Huaxing Intelligent Control UWBLOC positioning system adopts self-developed wireless pulse ranging technology to achieve precise positioning of exhibition hall personnel and exhibits. The positioning accuracy is better than 30 cm. By setting the base...
Dyson V6 Setup and Running System Dyson handheld vacuum cleaners utilize high RPM brushless DC motors. Specifications indicate that some models can reach as high as 125000 RPM. I’ve disassembled DC56(V2), V6, and V10 models. Each has a brushless single-phase...
I have been growing leafy greens using Hydroponics for the last 3 years. I was tiered checking out for the nutrient levels and pH level of the nutrient water solution, so I decided to make a nutrient feeding unit to maintain the optimal nutrient level...
A80 Teardown The newer A80 with QHD at 30 fps and 4K24p capabiltiy (20MP still frames) has a lens shroud that is tucked under the front cover (left), which needs careful persuasion for its clips to release without breaking. The short sides appeared to...
One of the popular chip formats in the 70's and 80's were the ubiquitous EPROMs (Electrically Programmable Read Only Memories). They had very good memory density at the time and were accessible technology for hackers and OEMs alike. They had the advantage...
Long ago, in a land called Kettering, OH, my 14-year-old self got bored, restless and discontent, but this was no ordinary case of adolescent ennui. I was jealous, longing, consumed by the desire to do one thing above all else. It was a crazy...
ESP32 The ESP32 development boards are not without their problems. Why keep using them anyway? The ESP32 IC only costs €2.31/pce on Digikey. Design a decent breakout board and done! Well, if you don't want to design your own...
Most clocks use sound to wake you up. This clock is no exception. A little "DFPlayer Mini" module does all of that, also MP3 decoding. It even includes a speaker driver. Yue Xin YX5200-24SS module! Check for short circuit between pin 3 and...
Programming 2764 EPROM with a Mega2560, SD card reader and 5-12V Buck converter If you have ever wondered what it would be like to have a real retro -computer-nerd experience, then maybe programming EPROMs will fit the bill for you. Since the late 60's...
this was my 2017 entry into the science olympiad. the basic rules were that you needed to make a car that went a certain distance, to be decided at the competition. the trial in the video was my fault, i set it for 12 meters when it was supposed to go...
After a suggestion from [gdx] from MRC I took a look at the Rock'N'Roller (MSX1) and started to work on a patch for Ninja/Shinobi Tap multi controller adapter. First step was to disassemble the game and figure out how the game deals with the controls....
Some background... The main purpose of my Intel HEX project was to: Check how difficult it is to create non-CPU controllers using microcodeImprove my microcode compiler based on real projectGive me a tool for priming memory of FPGA-based computers when...
The LRS-150-24 power supply can operate from a 100–120 volt or 200–240 volt AC network. The manufacturer states it provides an output current of up to 6.5 amperes at 24 volts. The supply measures 5¾ × 3¾ × 1¼ inches (145 ×...
First of all, this is a Bluetooth Low Energy device, detected as "L5_TOUCH_RW".Using NRF Connect app, you can see which service it offers; It has 5.Generic Access (contains Device Name, Appearance, Peripheral Preferred Connection Parameter)Unknown Service...