hardware
tag-designs
Hardware designs for tags and bases
Components (22)
| Reference | Value | Description |
|---|---|---|
| Q1 | Q_NPN_BEC | NPN transistor, base/emitter/collector |
| U1 | XC6206 | Positive 60-250mA Low Dropout Regulator, Fixed Output, SOT-23 |
| U2 | SiP32432DR3 | 10 pA, Ultra Low Leakage and Quiescent Current, Load Switch with Reverse Blocking, Low Enable, SC-70-6 |
| U3 | stm32U375 | |
| U4 | USBLC6-2P6 | Very low capacitance ESD protection diode, 2 data-line, SOT-666 |
| U5 | stm32l432 | |
| U6 | RV-3028-C7 | |
| U7,U8 | SN74LVC1T45DCK | Single-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and 3-State Outputs, SOT-363 |
| U10 | AP2112K-1.8 | 600mA low dropout linear regulator, with enable pin, 2.5V-6V input voltage range, 1.8V fixed positive output, SOT-23-5 |
| U11 | TPS7A0218PDBVR | |
| U105 | Tactile Switch | |
| C1,C12,C104-C106,C108,C112,C114 | 1uF | |
| C2,C3,C5-C7,C9,C11,C101-C103,C107,C109-C111,C113 | 0.1uF | |
| C8 | 4.7uF | Unpolarized capacitor |
| D1 | LED-GREEN | Light emitting diode |
| D4 | D_Schottky | Schottky diode |
| D105 | LED-RED | Light emitting diode |
| J104 | USB_B_Mini | USB Mini Type B connector |
| R1,R2,R106 | 100 | |
| R3,R7,R105 | 12K | Resistor |
| R104 | 2.2K | |
| R107 | 200 |