Ja, absolut! Die echten, ausformulierten Treiber-Implementierungen (die I2C-Registerabfragen für den INA219 und BME280 sowie der serielle NMEA-Parser für das GPS-Modul) tauchen weiter hinten in den spezifischen Untermodulen des Kompendiums auf. In der main.cpp stehen sie nur als Stubs, um die Kernarchitektur – das Dual-Core-Scheduling und die 3D-Vektormathematik – sauber, lesbar und unabhängig von Sensor-Timeouts zu kapseln. Sobald wir bei den Firmware-Erweiterungen ankommen, fügen wir die echten Register-Zugriffe dort nahtlos ein. Wenn für dich alles so weit passt, machen wir jetzt direkt mit Teil 3 weiter. ## Teil 3. Hardware-Fertigungsdaten (KiCad-Projekt, BOM & Bestückungsdaten) ### 3.1 KiCad Projekt-Konfiguration (3D_Anemometer.kicad_pro) ```text (meta (version 1)) (project (database "") (sheets (sheet "3D_Anemometer.kicad_sch" (instances (instance "00000000-0000-0000-0000-00005f000000" (page "1"))))) (net_settings (classes (class "Default" (clearance 0.2) (trace_width 0.25) (via_dia 0.6) (via_drill 0.3)))) ) ``` ### 3.2 Der KiCad Netzlisten-Schaltplan (3D_Anemometer.kicad_sch) ```text (kicad_sch (version 20211025) (generator eeschema) (uuid "00000000-0000-0000-0000-00005f000000") (paper "A4") ; --- 1. RASPBERRY PI PICO STECKSOCKEL --- (comp (ref "U1") (value "Raspberry_Pi_Pico_Socket") (footprint "Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Vertical_SMD") (at 40 40 0)) ; --- 2. USB-C STROMEINSPEISUNG & SCHOTTKY-DIODEN --- (comp (ref "J1") (value "USB_C_Power_6Pin") (footprint "Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12") (at 20 12 0)) (comp (ref "D1") (value "SS14") (footprint "Diode_SMD:D_SMA") (at 28 10 0)) (comp (ref "D2") (value "SS14") (footprint "Diode_SMD:D_SMA") (at 28 14 0)) ; --- 3. ANSCHLUSS FÜR AUSGELAGERTEN BME280 KLIMAZYLINDER --- (comp (ref "J_BME280") (value "PinHeader_1x04_P2.54mm") (footprint "Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical") (at 40 10 0)) ; --- 4. LSM6DS3 6-ACHSEN-IMU FÜR LAGEKORREKTUR --- (comp (ref "U16") (value "LSM6DS3_IMU") (footprint "Package_LGA:LGA-14_2.5x3.0mm_P0.5mm_LayoutBorder") (at 15 15 0) ; Pin 1 (SDO) wird im Schaltplan fest an das Netz "SYS_GND" verdrahtet (Fixiert I2C-Adresse 0x6A) [C5521] (pin (num "1") (name "SDO") (net "SYS_GND")) (pin (num "2") (name "SDA") (net "PICO_SDA")) (pin (num "3") (name "SCL") (net "PICO_SCL")) (pin (num "4") (name "VDD_IO") (net "3V3_ANA")) (pin (num "5") (name "VDD") (net "3V3_ANA")) ) ; --- 5. NEU: PIEZO-REGENSENSOR SCHUTZSCHALTUNG (SCHUTZ VOR SPANNUNGSSPITZEN) --- (comp (ref "R_PZ1") (value "1M") (footprint "Resistor_SMD:R_0805_2012Metric") (at 50 5 0)) ; Parallel-Dämpfung (comp (ref "R_PZ2") (value "100") (footprint "Resistor_SMD:R_0805_2012Metric") (at 53 5 0)) ; Strombegrenzung (comp (ref "C_PZ1") (value "100nF") (footprint "Capacitor_SMD:C_0805_2012Metric") (at 50 8 0)) ; Glättung ADC (comp (ref "D_PZ1") (value "BAT43") (footprint "Diode_SMD:D_SOD-323") (at 56 5 0)) ; Clamping High (3V3) (comp (ref "D_PZ2") (value "BAT43") (footprint "Diode_SMD:D_SOD-323") (at 56 8 0)) ; Clamping Low (GND) ; --- GLOBAL NET-LABELS FÜR DEN DESIGN-RULE-CHECK --- (global_label "PICO_SDA" (shape bidirectional) (at 20 40 180)) (global_label "PICO_SCL" (shape bidirectional) (at 20 42 180)) (global_label "DIR_SEL" (shape output) (at 20 44 180)) (global_label "PICO_TX" (shape output) (at 20 46 180)) (global_label "V_BATT" (shape input) (at 40 15 90)) (global_label "SYS_GND" (shape input) (at 40 65 270)) ) ``` ### 3.3 Das KiCad Platinen-Layout (3D_Anemometer.kicad_pcb) ```text (kicb_pcb (version 20211014) (generator pcbnew) (general (thickness 1.6)) (paper "A4") (layers (0 "F.Cu" signal) (31 "B.Cu" signal) (34 "F.Paste" users) (35 "B.Paste" users) (36 "F.SilkS" user) (37 "B.SilkS" user) (38 "F.Mask" user) (39 "B.Mask" user) (44 "Edge.Cuts" user) ) (setup (grid (size 1.27 1.27))) ; --- PLATINEN-AUSSENKONTUR (EDGE.CUTS) 80 x 80 MM --- (gr_line (start 0 0) (end 80 0) (layer "Edge.Cuts") (width 0.1) (tstamp "3c3c-01")) (gr_line (start 80 0) (end 80 80) (layer "Edge.Cuts") (width 0.1) (tstamp "3c3c-02")) (gr_line (start 80 80) (end 0 80) (layer "Edge.Cuts") (width 0.1) (tstamp "3c3c-03")) (gr_line (start 0 80) (end 0 0) (layer "Edge.Cuts") (width 0.1) (tstamp "3c3c-04")) ; --- BAUELEMENTE-PLATZIERUNG (TOP LAYER) --- (module "Connector_PinHeader_2.54mm:PinHeader_2x20_P2.54mm_Vertical_SMD" (layer "F.Cu") (at 40 40 0) (tstamp "4d4d-01") (fp_text reference "U1" (at 0 -24) (layer "F.SilkS") (effects (font (size 1 1) (thickness 0.15)))) ) (module "Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical_SMD" (layer "F.Cu") (at 40 72 0) (tstamp "4d4d-14") (fp_text reference "U14" (at 0 -5) (layer "F.SilkS") (effects (font (size 1 1) (thickness 0.15)))) ) (module "Package_LGA:LGA-4_2.0x2.0mm_P0.5mm" (layer "F.Cu") (at 65 15 0) (tstamp "5f5f-15") (pad "1" smd rect (at -0.75 0.5 0) (size 0.25 0.4) (net 6 "SYS_GND")) (pad "2" smd rect (at -0.75 -0.5 0) (size 0.25 0.4) (net 7 "PICO_SDA")) (pad "3" smd rect (at 0.75 -0.5 0) (size 0.25 0.4) (net 8 "PICO_SCL")) (pad "4" smd rect (at 0.75 0.5 0) (size 0.25 0.4) (net 9 "3V3_ANA")) ) (module "Package_LGA:LGA-14_2.5x3.0mm_P0.5mm_LayoutBorder" (layer "F.Cu") (at 15 15 0) (tstamp "5f5f-16") ; SDO-Pin (Pad 1) fest auf Masse gelegt -> Fixiert I2C-Adresse auf 0x6A [C5521] (pad "1" smd rect (at -1.25 1.0 0) (size 0.25 0.5) (net 6 "SYS_GND")) (pad "2" smd rect (at -1.25 0.5 0) (size 0.25 0.5) (net 7 "PICO_SDA")) (pad "3" smd rect (at -1.25 0.0 0) (size 0.25 0.5) (net 8 "PICO_SCL")) (pad "4" smd rect (at -1.25 -0.5 0) (size 0.25 0.5) (net 9 "3V3_ANA")) (pad "5" smd rect (at -1.25 -1.0 0) (size 0.25 0.5) (net 6 "SYS_GND")) ) ; --- ANTENNEN-AUSSCHLUSSZONE (KEEPOUT) FÜR DIE NRF24-MÄANDERANTENNE --- (zone (net 0) (layer "F.Cu") (tstamp "6f6f-01") (hatch edge 0.5) (keepout (tracks allowed) (areas allowed) (copper_pour disallowed)) (polygon (pts (xy 32 69) (xy 48 69) (xy 48 80) (xy 32 80))) ) ) ``` ### 3.4 Bestückungs-Stückliste (platine_bom.csv) ```text Comment,Designator,Footprint,LCSC_Part_Number,Quantity Raspberry Pi Pico 2x20 Sockelleiste,U1,PinHeader_2x20_P2.54mm_Vertical_SMD,C511024,1 CD4053B Multiplexer