High-Performance LoRa Communication Device
The Elecrow ThinkNode M5 is a compact, portable LoRa communication device designed for off-grid messaging, location sharing, and outdoor use. Powered by an ESP32-S3 processor and an SX1262 LoRa chip, it comes pre-installed with Meshtastic firmware and can be configured conveniently via Bluetooth using the official Meshtastic app.
The integrated multi-GNSS module supports GPS, GLONASS, BeiDou, and QZSS for reliable positioning and location sharing. Messages and device information are displayed on the energy-efficient 1.54-inch e-paper screen, while the built-in 1,200 mAh rechargeable battery enables extended mobile operation.
With its integrated LoRa antenna, compact housing, RTC, and support for both Meshtastic and MeshCore firmware, the ThinkNode M5 is a practical communication solution for hiking, camping, remote locations, and emergency situations where conventional mobile networks are unavailable.
Features
LoRa communication
Multi-GNSS positioning
1,200 mAh rechargeable battery
1.54-inch e-paper display
Built-in RTC
Compatible with MeshCore
Compatible with Meshtastic
Specifications
Main Processor (ESP32-S3)
CPU/SoC
Xtensa 32-bit LX7 dual-core processor, clocked at up to 240 MHz
System Memory
512 KB SRAM, 8 MB PSRAM
Storage
4 MB Flash, 384 KB ROM
Firmware
Meshtastic firmware is fully compatible, and the signal is transmitted in LoRa mode
EPD (Electronic Paper Display)
Display Size
1.54 inch EPD (monochrome Ink screen)
Display Materials
E-lnk (Electronic Ink)
Resolution
200 x 200
Driver Chip
SSD1681 (via SPI or I²C interface)
Global Fresh Time
2s
Wireless Communication
Bluetooth
Bluetooth Low Energy and Bluetooth 5.0 (phone configuration)
LoRa
SX1262 LoRa Module, EU 868 MHz(external antenna)
Hardware
Interfaces
USB-C, RP-SMA
Function
GPS Location (GPS, GLONASS, BeiDou, QZSS), EPD Display, RTC, USB 2.0, PMU power management (built-in 1200 mAh lithium battery), buzzer, etc.
Button
Knob Switch, Function Button, Page Turn Button, GPS Switch, Reset Button
LED Indicator
Power supply, GPS/LoRa indication
Others
Power Input
5 V/1 A, supports USB or lithium battery power supply
Power consumption
The maximum working current is about 340 mA (CPU + LoRa module), and the low power consumption is about 34 uA
Operating Temperature
-10~50°C
Storage Temperature
-20~60°C
Relative humidity
10-95%, @ 40°C (non-condensing)
Enclosure
ABS Plastic
Dimensions
82 x 51.6 x 26.3 mm
Weight
81 g
Included
1x Elecrow ThinkNode M5
1x LoRa antenna
1x USB-C cable
1x Manual
Downloads
Manual
The Elektor LoRa NodeVersatile, long-range, 868-MHz remote control with state feedback and STM32 Inside
InteractiveCorrections & Updates || Questions & Answers
Analogue Electronics DesignCase Study #1 — Section 2: Preamplifier optimized for MEMS microphone
My IoT Button: A Button for the WebPart 1: IoT architecture
BASIC for the ESP32 and ESP8266Programming with Annex WiFi RDS
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“A Strong Supporter of Open Internet”Interview with Wienke Giezeman, Initiator of The Things Network
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Easier than imagined!
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Elektor GREEN en GOLD leden kunnen deze uitgave hier downloaden.
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Diederik Jekel opent Electronics & Applications
DEAL: Order the HackRF Pro now and get the e-book "SDR with HackRF One & HackRF Pro" worth €20 for FREE!
HackRF Pro is latest Software Defined Radio (SDR) from Great Scott Gadgets and the powerful successor to the legendary HackRF One. With a frequency range from 100 kHz to 6 GHz, it covers an enormous spectrum for transmitting and receiving radio signals.
Designed as an open-source hardware platform, the HackRF Pro is the ideal tool for analyzing and developing modern wireless technologies. It can be used flexibly as a USB peripheral or programmed for standalone operation.
Specifications
Frequency: 100 kHz to 6 GHz
Adjustable from 0 Hz to 7.1 GHz
Half-duplex transceiver
Up to 20 million samples per second
8-bit quadrature samples (8-bit I and 8-bit Q)
Compatible with GNU Radio, SDR#, and more
Software-configurable RX and TX gain and baseband filter
Software-controlled RF port power (50 mA at 3.3 V)
SMA RF connector
SMA clock input and output for synchronization and triggering
Convenient buttons for programming
Internal pin headers for expansion
High-Speed USB 2.0 with USB-C connector
USB-powered
Open source hardware
Compared to its predecessor, HackRF Pro offers a variety of new features, including:
Wider operating frequency range
Improved RF performance with flatter frequency response
USB-C connector
Built-in TCXO crystal oscillator for superior timing stability
Logic upgrade from a CPLD to a power-efficient FPGA
Elimination of the DC spike
Extended-precision mode with 16-bit samples for low sample rates (typical ENOB: 9-11)
Half-precision mode with 4-bit samples at up to 40 Msps
More RAM and flash memory for custom firmware
Installed shielding around the radio section
Trigger input and output accessible through clock connectors
Cutout in the PCB provides space for future add-ons
Improved power management
Enhanced RF port protection
Facility to hardware-disable transmit mode
Full Compatibility: Thanks to its proven architecture, existing software for the HackRF One can also be used directly with the HackRF Pro. The HackRF Pro offers seamless backward compatibility while significantly increasing performance.
