rcl57mcu
tomcircuit
MCU-based retrofit to TI-57 Programmable Calculators
Components (14)
| Reference | Value | Description |
|---|---|---|
| Q1-Q4 | DMP2240UDM-7 | |
| U1 | STM32F103TBUx | |
| U2 | TLC5929PWP | |
| U3 | TLV70033_SOT23-5 | |
| U4 | 11AA080/TT | |
| C1,C2,C4,C5 | 100nF | |
| C3,C6 | 4.7uF | |
| J1 | TMC1500 p1-13 | |
| J2 | TMC1500 p28-16 | |
| J3 | STLINK | |
| R1 | 2K | |
| R3 | 47K | |
| R4 | 330 | |
| RN1 | YC158TJR-072KL | Resistor Array 2K x 8 |