🚀🚀🚀 A new instrument for my lab I have had the ingenious Adjustable Transformer EA-STT 2000 B-4.5A for almost 6 years. Its output voltage is 260 VAC. Now I need to test a new device at 380 VAC. I purchased
AC booster
A new gem
🚀🚀🚀 Complete Wearable device, ready for programming In the picture, you can see both units of the Wearable device prototype I manufactured recently. Both units are identical. 1️⃣ STM32L051 2️⃣ 6-axis IMU 3️⃣ a complete BMS with a trailing buck/boost
Complete assemblies
🆕🆕🆕 New wearable board is born After a while, two beautiful board assemblies are finished and ready for another step. 1️⃣ careful optical check 2️⃣ careful electrical check 3️⃣ SWD and firmware part Both board assemblies came perfectly. I am
Wearable device manufacturing
🛠🛠🛠 Manufacturing of the new wearable device Not so long ago, I wrote about a concept of a wearable device I was working on. Today, I am ready to assemble the prototype boards. I am going to prepare two prototypes.
Current sensor replacement
🛠🛠🛠 Soldering is my passion. If i have my soldering iron and the Chip Quik flux nobody can beat me. In the pictures, you can see the replacement process. 1️⃣ An old, TMCS1107 current sensor device 2️⃣ An empty place
Buck for buck
🛠🛠🛠 Buck replacement On a board I have worked for a while, there is a buck converter of a type RP604K281A by @Nisshinbo Micro Devices Inc. The device is ingenious. There is no need for a feedback voltage divider at
HW review hurts!
💊💊💊 Hardware design review hurts! Our egos cry for help. My ego used to not even think about the possibility of letting anyone criticise my pimped schematic or a PCB layout. It is pretty standard. Everyone’s experienced this bad feeling.
Secret oven project
🛠🛠🛠 Working on a secret project My customer does not want me to disclose anything. I believe this picture is not something disclosing any details of the project. As usual, a stencil and PCBs of the same thickness make a
Thrifty man
🏭🏭🏭 Testing, modifying, testing, modifying… I have been working on the power supply controller boards to finalise their assembly. I always solder the biggest or difficult-to-unsolder components as the last step. The reason is to save time and money. If
Album for resistors
🏭🏭🏭 My source of resistance There is a strong source of resistance between me and the world. All this is stored in a great book of magic. 🎯 7 decades for size 0603 MCINSERT-CHIPKIT at Farnell. == 🏭🏭🏭 Moje sídlo