Bill Of Material (BOM)
warning
Add all miscellaneous components
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| PCB | 1 | 5 | PCBWay |  |
| Rotary push button knob | 1 | 0.18 | Aliexpress |  |
| Miscellaneous small material | 1 | 5 |
Microcontroller
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| Atmega32U4 44TQFP | 1 | 3.6 | Mouser |  |
| Capacitor 1 uF 0805 | 1 | 0.16 | Mouser |  |
| Capacitor 100 nF 0805 | 3 | 0.16 | Mouser | |
| Capacitor 18 pF 0805 | 2 | 0.16 | Mouser | |
| Crystal 8 MHz 5032 | 1 | 0.78 | Mouser |  |
| Resistor 1 MOhm 0805 | 1 | 0.10 | Mouser |  |
| Resistor 10 kOhm 0805 | 2 | 0.10 | Mouser |  |
Power
I2C
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| RJ-11 connector 6P6C (RJ12) | 1 | 0.10 | Aliexpress |  |
| Resistor 10k 0805 | 2 | 0.10 | Mouser | |
USB
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| Resistor 22 ohms 0805 | 2 | 0.12 | Mouser | |
| USB mini PCB connector | 1 | 0.06 | Aliexpress |  |
| Capacitor 10 uF 0805 | 1 | 0.11 | Mouser | |
Power protection
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| Schottky diode MBR0520LT1G SOD-123 | 3 | 0.38 | Mouser |  |
| Capacitor 10 uF 0805 | 2 | 0.11 | Mouser | |
| Capacitor 100 nF 0805 | 1 | 0.16 | Mouser | |
| Voltage regulator to 5 V - MCP1703 | 1 | 0.74 | Mouser |  |
| Header 1x2 pin 2.54 mm | 2 | 0.04 | Aliexpress |  |
Battery charger
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| Capacitor 10 uF 0805 | 2 | 0.11 | Mouser | |
| Capacitor 100 nF 0805 | 1 | 0.16 | Mouser | |
| Resistor 10k 0805 | 3 | 0.10 | Mouser | |
| Resistor 100 kOhm 0805 | 1 | 0.10 | Mouser | |
| Resistor 1MOhm 0805 | 2 | 0.10 | Mouser | |
| Li-Ion/Li-Po Charger MCP73811 | 1 | 0.69 | Mouser |  |
| MOSFET transistor - DMP1045 | 1 | 0.49 | Mouser | |
| Schottky diode MBR0520LT1G SOD-123 | 1 | 0.38 | Mouser | |
| JST XH 2P Male | 1 | 0.02 | Aliexpress |  |
3.3 V power supply
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| Capacitor 22 uF 0805 | 2 | 0.16 | Mouser | |
| Capacitor 10 uF 0805 | 1 | 0.11 | Mouser | |
| Capacitor 100 nF 0805 | 1 | 0.16 | Mouser | |
| Resistor 10 kOhm 0805 | 1 | 0.10 | Mouser | |
| Resistor 1 kOhm 0805 | 1 | 0.10 | Mouser | |
| AP63203 3.3 V buck converter - SOD-23-6 | 1 | 0.03 | Mouser | |
| Inductor 3.9 uH 0403 | 1 | 0.64 | Mouser |  |
| Schottky diode MBR0520LT1G SOD-123 | 1 | 0.38 | Mouser | |
| Led Red 0805 | 1 | 0.19 | Mouser |  |
| Led Green 0805 | 1 | 0.19 | Mouser | |
Power and communication LEDs
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| Led Green 0805 | 2 | 0.19 | Mouser | |
| Led Yellow 0805 | 1 | 0.19 | Mouser | |
| Resistor 1 kOhm 0805 | 1 | 0.10 | Mouser | |
| Resistor 10 kOhm 0805 | 2 | 0.10 | Mouser | |