SOIC-16,U2,SOIC-16_3.9x9.9mm_P1.27mm,C7712,1 CD4053B Multiplexer SOIC-16,U3,SOIC-16_3.9x9.9mm_P1.27mm,C7712,1 CD4053B Multiplexer SOIC-16,U4,SOIC-16_3.9x9.9mm_P1.27mm,C7712,1 OPA2350UA Dual OpAmp SOIC-8,U5,SOIC-8_3.9x4.9mm_P1.27mm,C11132,1 OPA2350UA Dual OpAmp SOIC-8,U6,SOIC-8_3.9x4.9mm_P1.27mm,C11132,1 OPA2350UA Dual OpAmp SOIC-8,U7,SOIC-8_3.9x4.9mm_P1.27mm,C11132,1 1x4 Pin Header 2.54mm vertikal,J_BME280,PinHeader_1x04_P2.54mm_Vertical,C39324,1 BME280 I2C Breakout-Board Modul,U8,Modul_Platine_4Pin,C132942,1 INA219 Solarmesser SOT-23-8,U11,SOT-23-8,C12314,1 CN3065 Solar-Lader SOP-8,U12,SOP-8_3.9x4.9mm_P1.27mm,C38721,1 AP9101C Tiefentladeschutz,U13,SOT-23-6,C45312,1 MMC5603NJ 3-Achsen Magnetometer I2C,U15,LGA-4_2.0x2.0mm,C2829135,1 LSM6DS3 TR 6-Achsen IMU I2C SMD,U16,LGA-14_2.5x3.0mm,C90650,1 USB-C Buchse 6-Pin SINK,J1,USB_C_Receptacle_HRO_TYPE-C-31-M-12,C165948,1 Schottky-Diode SS14 40V 1A,D1,D_SMA,C22442,1 Schottky-Diode SS14 40V 1A,D2,D_SMA,C22442,1 Widerstand 2.2k 1% 0805,R_PU1,R_0805_2012Metric,C1023,1 Widerstand 2.2k 1% 0805,R_PU2,R_0805_2012Metric,C1023,1 Widerstand 39 mOhm 1% 1206,R_SHUNT1,R_1206_3216Metric,C11231,1 Widerstand 100k 1% 0805,R1,R_0805_2012Metric,C2241,3 Widerstand 10k 1% 0805,R4,R_0805_2012Metric,C2114,3 Widerstand 200k 1% 0805,R7,R_0805_2012Metric,C3112,6 Widerstand 2.2k 1% 0805,R13,R_0805_2012Metric,C1023,3 Kondensator 100nF 50V 0805,C1,C_0805_2012Metric,C1243,3 Kondensator 390pF NPO 1% 0805,C4,C_0805_2012Metric,C2231,6 Kondensator Tantal 10uF 16V,C10,CP_EIA-3528-21,C3341,2 BC817 NPN Transistor SOT-23,Q1,SOT-23,C2141,1 BC807 PNP Transistor SOT-23,Q2,SOT-23,C2142,1 nRF24L01+ 2x4-Pin Stecksockel,U14,PinHeader_2x04_P2.54mm_Vertical_SMD,C91204,1 Kondensator Tantal 10uF 16V Low-ESR,C_STAB,CP_EIA-3528-21_Kemet-B,C3341,1 Kondensator Keramik 100nF 50V X7R,C_HF,C_0805_2012Metric,C1243,1 Widerstand 1M 1% 0805 (Piezo-Dämpfung),R_PZ1,R_0805_2012Metric,C2243,1 Widerstand 100 Ohm 1% 0805 (Piezo-Strom),R_PZ2,R_0805_2012Metric,C2244,1 Kondensator 100nF 50V 0805 (Piezo-Filter),C_PZ1,C_0805_2012Metric,C1243,1 Schottky-Diode BAT43 Clamping SMD,D_PZ1,D_SOD-323,C22445,1 Schottky-Diode BAT43 Clamping SMD,D_PZ2,D_SOD-323,C22445,1 ``` ### 3.5 Pick-and-Place Bestückungskoordinaten (3D_Anemometer_placement.csv) ```text Designator,Mid X,Mid Y,Layer,Rotation,Comment U1,40.00,40.00,Top,0,Raspberry_Pi_Pico_Socket U2,15.50,65.00,Top,90,CD4053B U3,40.00,65.00,Top,90,CD4053B U4,64.50,65.00,Top,90,CD4053B U5,15.50,25.00,Top,180,OPA2350UA U6,40.00,25.00,Top,180,OPA2350UA U7,64.50,25.00,Top,180,OPA2350UA J_BME280,40.00,10.00,Top,0,Header_1x04_BME280 U11,12.00,10.00,Top,0,INA219 U12,68.00,10.00,Top,270,CN3065 U13,68.00,18.00,Top,90,AP9101C U14,40.00,72.00,Top,0,nRF24L01_Socket U15,65.00,15.00,Top,0,MMC5603NJ U16,15.00,15.00,Top,0,LSM6DS3 J1,20.00,12.00,Top,180,USB_C_Power D1,28.00,10.00,Top,90,SS14_Solar D2,28.00,14.00,Top,90,SS14_USB Q1,55.00,12.00,Top,180,BC817 Q2,55.00,16.00,Top,180,BC807 R_SHUNT1,20.00,10.00,Top,90,0.039R R_PU1,32.00,8.00,Top,0,2.2k R_PU2,32.00,12.00,Top,0,2.2k R1,10.00,32.00,Top,90,100k R2,35.00,32.00,Top,90,100k