SLIM2040 is a custom development board based on the the RP2040 chip. It comes in a slim form factor and some notable additional features.
Designed by SLB Labs in Japan
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SLIM2040 A RP2040-based dev board with some quirks SLIM2040 is a custom development board based on the the RP2040 chip. It comes in a slim form factor and some notable additional features. Product …
Read More…SLIM2040 is a custom development board based on the the RP2040 chip.
It comes in a slim form factor and some notable additional features.
Also available at: https://www.elecrow.com/slim2040.html
| Front | Back |
|---|---|
| Component | Description |
|---|---|
| Board form factor: | 48 × 16 mm |
| Power, data transfer: | Micro USB Type-B interface |
| Power Supply: | 4.5~28V via the USB connector or the provided solder pads |
| Polarity protection: | 40V/1A Schottky diode, shortable via solder pad |
| Storage: | 2MB QSPI flash |
| Interfacing: | 16 × Total GPIO available via solder pads |
| 2 × high-voltage GPIO for industrial integration | |
| 14 × supporting PWM | |
| 1 × 12-bit ADC channels | |
| Peripherals: | I2C0 via JST-SH/Qwiic/StemmaQT connector |
| I2C0 via through hole pads for SSD1306 128 × 32 px OLED | |
| I2C1 via solder pads | |
| SPI0 via solder pads | |
| UART0 via solder pads | |
| UART1 via solder pads | |
| SWC/SWD solder pads | |
| LED: | 1 × Power LED |
| 1 × User LED, PWM controllable | |
| 1 × User WS2812B Neopixel RGB LED (w/ daisychain pad) | |
| Buttons: | 1 × BOOTSEL button - SW1 (doubles up as user input button) |
| 1 x User button - SW2 | |
| 1 × Reset button - SW3 | |
| Software compatibility: | Micropython ・ CircuitPython ・ C/C++ ・ Arduino |
| Dimensions: | Approximately 49 × 17 × 6 mm (w/ USB port, buttons) |
| Approximately 49 × 17 × 9 mm (w/ USB port, buttons, OLED) |
| GPIO | PWM | I2C | SPI | UART | HV-GPIO |
|---|---|---|---|---|---|
| 0 | PWM0A | SDA0 | RX0 | TX0 | - |
| 1 | PWM0B | SCL0 | CS0 | RX0 | - |
| 2 | PWM1A | SDA1 | SCK0 | CTS0 | - |
| 3 | PWM1B | SCL1 | TX0 | RTS0 | - |
| 4 | PWM2A | SDA0 | RX0 | TX1 | - |
| 5 | PWM2B | SCL0 | CS0 | RX1 | - |
| 10 | PWM5A | SDA1 | SCK1 | CTS1 | - |
| 11 | PWM5B | SCL1 | TX1 | TX1 | - |
| 12 | PWM6A | SDA0 | RX1 | TX0 | - |
| 16 | PWM0A | SDA0 | RX0 | TX0 | - |
| 17 | PWM0B | SCL0 | CS0 | RX0 | - |
| 18 | PWM1A | SDA1 | SCK0 | CTS0 | - |
| 19 | PWM1B | SCL1 | TX0 | RTS0 | - |
| 23 | - | - | - | - | OUT |
| 24 | - | - | - | - | IN |
| 26 | PWM5A | SDA1 | SCK1 | CTS1 | - |
GPIO23 = Pin(23, Pin.OUT, Pin.PULL_DOWN)GPIO24 = Pin(24, Pin.IN, Pin.PULL_UP)※ In order for the BOOTSEL button to be recognised as a User button, use: rp2.bootsel_button().
※ High-voltage GPIOs make use of N-Channel MOSFETs.
※ OUT pad can switch a maximum of 30V.
※ IN pad control signal can be up to 12V.
※ All the GPIOs except those labeled as high-voltage (HV) operate in the regular 3.3V limit regardless of the input power voltage.
| Front PCB | Back PCB |
|---|---|
Product page: https://www.elecrow.com/slim2040.html
At the very core of the board there is the RP2040 chip.

Here follows a list of its major characteristics:
| Component | Description |
|---|---|
| CPU: | Dual ARM Cortex-M0+ @ 133 MHz |
| Memory: | 264kB on-chip SRAM in six independent banks |
| Storage: | Support for up to 16MB of off-chip Flash memory via QSPI bus |
| Architecture: | DMA controller |
| Fully connected AHB crossbar | |
| Interpolator and integer divider peripherals | |
| On-chip programmable LDO to generate core voltage | |
| 2 × on-chip PLLs to generate USB and core clocks | |
| Interfacing: | 30 × GPIO pins, 4 of which can be used as analogue inputs |
| Peripherals: | 2 × UARTs |
| 2 × SPI controllers | |
| 2 × I2C controllers | |
| 16 × PWM channels | |
| 1 × USB 1.1 controller and PHY, with host and device support | |
| 8 × PIO state machines | |
| Package: | 7 × 7 mm QFN-56 package |
Other properties include: Supported input power 1.8–5.5V DC Operating temperature -40°C to +85°C Drag-and-drop programming using mass storage over USB Low-power sleep and dormant modes Accurate on-chip clock Temperature sensor * Accelerated integer and floating-point libraries on-chip

https://www.raspberrypi.com/products/rp2040/specifications/
https://www.raspberrypi.com/documentation/microcontrollers/rp2040.html
https://datasheets.raspberrypi.com/rp2040/rp2040-product-brief.pdf
https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf
※
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Products are usually shipped during the weekend unless otherwise specified.
Shipping costs and labels are currently under revision.
| Quantity | Price |
|---|---|
| 1 | $19.90 |
| 2-9 | $11.20 |
| 10+ | $7.47 |
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