In this episode, join us as we continue our exploration into the high-speed world of motorsport sensor technology with Caleb Holloway, founder of Izze Racing. Caleb delves into the complexities of antenna design, the challenges of RF engineering in the demanding environment of racing, and the innovative solutions his team has developed to enhance data accuracy on the track. From whip antennas to the nuances of sensor integration on racing vehicles, learn how cutting-edge technology is driving performance and safety in motorsports. 

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After a bit of a break we are back with a new, exciting episode! This week we are joined by Caleb Holloway, founder and owner of Izze Racing. Izze Racing provides electronics sensors, with an emphasis on tire data collection, to the motorsport industry. In the first part of this conversation, we delve into Caleb's transition from academia to running his passion company full-time, what's it like designing a product for the motor racing industry, and some unique challenges he has faced. 

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In this episode, we continue our conversation from last episode with  Dave Wilcox, PCB CAM engineer at CircuitHub, to explore the intricacies of plugging and filling vias.

Topics Covered:

• The differences between plugging and filling vias, and when to use each method.
• The common challenges faced during the reflow process, including the infamous "popcorn effect" caused by trapped flux.
• Practical advice on preventing manufacturing issues related to via plugging.
• Cost considerations between tenting, plugging, and filling vias.
• Insights into using various materials for via filling, including epoxy and solder.
• A fascinating case study on using solder to plug vias for gas sensors.
• The importance of thoughtful PCB design and silkscreen placement to avoid manufacturing headaches.

Key Takeaways:

• Plugging vias can prevent air and flux entrapment, but must be carefully specified in the design.
• There’s a delicate balance between cost and functionality when choosing how to handle vias.
• Thoughtful design and clear communication with manufacturers can lead to smoother production and better results.

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In this episode, Chris and Melissa we are focused on the topic of tenting vias. Joined by our favorite PCB guru, Dave Wilcox, we dive into the thrilling question: is it "via" or "v-eye-a"?  We discuss the technical details behind different types of vias, tenting methods, and the potential manufacturing challenges that arise from improper designs such as why covering one side of a via might just lead to a tiny PCB firework show. Make sure to look out for part 2 of this episode where we continue on to learn about plugging and filling vias. 

Reference Links

https://resources.altium.com/p/IPC-vias

https://www.wellpcb.com/blog/pcb-manufacturing/non-conductive/

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In this episode, Chris and Melissa continue their conversation with Kenny McGee, founder of Component Sense. We explore the environmental impact of electronics manufacturing and discuss how companies like Component Sense work to redistribute unused parts, reducing waste in the industry. Kenny shares insights on sustainability challenges for small businesses, his personal passion for reducing waste, and the global issues around recycling and electronic component reuse. 

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In this episode Chris and Melissa sit down with Kenny McGee, founder of Component Sense, to dive into the intricacies of the electronics supply chain. Kenny shares his journey from working in electronics manufacturing to founding Component Sense, a company focused on capital recovery from excess inventory while promoting sustainability. Tune in to learn about the environmental impact of excess electronic components, the importance of redistributing stock, and the challenges of reducing waste in the industry.

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In this episode of the PickPlace Podcast, Chris and Melissa discuss the challenges and intricacies of working with RGB LEDs, specifically the popular surface-mount DotStar LEDs from Adafruit. They dive into issues like handling cut strips versus continuous reels, the importance of sourcing directly from original manufacturers, and the need for moisture control when using these components in manufacturing. They also provide practical tips for engineers on cost-saving and quality assurance strategies when sourcing these parts for large-scale production.

Show Links:
https://www.adafruit.com/product/2343

https://www.lcsc.com/product-detail/RGB-LEDs-Built-in-IC_OPSCO-Optoelectronics-SK9822-A_C5378730.html

https://docs.circuithub.com/en/articles/3350195-consigning-cut-strips

https://www.digikey.com/en/products/detail/adafruit-industries-llc/2343/5761204

http://www.normandled.com/product/view/id/876.html

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In this episode we  delve into the topic of RF (Radio Frequency) shields. . Chris explains the different types of RF shields—open top, closed top, and clip-based—detailing their applications, advantages, and challenges. We also explore the processes involved in placing these shields on circuit boards, emphasizing the importance of inspection and the complexities of manual versus automated methods, and discuss how to choose the best type of shields for your project. More importantly, Chris shares a detailed story about a poorly designed bathroom he recently experienced and realizes that one of his big pet peeves is thoughtlessness.

Show Links:

Two Piece Shield

• Snap on, top piece: BMI-S-201-C https://www.digikey.com/en/products/detail/laird-technologies-emi/BMI-S-201-C/2175914
• Solder on, bottom piece: BMI-S-201-F https://www.digikey.com/en/products/detail/laird-technologies-emi/BMI-S-201-F/2175888?s=N4IgTCBcDaIEIFkCSBaAyisAGAjCgYiALoC%2BQA

One Piece Shield

• BMI-S-101 https://www.digikey.com/en/products/detail/laird-technologies-emi/BMI-S-101/2175907

Clip Style

• S1811-46R https://www.digikey.com/en/products/detail/harwin-inc/S1811-46R/19200427

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In this episode Chris and Melissa continue their deep dive into the critical role of stencils in electronics assembly, with expert insights from Brett Babilonia. We discuss advanced techniques for stencil design, including custom reductions, step stencils, and nano coatings to ensure optimal solder paste application. The episode also highlights the importance of thoughtful PCB design to manage costs and improve manufacturing efficiency. 

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In this episode, we dive into the crucial role of stencils in electronics manufacturing. Joined by Brett Babilonia, we explore the complexities of stencil design, including handling missing data, determining foil thickness, and ensuring optimal solder paste application. We discuss common issues, such as SMT standoffs and hybrid components. Stay tuned for for more of an in-depth continuation in Part Two. 

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