nebula_qshield_pcb
Nhilson73
Components (84)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2,Q5 | IRLZ44NPBF | |
| Q3,Q4 | 2N7002 | |
| U1 | TPS54302DDCR | |
| U2 | AMS1117-3.3 | |
| U3 | TPS3823-33DBVR | |
| U4,U7,U10,U11,U20 | MCP6002 | |
| U5,U8,U12 | SN6501 | |
| U6,U9,U13 | AMC1301 | |
| U14 | HX711 | |
| U15 | MAX3485CSA | |
| U16 | PC817X2NIP | |
| U17 | IR2104SPBF | |
| U18,U19 | PC817X1NIP | |
| U21 | ISO1541 | |
| U22 | SC16IS740 | I2C-to-UART bridge, single UART, 64-byte FIFO, TSSOP-16 |
| U23 | SN74LVC1G04 | Single inverter, RS-485 direction control polarity |
| C1 | 100uF/25V | |
| C2 | 470uF/25V | |
| C3,C4 | 22uF/25V | |
| C5,C6 | 47uF/10V | |
| C7,C11-C25,C27 | 100nF | |
| C8 | 10uF/10V | |
| C9 | 22uF/10V | |
| C10 | 10uF/10V Tant | |
| C26 | 10uF | |
| C28-C30 | 10u | |
| C31,C32 | 22pF C0G | Crystal load capacitor |
| C33 | 100nF X7R | Decoupling capacitor, SC16IS740 VDD |
| D1 | SMAJ15A | |
| D2,D10,D11,D14 | SS34 | |
| D3-D6,D8 | PESD5V0S1BSF | |
| D7 | PESD3V3S1BSF | |
| D9,D15 | PESD3V3S2USF | |
| D12,D13 | 1N4148W | |
| D16-D18 | BAT54S | |
| D19-D24 | D_Schottky | |
| F1 | 1.1A PTC | |
| F2 | 1A PTC | |
| F3,F4 | 0.5A PTC | |
| FB1 | 600R@100MHz | |
| J1 | PJ-002AH | |
| J2,J3,J5 | BNC_Isolated | |
| J4,J7 | JST-XH 3-pin | |
| J6 | JST-XH 2-pin | |
| J8 | Qwiic GPS SAM-M8Q | JST-SH Qwiic: VCC/GND/SDA/SCL — GPS SAM-M8Q I2C addr 0x42 |
| J9 | Qwiic RTC DS3231 | JST-SH Qwiic: VCC/GND/SDA/SCL — RTC DS3231 I2C addr 0x68 |
| J10 | Qwiic Cell Density | JST-SH Qwiic: VCC/GND/SDA/SCL — Cell Density I2C addr 0x30 |
| J11 | Qwiic EZO-pH | JST-SH Qwiic: VCC/GND/SDA/SCL — EZO-pH I2C addr 0x63 |
| J12 | Qwiic EZO-ORP | JST-SH Qwiic: VCC/GND/SDA/SCL — EZO-ORP I2C addr 0x62 |
| J13 | Qwiic EZO-DO | JST-SH Qwiic: VCC/GND/SDA/SCL — EZO-DO I2C addr 0x61 |
| J14 | Qwiic EZO-RTD | JST-SH Qwiic: VCC/GND/SDA/SCL — EZO-RTD I2C addr 0x66 |
| J15 | Load Cell | |
| J16 | RS485 Hamilton | |
| J17 | Motor 12V | |
| J18 | CO2 Solenoid | |
| J19 | Chiller | |
| J20 | HMI UART | HMI display connector: 5V/TX/RX/GND — Nextion compatible |
| J21 | Arduino UNO Q Shield Header | |
| K1,K2 | HF46F-12-HS1 | |
| L1 | 4.7uH/4A | |
| LED1 | Red 12V | |
| LED2 | Green 5V | |
| LED3 | Blue 3.3V | |
| LED4 | Red/Green | |
| R1,R34 | 100k 1% | |
| R2 | 13.7k 1% | |
| R3,R21,R28 | 10k | |
| R4,R36,R37 | 4.7k | |
| R5,R23 | 330R | |
| R6 | 100R | |
| R7,R9,R11,R13,R15,R17 | 1k 1% | |
| R8,R10,R12,R14,R16,R18 | 10M | |
| R19,R20 | 4.7k 1% | |
| R22 | 120R DNP | |
| R24-R27 | 1k | |
| R30,R31 | 511 | pH input divider bottom (0.1%),pH input divider top (0.1%) |
| R32 | 4.02k | ORP input divider top (0.1%) |
| R33 | 1.00k | ORP input divider bottom (0.1%) |
| R35 | 18.2k 1% | |
| R38 | 10k 1% | Pull-up, SC16IS740 open-drain ~IRQ |
| SW1 | RESET | |
| T1-T3 | Transformer_SP_2S | |
| TP1,TP2 | TestPoint | |
| Y1 | 1.8432MHz | Crystal 1.8432 MHz, 18 pF, HC49-SD SMD |