Minimum input voltageUse-dependent
Part A6 V
Part B5 V
Part comparison
A side-by-side comparison of source-backed specifications within the same subcategory.
Directional spec summary
Counts across 6 numeric specifications with a clear higher-or-lower direction.
Part A leads
0
Tied
3
Part B leads
3
These are metric-by-metric differences, not an overall performance score. Check the values below.
22 specifications compared side by side.
| Compare bySpecification | AArduinoArduino UNO R4 Minima | BROBOTISROBOTIS OpenCR1.0 |
|---|---|---|
| Electrical3 | ||
| Minimum input voltageUse-dependent | 6 V | 5 V |
| Maximum input voltage | 24 V | 24 V |
| Logic voltageUse-dependent | 5 V | 3.3 V |
| Control & communication19 | ||
| Board kind | Main controller | Main controller |
| Board architectureUse-dependent | Microcontroller board | microcontroller |
| Primary applicationUse-dependent | education;robotics;embedded_control | dynamixel;ROS;robot_control |
| Processor vendorUse-dependent | Renesas | STMicroelectronics |
| ProcessorUse-dependent | RA4M1 | STM32F746ZGT6 |
| Processor architectureUse-dependent | ARM Cortex-M4 | ARM Cortex-M7 |
| Processor clock | 48 MHz | 216 MHz168 MHz higher |
| Open-source hardware | Yes | Yes |
| Open-source firmware | Yes | Yes |
| SDK available | Yes | Yes |
| Firmware updatable | Yes | Yes |
| UART interfaces | 1 | 21 higher |
| I2C interfaces | 1 | 1 |
| SPI interfaces | 1 | 1 |
| USB interfaces | 1 | 1 |
| GPIO | 14 | 184 higher |
| Communication interfacesUse-dependent | UART;I2C;SPI;USB | USB;TTL;RS485;UART;CAN;I2C;SPI;GPIO;DYNAMIXEL |
| Compute board kind | microcontroller | microcontroller |
| MicrocontrollerUse-dependent | RA4M1 | STM32F746ZGT6 |
Product sources used by this comparison