Barcode (QR) reader – part 1 Here's another one of my little weekend projects (in this case, more than one weekend). It is a barcode (and QR) reader that plugs into the PC's USB port and is seen by the system as an HID device, specifically a keyboard....
Introduction In this project, we are going to make a simple lipo battery charger using TP4056 module with battery protection. The circuit that charges the battery by supplying the charge carrier (i.e-electrons) to it is battery charger circuit....
While we were trying to figure out how to display it on a 4x8x32 LED matrix we decided to take a little break and try and wire the speaker to the Arduino board using a resistance. The only issue we had with this was the quality of our speaker. We ordered...
IntroductionThe mini CNC engraving machine laser engraving machine is suit for make non- metal processing such as plastic , wood , acrylic , pvc, pcb, wood or the like material , etc.And airframe adopt profiles + plastic ，small size, light weight...
Dan Maloney12:00 PMOK folks, here we go! I'm Dan, I'll be moderating today along with Dusan as we welcome Quinn Dunki back to the Hack Chat. We had Quinn on a couple of years ago to talk about machining in general, but now we want to get into specifics...
I started wiring up the Memory sub-system board and realized quickly that I needed the display board to show the state of the various registers. I first had to create a backplane to connect the boards into. The backplane carries all the signals...
BlueBoard#01 is... A 100mm by 100mm board that's for prototyping and one-off projects that use SMT and through-hole components. An earlier prototype Features 19 standard footprints2 x 1.27mm pitch footprints (10 pads, 28 pads)1 x 0.65mm and 0.635mm...
There are plenty of great implementations of different and historically important CPUs available on various FPGA-based platforms, but to my knowledge very few trying to implement calculator CPUs. Old calculators where one of the first examples of "microcontrollers"...
In order to decode the 23 bytes of payload that the sensor is sending we need to implement a decoder, in this case we need to create one custom. Once you select to create a custom decoder you just simply copy and paste the next code which is written...
1 Intro The Enecsys Gateway is a Zigbee gateway allowing communications between the Enecsys microinverters and their monitoring backend. The Enecsys company is unfortunately defunct since 2015 and their DNS domains have been taken over by a UK enecsys...
Here, mnemonics for all instructions are listed, with short descriptions: ALU instructions (link to machine code description): All ALU instructions perform operations only on General Purpose Registers All ALU instructions taking 2 bytes in memory. instructions...
It is Wednesday my dudes, 15:56, 22/02/2023 Well, let's see if I can get this right this time. I will first try to make that dang equation work, and then I will try to see articles using actual heavy duty McKibben muscles and guess the dimensions...
(Here's the complete description - sorry for some redundancy.) There are many single chip bipolar stepper motor controllers. These can supply one to two amps and work great for most NEMA 17 and smaller motors. But I wanted to control a long NEMA 23 motor...
sub_F374 has caught my interest because it seems to be painting the LCD with the currently selected file's contents according to several state variables that I have not fully reverse-engineered.The routine begins like this:F374 sub_F374: F374 BD F6 18...