ARM-33 display and speaker front panel PCB

It's a project drawn and developed by me that is working, flawlessly, since 2 weeks ago. it is oriented toward the field of sport shooting: it manages the rounds reloading operation at the best, with 8 input channels (3 LASER and 5 optoelectronic sensors or simple switch, 3x12V/40mA external activations (expandable up to 10), voice interface (every operation is voice driven), blutooth connection with an external Android app, serial communication and I2C available external bus. The PCBs (this small front panel PCB and the mainboard) are absolutely perfect. They are made with the best possibile quality and Ive to say that they completely satisfied my requirements. In this particular case I've drawn 2 layers PCBs due the higher cost of 3 or 4 layers ones, but the drawing task was complicated a little bit. For my next project (patent pending) I will not be able to contain all the routes on 2 layers as it includes 27 ICs (2 microcontrollers) plus many other discrete components: hope that the PCBs will not cost too much (I will choose PCBWAY of course!) PCBWAY did the job quickly and professionally, sending me details of every single operation they made during the production process and I was be pleasantly surprised of the PCB making task: after 4 days my PCBs where shipped, but the carrier has taken 3 weeks to deliver them to me! DO NOT CHOOSE NETHERLAND POST FOR THE SHIPPING. IT HAS TAKEN 3 WEEKS DELIVER THEM IN ITALY, ROME, WAS QUITE EXPENSIVE WHEN I PAID THE SHIPPING HERE, AND THE ITALIAN POST REQUIRED OTHER MONEY FOR THE DELIVERY AFTER 3 WEEKS (!)







Jun 07,2024
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