In order to limit the consummations of these switches, the ISR input channels are connected to +3.3V. I have not been able to find such buttons on ebay. In the real plane, some 3 positions are stable in in two and momentary in one. These buttons can either that 2 or 3 stable positions. LEDs Momentary push buttons Latching switchesĪ latching switch is a switch that which position can be switched, but does not feature any restoring force. integrated circuits) and simple design rules. In this section, I share some learning on how to use the different parts ESP32-DEVKITC-32D has the footprint included in ESP32-DEVKITC-32D.mod.RaspberryPi has 28 GPIO connector, I used Connector_PinHeader_2.54mm:PinHeader_2x14_P2.54mm_Vertical.Alternative KiCad schematic library by alexisv provides the PCF8575.ESP32-DEVKITC-32D from snapeda provides the ESP32 dev bord in ESP32-DEVKITC-32D.lib.The shift registers 74HC165 and 74HC595 in pkl_misc.lib In order to correct some wrong pin names. ![]() In schematic in promicro.lib and the fotprint in ProMicro.kicad_mod. These libraries are included in this repository as submodules. I had to add some libraries in order to have all the components I needed. I could off course save picturesĪnd export in JSON format, but that did not satisfy me.Īt first sight I though EasyEDA was easier to use then KiCad, but it is I was also not saisfied with having my designs and PCBs on EasyEDA not notīeing able to add them to this git repository. ![]() My PCB, just because I could solder SMD components. I was also a bit unconfortable with mounting this kind of development board on Some footprints where wrong, like the one for the I2C module PCF8575. The quality of these single layer PCBs but I made mistakes of course. In order to have feedback as soon as possible. When I was done designing the first prototype, I ordered the PCBs on JLCPCB ![]() These PCBs were connected together with ribbon cables. The first design, done with EasyEDA, was based on separated PCBs (pilot, copilot,Īutopilot). ![]()
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