Blog

Op-Amp-a-Palooza prize received

2022-08-06T11:56:00Z

I had to wait for quite a long time, the shipments came to Bangladesh on 12th July but I got the customs clearance on 2nd August. I would like to thank tariq.ahmadfor his support and cooperation. The project "Breathing Amp" was based o...(read more)

Op-Amp-a-Palooza Prize Pack

2022-07-05T18:47:00Z

Late last week I received an email that I had a pair of packages inbound from element14. Based on the listed weights, I knew it was most likely my prizes from the Project14, Op-Amp-a-Palooza contest. Here is a picture of the contents of t...(read more)

Op-Amp Based Adjustable Load

2022-05-02T11:09:00Z

Op-Amp Based Adjustable Load Table of Contents 1. Introduction 2. How it works 3. Plan 4. Build User interface Electronics Final setup test 5. Code 6. Finished look 7. Testing Bench PSU test LiPo cell test Buck converter test 8. Summary 1. ...(read more)

Breathing AMP

2022-05-01T18:43:00Z

Inhale!!! Exhale!! Inhale … Exhale …… Take a deep breath, yeah you can feel it – air pumping in and pushing out from your lungs. Wait… what if we could visualize it!! Like in terms of electrical signals And here come...(read more)

Spectrophotometer for chemical analysis(Proof of Concept)

2022-05-01T12:22:00Z

My project idea is to create an affordable Spectrophotometer for chemical analysis. Block Diagram of the project Brief Explanation of the Project Chemical samples are analyzed through the photodiode and light source, The photodiode signal...(read more)

Adding additional capabilities to my KORG volca modular synthesizer and learning about Op-Amps at the same time. Part 4 - Making Connection and Playing a Song.

2022-04-29T19:11:00Z

In my prior Op-Amp-a-Palooza posts: /challenges-projects/project14/opampapalooza/b/blog/posts/adding-additional-capabilities-to-my-korg-volca-modular-synthesizer-and-learning-about-op-amps-at-the-same-time /challenges-projects/project14/opampapalooza...(read more)

Op-Amp Line Follower - Blog 3 The Line Follower

2022-04-27T17:34:00Z

In the two previous blogs we have been describing the problems we have encountered to finish this project and the decisions made. We were initially going to build a line following vehicle built with op amps with a PID controller. Due to errors in the...(read more)

Inductors in Disguise

2022-04-27T15:46:00Z

Soft 404(read more)

LED Music visualizer - Blog 2: Filter Designs and Simulations

2022-04-26T18:07:00Z

In my last blog (part 1) I introduced the overall idea of the project. The idea was to split the audio spectrum from 20 Hz to 20 kHz using three active filters and each filter's output is connected to LEDs thereby making a LED music visualizer. I als...(read more)

Project14 | Op-Amp-a-Palooza: Meet the Op-Amp Projects! (Deadline Extended to May 2nd)

2022-04-26T15:12:00Z

You have until the 2nd of May to Submit Your Op-Amp Projects! Tag your blog opampsch or submit here: Submit Project Op-Amp-a-Palooza Op-Amp-a-Palooza is an open ended exploration of op-amps using low cost components and features premium op-amp tes...(read more)

Evaluate Op-Amp MCP6032 with ECG

2022-04-26T02:35:00Z

1. I have evaluated MAX30003C AFE with ECG, this chip is used in some Mobile for Heat-rate detection. Use MAX30003WING Evaluation Kit for the MAX30003 Biopotential AFE | Maxim Integrated is easy and quick, just fetch I2C signals....(read more)

Adding additional capabilities to my KORG volca modular synthesizer and learning about Op-Amps at the same time. Part 3 - Playing with noise.

2022-04-25T20:23:00Z

In my prior Op-Amp-a-Palooza posts (/challenges-projects/project14/opampapalooza/b/blog/posts/adding-additional-capabilities-to-my-korg-volca-modular-synthesizer-and-learning-about-op-amps-at-the-same-time) and (/challenges-projects/project14/opampap...(read more)

Op-Amp Line Follower - Blog 2 Following the research

2022-04-23T05:31:00Z

After my first mistakes destroying the operational amplifiers that had been sent to me through misuse, I continued the project looking for alternatives and I discover that my capacity to make mistakes is infinite. Looking for rail-to-rail op amps In ...(read more)

Adding additional capabilities to my KORG volca modular synthesizer and learning about Op-Amps at the same time. Part 2 - Power supply bring up and Analyzing the Noise Source.

2022-04-18T20:26:00Z

In my prior Op-Amp-a-Palooza post (/challenges-projects/project14/opampapalooza/b/blog/posts/adding-additional-capabilities-to-my-korg-volca-modular-synthesizer-and-learning-about-op-amps-at-the-same-time) I described, at a high level, my design and ...(read more)

Adding additional capabilities to my KORG volca modular synthesizer and learning about Op-Amps at the same time.

2022-04-15T14:15:00Z

Last year I bought a KORG volca modular synthesizer to re-ignite a long held interest of mine and to play around with creating interest sound effects for some of my projects. I blogged about it back in October 2021 (/members-area/personalblogs/b/gene...(read more)