Note: An antenna is not included. We recommend the ANT500 for the best experience.
Included
HackRF Pro SDR with plastic enclosure
E-book: SDR with HackRF One & HackRF Pro (normal price: €20)
Downloads
Documentation
GitHub
Diese Ausgabe steht allen GOLD- und GREEN-Mitgliedern auf der ElektorMagazine-Website zum Download bereit!
Sie sind noch kein Mitglied? Hier klicken!
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The SDRplay RSP1B is an enhanced version of the popular RSP1A – a powerful, wideband, full-featured 14-bit SDR that covers the RF spectrum from 1 kHz to 2 GHz. The RSP1B comes in a rugged, black-painted steel case and offers significantly improved noise performance.
All it needs is a computer and an antenna to deliver excellent communications-receiver functionality. It includes a choice of SDRuno for Windows and the multi-platform SDRconnect software for Windows, macOS, and Linux (supplied free of charge by SDRplay). You can monitor up to 10 MHz of spectrum at a time.
A documented API allows developers to create new demodulators or applications for the platform.
Features
Covers all frequencies from 1 kHz through VLF, LF, MW, HF, VHF, UHF and L-band to 2 GHz, with no gaps
Receive, monitor and record up to 10 MHz of spectrum at a time
Free use of windows-based SDRuno software which provides an ever-increasing feature-set
Strong and growing software support network
Calibrated S meter/ RF power and SNR measurement with SDRuno (including datalogging to .CSV file capability)
Documented API provided to allow demodulator or application development on multiple platforms
Excellent dynamic range for challenging reception conditions
Works with popular 3rd party SDR software (including HDSDR, SDR Console and Cubic SDR)
ExtIO based plugin available
Software upgradeable for future standards
Strong and growing software support network
API provided to allow demodulator or application development
Multiplatform driver and API support including Windows, Linux, Mac, Android and Raspberry Pi
Up to 16 individual receivers in any 10 MHz slice of spectrum using SDRuno
Calibrated S meter and power measurements with SDRuno
Stand-alone windows-based spectrum analyser software available (with sweep, sample and hold features)
Ideal for monitoring of ISM/ IoT/ Telemetry bands <2 GHz
Ideal for portable operation
Specifications
Frequency Range
1 kHz – 2 GHz
Antenna Connector
SMA
Antenna Impedance
50 Ohms
Current Consumption (Typical)
185 mA (excl. Bias-T)
USB Connector
USB Type B
Maximum Input Power
+0 dBm Continuous+10 dBm Short Duration
ADC Sample Rates
2-10.66 MSPS
ADC Number of Bits
14 bit 2-6.048 MSPS12 bit 6.048-8.064 MSPS10 bit 8.064-9.216 MSPS8 bit >9.216 MSPS
Bias-T
4.7 V100 mA guaranteed
Reference
0.5ppm 24 MHz TCXO.Frequency error trimmable to 0.01ppm in field.
Operating Temperature Range
-10˚C to +60˚C
Dimensions
98 x 88 x 34 mm
Weight
110 g
Downloads
Datasheet
Software
RSP1B vs RSPdx vs RSPduo
RSP1B
RSPdx
RSPduo
Continuous coverage from 1 kHz to 2 GHz
✓
✓
✓
Up to 10 Mhz visible bandwidth
✓
✓
✓
14-bit ADC silicon technology plus multiple high-performance input filters
✓
✓
✓
Software selectable AM/FM & DAB broadcast band notch filters
✓
✓
✓
4.7 V Bias-T for powering external remote antenna amplifier
✓
✓
✓
Powers over the USB cable with a simple type B socket
✓
✓
✓
50Ω SMA antenna input(s) for 1 kHz to 2 GHz operation (software selectable)
1
2
2
Additional software selectable Hi-Z input for up to 30 Mhz operation
✓
Additional software selectable 50Ω BNC input for up to 200 MHz operation
✓
Additional LF/VLF filter for below 500 kHz
✓
24 MHz reference clock input (+ output on RSPduo)
✓
✓
Dual tuners enabling reception on 2 totally independent 2 MHz ranges
✓
Dual tuners enabling diversity reception using SDRuno
✓
Robust and strong plastic case (with internal RF shielding layer)
✓
Rugged black painted steel case
✓
✓
Overall performance below 2 MHz for MW and LF
+
++
+
Multiple simultaneous applications
+
+
++
Performance in challenging fading conditions (*using diversity tuning)
+
+
*++
Elektor GREEN and GOLD members can download their digital edition here.
Not a member yet? Click here.
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