Table 2.
Components/device details.
| Label | Components/Devices |
|---|---|
| 1 | nRF52840 (MCU) |
| 2 | ZS-042 (DS3231 RTC module) |
| 3 | Push-button |
| 4 | MAX6816 (Debounser) |
| 5 | Battery connector |
| 6 | SN74AUP1G58 (Universal gate) |
| 7 | 74AUP1G00 (NAND gate) |
| 8 | SN74LVC1G373 (D-type latch) |
| 9 | RC delay element |
| 10 | TPS22860 (Digital switch) |
| 11 | MCP1725 (Voltage regulators) |
| 12 | Power connector for the strain-to-voltage conversion circuit |
| 13 | Differential voltage input connector |
| 14 | RC low pass filter |
| 15 | ADS1220 (24-bit ADC) |
| 16 | 8-pin EPD driver connector |
| 17 | Connector for supplying power supply to the circuit |
| 18 | Bridge balancing resistors |
| 19 | Probes for output differential voltage |
| 20 | Strain leads for half-bridge configuration |
| 21 | EPD |
| 22 | EPD driver circuit |