WellD
kinggh0stee
ESP32-C6 Zigbee well monitor — reads a 4–20 mA pressure transducer and DS18B20, reports water level, temperature, and battery to Zigbee2MQTT with OTA update support
Components (87)
| Reference | Value | Description |
|---|---|---|
| Q2,Q4,Q7 | AO3400A | |
| Q6 | FS8205A | |
| U1 | HT7333-A | |
| U6 | ESP32-C6 | |
| U7 | CN3791 | |
| U8 | MT3608B | |
| U9 | ADS1115 | |
| U11 | USBLC6 | |
| U12 | TP4056 | |
| U13 | DW01A | |
| U14 | LM393 | |
| BT1 | BH-18650 | |
| C3,C5,C10,C12,C24,C36 | 1uF | |
| C4,C6,C15,C16,C18,C19,C_BUCK? | 10uF | 10uF 10V X5R 0805 HT7333-A primary output cap on +3V3 rail |
| C7,C9,C11,C13,C21,C23,C30-C33,C_BST?,C_DW?,C_NTC?,C_VG? | 100nF | 100nF 0402 MT3608B bootstrap cap BST(pin6)->SW mandatory gate driver supply |
| C8 | 1nF | |
| C17 | 10uF 35V | |
| C20 | 22uF 25V | |
| C22,C28,C29 | 10uF 25V | |
| C27 | 4.7uF | |
| C34,C35 | 10nF | |
| C_COM? | 220nF | |
| D1,D12 | PRTR5V | |
| D4 | Status | |
| D5,Q3,Q5 | AO3407 | |
| D6 | MBRS140 | |
| D7 | LED | |
| D8,D14 | SMAJ10CA | |
| D9,D10,D13 | SMAJ5.0A | |
| D11 | SMAJ13 | |
| D15,D16,D_SOLAR? | SS34 | |
| F2 | PTC 2A hold | |
| FB1 | Ferrite | |
| GDT1,GDT2 | GDT 90V DNF | Gas discharge tube, LOOP_TERM_CH1 to GND, coarse surge stage, DNF - populate per site,Gas discharge tube, LOOP_TERM_CH2 to GND, coarse surge stage, DNF - populate per site |
| J3 | 132289 | |
| J4 | 4-20mA_1 | |
| J5 | 4-20mA_2 | |
| J6 | DS18B20 | |
| J7 | Spare | |
| J8 | I2C | |
| J9 | GPIO | |
| J10 | PROG | |
| J12 | Solar | |
| J13 | USB-C | |
| L1 | 4.7uH | |
| L_SOLAR? | 22uH | |
| M_SOLAR? | SI2319CDS | |
| R2-R5,R28,R_DW1 | 100R | |
| R6,R9,R10,R25,R26,R38 | 4k7 | |
| R7,R8,R16,R21,R24,R27,R29,R_NT2,R_NT3,R_PU? | 100k | |
| R12,R13,R15,R31 | 10k | |
| R14,R_CS_DW? | 1k | |
| R19 | 0R1 | |
| R20 | 316k | |
| R22 | 1k DNF | |
| R23 | 1.91M | |
| R32 | 33R | |
| R50,R51 | 5k1 | |
| RT1,RT_SOLAR? | NTC 10k B3950 | |
| R_COM? | 120R | |
| R_DRDY? | 4.7k | 4.7k 0402 ADS1115 ALERT/DRDY open-drain pull-up to +3V3 required by datasheet |
| R_DRV? | 300k | |
| R_HYS? | 330k | |
| R_NT1 | 30k | |
| R_NTC? | 5k6 | |
| R_PROG? | 1k2 | |
| SJ1 | VBOOST | |
| SJ2,TP2 | VLOOP | |
| SJ3 | LED_DIS | |
| SJ4 | UART_TX | |
| SJ5 | UART_RX | |
| SW1 | RESET | |
| SW2 | BOOT | |
| TP1 | VBAT | |
| TP3 | +3V3 | |
| TP4 | GND | |
| TP5 | LOOP1 | |
| TP6 | LOOP2 | |
| TP7 | 1WIRE | |
| TP8 | SDA | |
| TP9 | SCL | |
| TP10 | VSOLAR | |
| TP11 | VBAT_RAW | |
| TP12 | ADS_DRDY | |
| TP13 | FACTORY_RESET | |
| TP14 | CHRG_SOL | |
| TP15 | CHRG_USB |