SAMDK-300
SAMDK-300
Part of the SAMDK series
Raspberry Pi carrier board with Impinj E310 RAIN RFID reader
The SAMDK-300 turns a Raspberry Pi into a RAIN RFID reader. One 9 to 28 V supply feeds board and Pi. It reaches +30 dBm, -75 dBm sensitivity and 250 tags/s, the entry level of the SAMDK line.
You are prototyping a reader on a Raspberry Pi, or building a small reader that runs your own app. Four antenna ports, up to +30 dBm, 250 tags/s. The entry level of the SAMDK line.
Need a finished reader to install? Choose the EM300 or an EZ model. Need more speed on a Pi? The SAMDK-500 reads 700 tags/s.
Features
- Impinj E310 chip, four antenna ports
- Output power from 0 to +30 dBm in 0.5 dB steps
- Host link to the Pi over I2C, UART or high-speed SPI
- Wi-Fi and BLE through the module's ESP32-S3, which software can disable
- One opto-isolated GPI and one +12 V GPO with software-set voltage
- Two RGB LEDs, a 110 dB buzzer and an RTC with supercap
- 90 x 70 x 45 mm, 180 g, -20 to +50 C
Applications
- Development kit for SAM modules
- Raspberry Pi-hosted RFID readers
- Standalone embedded reader board
- On-reader apps running on the Pi
Technical specifications
| Frequency band | Worldwide RAIN RFID regulatory domain support including USA (FCC) and Europe (ETSI) |
|---|---|
| Max. RF output power | Up to +30 dBm |
| Output power range | From +0 dBm to +30 dBm, configurable in increments of 0.5 dBm |
| RX sensitivity | -75 dBm (max) |
| Read rate | up to 250 tags/s |
| RFID chipset | Impinj E310 |
| GEN2X | Impinj GEN2X support |
| Antenna ports | 4 x SMA female |
|---|---|
| Antenna connector | 4 x SMA female |
| Connectivity | Wi-Fi and BLE via the ESP-32-S3 MCU embedded in the SAM module (can be disabled by software) |
|---|---|
| GPIO | One opto-isolated GPI; one high-power GPO (+12 VDC) with output voltage configurable via software |
| Host interface | Raspberry Pi host (cape for Raspberry Pi 4 per catalog); host link via I2C, UART or high-speed SPI |
| Signaling | Two programmable RGB LEDs and a 110 dB programmable buzzer |
| Status LEDs | Two programmable RGB LEDs and buzzer |
| Real-time clock | Internal RTC with supercap for date/time retention on RPi |
| Power source | DC power supply +9 VDC to +28 VDC via P4 connector; single supply for reader and RPi |
|---|
| Dimensions | 90 x 70 x 45 mm |
|---|---|
| Weight | 180 g (SAMDK PCB and case) |
| Operating temperature | -20 °C to +50 °C |
| Humidity | 5-95% non-condensing |
| Certifications | FCC, Anatel and CE |
Questions we hear
What do I need besides the board?
A Raspberry Pi, one 9 to 28 V supply for both, and antennas. The board talks to the Pi over I2C, UART or SPI. Identix does not supply tags.
Does it have wireless?
Yes. Wi-Fi and Bluetooth LE come from the module's ESP32-S3, and software can turn them off.
