit your answer via the online form by the deadline (2 PM EST on the 20th of the month).

TS7250-V2

TS7250-V2

Circuit Cellar will randomly select winners from the pool of respondents who submit the correct answer. For more information, read the Rules, Terms, & Conditions.

May Engineering Challenge: Find the Schematic Error

Challenge 2 for web

The May Electrical Engineering Challenge (sponsored by Technologic Systems) is now live! Review the schematic on the challenge webpage and find the error for a chance to win prizes, such as a TS-7250-V2 High-Performance Embedded Computer or a Circuit Cellar Digital Subscription.

Circuit Cellar’s technical editors purposely inserted an error in the schematic diagram. It could be a design error, symbol-related error, value error (e.g., 10k vs 100k), incorrect part usage, or some other problem that negatively affects the electronics. Find the error and submit your answer via the online form by the deadline (2 PM EST on the 20th of the month).

TS7250-V2

TS7250-V2

Circuit Cellar will randomly select winners from the pool of respondents who submit the correct answer. For more information, read the Rules, Terms, & Conditions.

April Engineering Challenge: Find the Schematic Error

The April Electrical Engineering Challenge (sponsored by Technologic Systems) is now live! Review the schematic on the challenge webpage and find the error for a chance to win prizes, such as a TS-7250-V2 High-Performance Embedded Computer or a Circuit Cellar Digital Subscription.

Click to enlarge. Find the error in this schematic and submit your answer by the 20th of the month.

Click to take the Challenge. Find the error in this schematic and submit your answer by the 20th of the month.

Circuit Cellar’s technical editors purposely inserted an error in the schematic diagram. It could be a design error, symbol-related error, value error (e.g., 10k vs 100k), incorrect part usage, or some other problem that negatively affects the electronics. Find the error and submit your answer via the online form by the deadline (2 PM EST on the 20th of the month).

TS7250-V2

Technologic Systems TS-7250-V2

Circuit Cellar will randomly select winners from the pool of respondents who submit the correct answer. For more information, read the Rules, Terms, & Conditions.

Electrical Engineering Challenge: September Winners (Sponsored by NetBurner)

The answer to the September Electrical Engineering Challenge is now live. Congratulations to the winners: John Barraclough (United Kingdom) and Pieter Willemsen (Belgium).

The error is in line 28. There needs to be a second open parenthesis.

The next Challenge launches on October 1, 2015. Good luck!