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...
This article shows the basics of capacitor safety. 1. My Story When I was a teenager we used to Soviet mains powered have film projector. This project had a small AC motor, that was used to roll the film. It had a capacitor or varistor connected in parallel...
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...
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....
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...
I am fascinated by the PiDP-8 and the follow-on PiDP-11 computers.Reading listGNU radio 1GNU radio 2avr makefileAnother simple formulabut I could not copy it to a comment.
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...
Some people say that if LED street lights are not powered by solar energy, they will have no further value for use; Some people also say that solar power supply will only make the production cost of LED street lights more expensive, making it difficult...
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...
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...
In electrical equipment such as stepper motors, closed-loop motors, and servo motors, equipment using different insulation materials has different abilities to withstand high temperatures. Therefore, general motors have a maximum allowable temperature...
Product features: support Beidou differential positioning and UWB positioning, automatic switching between indoor and outdoor high-precision positioning, positioning accuracy up to 2 cm outdoors, up to 10 cm indoor positioning accuracy, IP67 protection...