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Schaltplan eines RS485-Transceivers mit Schutzbeschaltung
R66, 4.7K, R64, 4.7K, RS485 RXD, U7, SP3485EN, RE, 2, DE, 3, DI, 4, RO, 1, VCC, 8, B, 7, A, 6, GND, 5, C63, 100nF/50V, 5V, GND, R63, 10K, D11, SMAJ1, NC, B1, D12, SMAJ1, A1, R70, 10K, C71, D13, SMAJ1, NC, 5V, GND
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Schaltplan eines DC/DC-Wandlers mit LT1776
R_FLAG UVlo = 22V C4 1µ L1 3,3 µH C1 10µ C2 10µ VFIN R5 20k U1 LT1776 5 VIN 2 VCC 3 VSW 7 V_FB 1 SHDN 6 SYNC 4 GND 8 VC R7 22k C5 2n2 C6 100p R11 3k L2 68,0 µH C8 10µ VF_SW D3 BYM13-50 R1D 15k C10 10µ L3 3,3 µH D5 SMAJ7.5A +7.5V PWR_FLAG GND C3 100p R6 1k2
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Schaltplan eines Raspberry Pi 5 Anschlusses
PWM0 GPIO19/MISO1 GPIO20/MOSI1 GPIO21/SCLK1 GPIO22 GPIO23 GPIO24 GPIO25 GPIO26 GPIO27 J4 Raspberry_Pi_5 3V3 GPIO0/ID_SD GPIO1/ID_SC GPIO2/SDA GPIO3/SCL GPIO4/UART2 GPIO5/UART2 GPIO6/CLK2 GPIO7/CE1 GPIO8/CE0 GPIO9/MISO GPIO10/MOSI GPIO11/SCK GPIO12/PWM0 GPIO13/PWM1 5V GND C3 100mF 16V C5 10uF/16V D2 SMAJ9.0A TP7 PI_ -5V TP8 PI_ +5V #11 50m
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Schaltplan einer Stromversorgung
Power Supply J1 Conn_01x02_Pin F1 Polyfuse C158012 C10672 1 2 GND C7 100nF C14663 GND D1 SMAJ10A C82688 GND R3 100k C25804 2 3 Q1 PMOS_SGD C15849 1 VBAT VBAT U2 AP63203WU C475850 3 IN 5 SW 6 BST 1 FB 4 PWR_FLAG GND R2 100k C25804 2 EN GND C2 100nF C14663 GND C1 10uF C15850 GND L1 4.7uH C167389 C3 100nF C14663 C4 22uF C45783 GND C5 100nF C14663 GND C6 22uF C45783 GND R1 27k C22978 GND PWR_FLAG +3.3V
