WP 34s
 HP 30b based WP 34s | |
| Type | Programable, Scientific |
|---|---|
| Calculator | |
| Entry mode | RPN |
| Display type | LCD seven-segment display dot-matrix display |
| Display size | 12+3 digits and 8 characters |
| CPU | |
| Processor | 30 MHz Atmel AT91SAM7L128 (ARM7TDMI core) |
| Programming | |
| Programming language(s) | RPN Keystroke |
| Program steps | 925 steps in RAM |
| Other | |
| Power supply | 2× CR2032 batteries (1 required, 1 optional) |
| Power consumption | 0.25 mW |
| Weight | 115 g |
| Dimensions | 77 × 149 × 16 mm |
OverviewEdit
Flashing the firmwareEdit
| Board | Manufacturer | UART chip | Chip manufacturer | Status |
|---|---|---|---|---|
| Metro Mini | Adafruit | FT231x | FTDI | Working |
| ESP32 devkit v1 | Doit/generic | CP2104 | Silabs | Working |
| Arduino Nano | Arduino | FT232RL | FTDI | Unconfirmed |
| Arduino Nano | Generic | CH340 | WCH | Not working |
| Arduino Mega | Generic | CH340 | WCH | Not working |
| USB-232 | Parallax | FT232RL | FTDI | Not working |
| Arduino Uno | Arduino | Atmega 16u2 | Atmel/microchip | Not working |
| Heltec ESP32 | Heltec/generic | CP2102 | Silabs | Inconclusive |
| Metro Mini | Adafruit | CP2102 | Silabs | Not tested |