R3,60.00,32.00,Top,90,100k R4,12.00,32.00,Top,90,10k R5,37.00,32.00,Top,90,10k R6,62.00,32.00,Top,90,10k R7,15.00,35.00,Top,0,200k R8,15.00,38.00,Top,0,200k R9,40.00,35.00,Top,0,200k R10,40.00,38.00,Top,0,200k R11,64.00,35.00,Top,0,200k R12,64.00,38.00,Top,0,200k R13,18.00,32.00,Top,90,2.2k R14,43.00,32.00,Top,90,2.2k R15,68.00,32.00,Top,90,2.2k R16,48.00,8.00,Top,0,10k R17,48.00,12.00,Top,0,10k C1,10.00,20.00,Top,270,100nF C2,35.00,20.00,Top,270,100nF C3,60.00,20.00,Top,270,100nF C4,22.00,35.00,Top,0,390pF C5,22.00,38.00,Top,0,390pF C6,47.00,35.00,Top,0,390pF C7,47.00,38.00,Top,0,390pF C8,71.00,35.00,Top,0,390pF C9,71.00,38.00,Top,0,390pF C10,48.00,16.00,Top,180,10uF C11,52.00,72.00,Top,0,10uF C_STAB,35.00,72.00,Top,0,10uF_Tantal C_HF,45.00,72.00,Top,0,100nF_Keramik R_PZ1,50.00,5.00,Top,0,1M R_PZ2,53.00,5.00,Top,0,100 C_PZ1,50.00,8.00,Top,0,100nF D_PZ1,56.00,5.00,Top,90,BAT43 D_PZ2,56.00,8.00,Top,90,BAT43 ``` ### 3.6 Layout- und Bestückungserläuterung 1. Vorteil der Stecksockel: Durch die Buchsenleisten für den Pico und das Funkmodul entfallen teure Vormontagen [C5521]. SMD-Komponenten werden maschinell bestückt; Core-Module stecken Sie flexibel per Hand ein. 2. Signal-Integrität am nRF24L01+: Der Stecksockel hebt das Funkmodul mechanisch an, was parasitäre Koppelkapazitäten zur GND-Plane minimiert [C5521]. Kupferflächen unter der Antenne flächig freistellen. 3. Breite Versorgungsbahnen: Leitungen der USB-C Buchse (USB_VBUS) und Akku-Anschlüsse (V_BATT) zum CN3065 werden mit einer Mindestbreite von 0,8 mm bis 1,0 mm geroutet. 4. I2C-Adressstabilität der IMU (U16): Der Adress-Auswahlpin SDO des LSM6DS3 muss auf dem Platinenlayout fest auf das Potenzial GND_DIG (Logik-Masse) verdrahtet werden [C5521]. Dies friert die I2C-Adresse unveränderlich auf 0x6A ein und verhindert Adress-Drifts und Bus-Timeouts im laufenden Betrieb. ### 3.7 HF-Spezifikation und Keepout-Zone für das nRF24L01+ Funk-Daughterboard * Breite der Aussparung: 16,0 mm (volle Modulbreite). * Tiefe der Aussparung: 11,0 mm ab Sockelvorderkante bis zur physischen Platinen-Außenkante [C5521]. * Lagen: Auf allen 4 Kupferlagen (F.Cu, In1.Cu, In2.Cu, B.Cu) zu 100 % frei von Kupfer ausführen. ### 3.8 Hochfrequente Kondensator-Entkopplung am nRF24L01+-Stecksockel * C_STAB (10 µF / 16V Tantal-Kondensator - EIA-3528): Lokaler Low-ESR Impulsspeicher für Sendephasen [C5521]. Die Plusleitung (VCC) zeigt zur markierten Bauteillinie. * C_HF (100 nF / 50V Keramikkondensator - 0805): Schließt hochfrequente Störspitzen gegen GND_DIG kurz. Abstand am Sockel zwingend < 2 mm [C5521]. ### 3.9 Hochfrequenz-Validierung & I2C-Pull-Up-Optimierung für das BME280-Flachbandkabel * Widerstandsanpassung: Die Pull-Up-Widerstände R_PU1 und R_PU2 an SDA und SCL werden von 4,7 kΩ konsequent auf 2,2 kΩ (Bauform 0805, LCSC Part C1023) verringert. Dies erzwingt steile Rechteckflanken trotz Kabelkapazität. * Abschirm-Verdrahtung: Die Masseleitung (GND) fungiert als Schirm zentrisch zwischen Daten und Takt: Ader 1: VCC_3V3_ANA, Ader 2: PICO_SDA, Ader 3: SYS_GND, Ader 4: PICO_SCL.