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atop8918
Digital Waters Water Monitoring Device hardware
| Reference | Value | Description |
|---|---|---|
| U1,U13 | MCP3204 | A/D Converter, 12-Bit, 4-Channel, SPI Interface, 2.7V-5.5V |
| U2,U30 | TLV2387DR | |
| U3,U7 | TPS22929D | High side, power distribution switch, 1.4V-5.5V, 1.8A, SOT23-6 package |
| U4,U5,U11 | OPA2397DGKR | Precision, Low-Offset-Voltage, Low-Noise, Low-Input-Bias-Current, Rail-to-Rail I/O, e-trim™ Operational Amplifiers |
| U6 | M24C02-WMN | 2Kb (256x8) I2C Serial EEPROM, 2.5-5.5V, SOIC-8 |
| U8,U10 | REF3040 | 4.096V 50-ppm/°C Max, 50-μA, CMOS Voltage Reference, SOT-23-3 |
| U9,U15,U34,U35 | TVS0500DRV | Flat-Clamp Surge Protection Device. 5Vrwm, WSON-6 |
| U12 | REF3025 | 2.500V 50-ppm/°C Max, 50-μA, CMOS Voltage Reference, SOT-23-3 |
| U14 | LM1084-3.3 | 5A 27V Linear Regulator, Fixed Output 3.3V, TO-220/TO-263 |
| U17 | DHT20 | |
| BT1 | Battery | Multiple-cell battery |
| C1-C3,C5-C8,C10-C16,C21-C28,C38-C57,C87,C88,C93-C104 | C | Unpolarized capacitor |
| C4,C58,C90,C92 | 0.1u | Unpolarized capacitor |
| C9 | 10u | Unpolarized capacitor |
| C33 | 100u | Unpolarized capacitor |
| C89,C91 | 1u | Unpolarized capacitor |
| F1,F3-F5 | Polyfuse | Resettable fuse, polymeric positive temperature coefficient |
| J1-J3 | Conn_Coaxial | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J4,J17 | Conn_01x03_Socket | Generic connector, single row, 01x03, script generated |
| J5,J6,J9,J14 | Conn_01x02_Pin | Generic connector, single row, 01x02, script generated |
| J7,J10 | Conn_01x02_Socket | Generic connector, single row, 01x02, script generated |
| J8 | Conn_01x03_Pin | Generic connector, single row, 01x03, script generated |
| J11,J16 | Conn_01x20_Socket | Generic connector, single row, 01x20, script generated |
| J12 | SLOT 2 | Generic connector, double row, 02x10, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J13,J15,J21 | SLOT 1 | Generic connector, double row, 02x10, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J18 | EZO Carrier Board | Generic connector, single row, 01x05, script generated |
| J24 | RPi Zero 2 W | Generic connector, double row, 02x20, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R3,R7-R9,R19-R22,R42,R46-R51 | R | Resistor |
| R2 | 100k Ohm | Resistor |
| R4-R6,R31-R35 | 0 | Resistor |
| R10,R13,R15,R38,R39 | 10k | Resistor |
| R12 | 27k | Resistor |
| R14,R23 | 0 Ohm | Resistor |
| R16,R52 | 5k | Resistor |
| R17 | 7.2k | Resistor |
| RN1 | R_Pack03_SIP | 3 resistor network, parallel topology, SIP package |
| R_shunt_batt1 | 0.1 Ohm 0.1% / 1Amp | Resistor |
| TP_BATT_SENSE+1 | TestPoint | test point |