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meepdong
Coffee Weighing Scale using HX711
| Reference | Value | Description |
|---|---|---|
| Q1 | MMBT2222A | 600mA Ic, 40V Vce, NPN Transistor, SOT-23 |
| Q2,Q3 | BSS138 | 50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23 |
| U1 | XIAO-ESP32-S3-SMD | |
| U2 | HX711 | 24-bit Analog-to-Digital Converter (ADC) for Weight Scales, SOIC-16 (SOP-16) |
| U3 | SSD1306 | |
| U4 | RT9193-33GB | |
| U5,U6 | TTP223-BA6 |
| C1,C2,C4,C6,C7 | 0.1uF | Unpolarized capacitor |
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| C3,C5,C11,C12,C14 | 10uF | Unpolarized capacitor |
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| C8-C10,C13 | 1uF | Unpolarized capacitor |
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| C15,C16 | 22pF | Unpolarized capacitor |
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| J1 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
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| L1 | 3.3uH | Inductor |
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| R1,R2,R4-R6 | 100 | Resistor, US symbol |
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| R3,R7-R10 | 10K | Resistor, US symbol |
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| R11,R12 | 1K | Resistor, US symbol |
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| T1,T2 | TouchPad | Touch Sensor Pad |
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