CubeSatSim Main Board Schematic

CubeSatSim Main Board Schematic

1 2 3 4 5 6 7 8 9 +X R3 4.7k R4 R2 DNI-1k R6 Micro JST D6 1N5817 SpiceOrder 2 INA219 (purple board) 0x44 P$1 P$2 P$3 P$4 P$5 P$6 VCC GND SCL SDA VINVIN+ 3.3V GND SCL SDA Remove Before Flight connector GND 5V1 Zener 1W SpiceOrder 1 GND INA219 (purple board) 0x45 VIN+ VINSDA SCL GND VCC P$6 P$5 P$4 P$3 P$2 P$1 5V_B 5V SDA SCL GND 3.3V 220 USB_VBUS LED2 GND GND GND Red 5mm LED3 100 R12 1k GND GND GND D CFP2-2RC4-AW GPIO26 SCL Micro JST E GND VO GND@2 Charge 1 2 3 4 5 SpiceOrder 1 VO GND VI GND Blue 5mm LED2 GND GND JP8 2 1 VI GND@1 Transmit PTCPTH R11 SOLAR_OR Green 5mm LED1 B+ B- B+ B- VIN GND Power VIN GND D9 D5 1N5817 SpiceOrder 2 1V-5V Boost 5V Regulator USB boost 5V F1 DNI-5V1 Zener 1W SpiceOrder 1 LED1 DNI-0R DNI-0R R13 C R9 CN3058 NiMH charger -Z JP9 micro USB breakout board DNI-1k DNI-1K R5 GND R10 JP7 D8 GND USB_ID USB_DP USB_DM USB_VBUS 1k resistor in R8 or R11 indicates UHF LPF present D4 1N5817 micro USB connector for external 5V DC input 1 2 3 4 5 B SpiceOrder 2 2 1 Micro JST VIN+5 VIN-5 SDA3 SCL3 GND 3.3V LPF design by Randy Standke, KQ6RS X1 P$6 P$5 P$4 P$3 P$2 P$1 GND GPIO12 GND LED1 GND GND GND SDA3 SCL3 GND GND SpiceOrder 1 -Y INA219 (purple board) 0x45 VIN+ VINSDA SCL GND VCC 2 1 Micro JST VIN+4 VIN-4 SDA3 SCL3 GND 3.3V GPIO26 GND GND 3.3V 3.3V 5V GND SC1464-ND VIN+3 VIN-3 SDA3 SCL3 GND 3.3V 1k resistor in R5 or R6 indicates VHF LPF present D7 1N5817 SpiceOrder 2 GND P$6 P$5 P$4 P$3 P$2 P$1 D3 1N5817 SpiceOrder 2 -X INA219 (purple board) 0x44 VIN+ VINSDA SCL GND VCC SpiceOrder 1 GPIO13 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 A X11 SMA-VERT ANT JP6 GND P$6 P$5 P$4 P$3 P$2 P$1 VIN+ VINSDA SCL GND VCC GND 2 1 Micro JST 16pF C2 R8 3.3V 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 R1 GND VIN+2 VIN-2 SDA3 SCL3 GND 3.3V INA219 (purple board) 0x41 F LED2 D2 1N5817 SpiceOrder 2 JP5 GND P$6 P$5 P$4 P$3 P$2 P$1 VIN+ VINSDA SCL GND VCC D SpiceOrder 1 +Z INA219 (purple board) 0x40 C JP4 2 1 Micro JST Raspberry Pi Zero WH GPIO 3.3V SDA SCL RF_PWM GND 4.7k VIN+1 VIN-1 SDA SCL GND 3.3V GND B P$6 P$5 P$4 P$3 P$2 P$1 Only insert 4.7k resistors if Pi is not on I2C bus +Y INA219 (purple board) 0x41 VIN+ VINSDA SCL GND VCC D1 1N5817 SpiceOrder 2 1K SpiceOrder 1 R7 DNI-4.7k VIN+0 VIN-0 SDA SCL GND 3.3V GND P$6 P$5 P$4 P$3 P$2 P$1 VIN+ VINSDA SCL GND VCC Antenna SMA Female L1 DNI-4.7k INA219 (purple board) 0x40 GND 13nH RF_PWM 3.3V 3.3V 1 2 Micro JST A UHF low pass filter Optional Solar Panel Series Access Connector JP2 Micro JST 18pF C1 GND JP1 2 1 1 2 Note: components with a value beginning with DNI means Do Not Install. S1 PB shutdown & startup JP10 connection to 3 cell NiMH battery E AMSAT® CubeSat Simulator Main PCB v1.1 (c) CC-BY-NC-SA+ 2019-21 AMSAT KU2Y-KI6ZUM-WD6DRI - CubeSatSim.org TITLE: cubesatsim-main-1.1 Document Number: Date: 8/14/21 5:15 PM F REV: Sheet: 1/1