📈📊📉 𝐃𝐚𝐭𝐚 𝐯𝐢𝐬𝐮𝐚𝐥𝐢𝐬𝐚𝐭𝐢𝐨𝐧 𝐢𝐬 𝐛𝐞𝐚𝐮𝐭𝐢𝐟𝐮𝐥 Nearly six years ago, I transitioned away from programming and got busy with other ventures. Two years ago, I bid adieu to the world of coding. It was not an easy decision, but it was
AdafruitIO
ESP32 JTAG
ESP32 JTAG programming
A differential pair dilemma
🏭🏭🏭 𝐏𝐂𝐁 𝐦𝐚𝐧𝐮𝐟𝐚𝐜𝐭𝐮𝐫𝐞𝐫𝐬 – 𝐬𝐡𝐚𝐫𝐞 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭𝐢𝐚𝐥 𝐩𝐚𝐢𝐫 𝐩𝐚𝐫𝐚𝐦𝐞𝐭𝐞𝐫𝐬 𝐚𝐥𝐨𝐧𝐠 𝐰𝐢𝐭𝐡 𝐭𝐡𝐞 𝐏𝐂𝐁 𝐬𝐭𝐚𝐜𝐤-𝐮𝐩 𝐩𝐚𝐫𝐚𝐦𝐞𝐭𝐞𝐫𝐬. PCB manufacturers openly share their manufacturing profile limitations and production capabilities. As a hardware designer, this information is pivotal in aligning our design with these boundaries
A heart transplantation
❤️🛠 ⚙️ 𝐀 𝐡𝐞𝐚𝐫𝐭 𝐭𝐫𝐚𝐧𝐬𝐩𝐥𝐚𝐧𝐭𝐚𝐭𝐢𝐨𝐧 𝐬𝐮𝐫𝐠𝐞𝐫𝐲 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 My patient is a #PCBlayout, that I’ve been tasked to redesign. The challenge? Replacing an older LQFP #MCU with a newer, more powerful #BGA package MCU. It’s a delicate operation, demanding the utmost
DAC board manufacturing
🛠🛠🛠 𝐓𝐫𝐢𝐩𝐩𝐥𝐞 𝟐𝟎-𝐛𝐢𝐭 𝐃𝐀𝐂 𝐛𝐨𝐚𝐫𝐝 𝐦𝐚𝐧𝐮𝐟𝐚𝐜𝐭𝐮𝐫𝐢𝐧 Manual solder paste application, component placement, and reflow soldering form the backbone of my DIY electronics assembly. 1️⃣ The process starts with the 𝗺𝗮𝗻𝘂𝗮𝗹 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝘀𝗼𝗹𝗱𝗲𝗿 𝗽𝗮𝘀𝘁𝗲. With the aid of a stencil
Present A, prepare plan B
One thing is certain in the hardware design world: changes are inevitable. As a design engineer, you’ll often present ideas to customers, expecting acceptance and enthusiasm. However, it’s essential to be prepared for a change in direction and sometimes even
Pinout check
✍️✍️✍️ 𝐂𝐚𝐫𝐞𝐟𝐮𝐥 𝐩𝐢𝐧𝐨𝐮𝐭 𝐜𝐡𝐞𝐜𝐤 𝐢𝐬 𝐨𝐧𝐥𝐲 𝐭𝐡𝐞 𝐦𝐚𝐧𝐮𝐚𝐥 𝐜𝐡𝐞𝐜𝐤 When creating or importing new symbols in #kicad I do a manual pinout check. 👩💻👨💻 I always check both Snapeda.com and Ultralibrarian.com for the availability of the symbol, footprint and 3D
Via global change in KiCAD
🎩🎩🎩 𝐕𝐢𝐚 𝐬𝐢𝐳𝐞 𝐠𝐥𝐨𝐛𝐚𝐥 𝐜𝐡𝐚𝐧𝐠𝐞 𝐢𝐧 𝐊𝐢𝐂𝐀𝐃 Do you know what the probably best-hidden feature of all #kicad symbols, footprints, schematics and boards is? 🚀 All those objects are text-based 🚀 Examples? 🟢 Do you want to rename particular labels
Symbol and footprint checkers
🎩🎩🎩 𝐒𝐲𝐦𝐛𝐨𝐥 𝐚𝐧𝐝 𝐅𝐨𝐨𝐭𝐩𝐫𝐢𝐧𝐭 𝐜𝐡𝐞𝐜𝐤𝐞𝐫𝐬 𝐰𝐨𝐫𝐤 𝐟𝐨𝐫 𝐲𝐨𝐮 𝐢𝐧 𝐊𝐢𝐂𝐀𝐃 I bet all engineers using #kicad know and use 𝗘𝗥𝗖 (Electrical Rule Check) and 𝗗𝗥𝗖 (Design Rule Check). Not everyone knows and uses Symbol Checker and Footprint Checker in the
Media independent interfaces
🌏🌏🌏 𝐋𝐞𝐭’𝐬 𝐮𝐧𝐜𝐨𝐯𝐞𝐫 𝐭𝐡𝐨𝐬𝐞 𝐌𝐈𝐈 𝐚𝐧𝐝 𝐬𝐢𝐦𝐢𝐥𝐚𝐫 𝐢𝐧𝐭𝐞𝐫𝐟𝐚𝐜𝐞𝐬 𝐌𝐈𝐈, 𝐑𝐌𝐈𝐈 and 𝐒𝐆𝐌𝐈𝐈 are standards for connecting Ethernet Physical Layer Transceivers (PHYs) to Media Access Control (MAC) devices in networking hardware. They define electrical and signalling characteristics for data transmission between