One wire
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| Resistor 4.7 kOhm 0805 | 2 | 0.10 | Mouser | |
| Resistor 1 kOhm 0805 | 4 | 0.10 | Mouser | |
| Resistor 100 Ohm 0805 | 2 | 0.10 | Mouser | |
| Led Yellow 0805 | 2 | 0.19 | Mouser | |
| DS18B20 temperature with cable | 2 | 0.59 | Aliexpress |  |
| 3.5 mm male plug | 1 | 0.26 | Aliexpress |  |
| 3.5 Female jack PCB PF3024M | 1 | 0.17 | Aliexpress |  |
Food
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| JST XH 2P Male | 4 | 0.02 | Aliexpress | |
| MOSFET transistor - ZXMS6004 | 4 | 0.94 | Mouser | |
| Resistor 10 kOhm 0805 | 4 | 0.01 | Mouser | |
| Led blue 0805 | 4 | 0.19 | Mouser | |
| Peristaltic pumps | 2 | 9.54 | Aliexpress |  |
ADC
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| HX711 SOP16 | 1 | 0.4 | Aliexpress |  |
| Capacitor 1 uF 0805 | 2 | 0.16 | Mouser | |
| Capacitor 100 nF 0805 | 2 | 0.16 | Mouser | |
| Resistor 10 kOhm 0805 | 1 | 0.10 | Mouser | |
pH
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| TLV6004 14-TSSOP | 1 | 1.03 | Mouser |  |
| Capacitor 22 uF 0805 | 1 | 0.16 | Mouser | |
| Capacitor 100 nF 0805 | 2 | 0.16 | Mouser | |
| Resistor 56.2 kOhm 0805 | 1 | 0.10 | Mouser | |
| Resistor 10 kOhm 0805 | 3 | 0.10 | Mouser | |
| Coaxial Female PCB connector | 1 | 0.27 | Aliexpress |  |
EC
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| TLV6004 14-TSSOP | 1 | 1.03 | Mouser | |
| CD4060BM | 1 | 0.61 | Mouser |  |
| LM2660 | 1 | 1.66 | Mouser |  |
| Capacitor 100 uF | 2 | 0.31 | Mouser |  |
| Capacitor 10 uF 0805 | 4 | 0.11 | Mouser | |
| Capacitor 220 nF 0805 | 1 | 0.10 | Mouser | |
| Capacitor 100 nF 0805 | 4 | 0.16 | Mouser | |
| Capacitor 1.5 nF 0805 | 1 | 0.10 | Mouser | |
| Resistor 100 kOhm 0805 | 1 | 0.10 | Mouser | |
| Resistor 51 kOhm 0805 | 1 | 0.10 | Mouser | |
| Resistor 36 kOhm 0805 | 5 | 0.10 | Mouser | |
| Resistor 10 kOhm 0805 | 2 | 0.10 | Mouser | |
| Resistor 2 kOhm 0805 | 1 | 0.10 | Mouser | |
| Resistor 820 Ohm 0805 | 1 | 0.15 | Mouser | |
| Diode 1N4148W SOD-123 | 2 | 0.14 | Mouser | |
| Schottky diode MBR0520LT1G SOD-123 | 1 | 0.38 | Mouser | |
| Coaxial Female PCB connector | 1 | 0.27 | Aliexpress | |
Memory
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| SST26VF064B | 1 | 4.33 | Mouser |  |
| Resistor 1 kOhm 0805 | 3 | 0.10 | Mouser | |
| Capacitor 10 uF 0805 | 1 | 0.11 | Mouser | |
LCD
| Denomination | Qty | Unit Price | Supplier | Image |
|---|---|---|---|---|
| LCD 1602 WC1602A 3.3 V | 1 | 1.22 | Aliexpress |  |
| 12mm Rotary Encoder w switch | 1 | 0.37 | Aliexpress |  |
| Resistor 100 Ohm 0805 | 2 | 0.10 | Mouser | |
| Resistor 0 Ohm 0805 | 1 | 0.10 | Mouser | |
| Potentiometer 10 kOhm 3362P | 1 | 0.08 | Aliexpress |  |