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- Lastest ESP32 Version: REV1
- Connectivity: WIFI & Bluetooth
- Memory: 4MB Flash4MB PSRAM
- Lithium battery interface, 500mA Max charging current
- Onboard TF CARD Slot
- Default firmware: Latest Micropython firmware
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- ESP32 VCC range:2.2-3.6 V
- VBAT: direct to battery
- VCC: output of regulator 3.3V/600mA up to 250 mA during RF transmissions
- WiFi And Bluetooth Module
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- Operating voltage: 3.3V / 5V
- Interface: 3-wire SPI, 4-wire SPI
- Outline dimension: 42mm × 27mm
- Display size: 21.76mm × 14mm
- Dot pitch: 0.175 × 0.17
- Resolution: 128 × 80
- Display color: black, white
- No backlight keeps displaying last content for a long time even when power down
- Ultra-low power consumption, basically power is only required for refreshing
- SPI control interface, for working with host boards such as Raspberry Pi/Jetson Nano/Arduino.
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- Operating voltage: 3.3V/5V
- Interface: 3-wire SPI, 4-wire SPI
- Dot pitch: 0.181 × 0.181
- No backlight keeps displaying last content for a long time even when power down
- Ultra-low power consumption, basically power is only required for refreshing
- SPI interface, for connecting with controller boards like Raspberry Pi/Nucleo, etc.
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- Operating voltage: 3.3V/5V
- Display color: ACep 7-Color
- Interface: 3-wire SPI, 4-wire SPI
- Crey scale: 2
- Display size: 86.40 × 54.00mm
- Dot pitch: 0.135 × 0.135mm
- Resolution: 640 × 400 pixels
- Advanced Color ePaper (ACeP) technology, supports a 7-Color display
- No backlight keeps displaying last content for a long time even when power down
- Ultra-low power consumption, basically power is only required for refreshing
- Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano
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- Power: NFC-powered
- Resolution: 400×300
- Dot pitch: 0x212x 0x212
- Refresh time: 4s
- No backlight required, e-Paper keep displaying the last content for a long time without power
- No power adapter required
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- Operating Voltage: 3.3V
- Gray Scale: 2
- Interface: 3-wire SPI, 4-wire
- SPI Partial Refresh Time: 0.3s
- Full Refresh Time: 2s
- Refresh Power: 26.4mW(Typ.)
- Dot Pitch : 0.194 x0.194mm
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- LoRa Spread Spectrum modulation technology
- Constant RF power output at + 20dBm-100mW voltage change
- High sensitivity: down to -148dBm
- Half-duplex SPI communication
- Programmable bit rates up to 300kbps
- Supports FSK, GFSK, MSK, GMSK, LoRa and OOK modulation modes
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- Compatible with 3.3v or 5v I/O Arduino Board.
- Frequency Band: 433 MHZ (Pre-configure in factory)
- Low power consumption
- Compatible with Arduino Leonardo, Uno, Mega2560, DUE
- External Antenna via SMA Jack
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- 168 dB maximum link budget.
- +20 dBm – 100 mW constant RF output vs.
- +14 dBm high-efficiency PA.
- Programmable bit rate up to 300 kbps.
- High sensitivity: down to -148 dBm.
- Bullet-proof front end: IIP3 = -12.5 dBm.
- Excellent blocking immunity.
- Low RX current of 10.3 mA, 200 nA register retention.
- Fully integrated synthesizer with a resolution of 61 Hz.
- FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
- Built-in bit synchronizer for clock recovery.
- Preamble detection.
- 127 dB Dynamic Range RSSI.
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- Supply voltage 3.3V / 5V
- Operating temperature 0~40℃
- Storage temperature -25~60℃
- Humidity range 40~70%RH
- Display resolution 152(H) x 152(V) pixel
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- Supply voltage 3.7V – 5V
- Mini and compact size
- Output power +20.8 dBm at 3.3V
- Sensitivity-116.5 dBm ~ -136 dBm
- ModulationLoRa, (G)FSK, (G)MSK, BPSK
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- Supply voltage 3.3V / 5V
- On-chip display RA
- DPI 111
- Interface UART
- Baud rate with Arduino 230400
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- Communication distance: 15KM
- Sensitivity: down to -148dBm
- Programmable bit rates: up to 300kbps
- RSSI dynamic range: 127dB
- Wireless frequency: 433MHz
- Working voltage: 1.8-3.7v
- Working temperature: -40-+80 ℃
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- Model No.:E32-900T30D
- Port Number:1
- Interface Type: CDMA
- Working Frequency Range:862 to 915 MHz
- Operating Distance Range (Meter):8000
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- Input Voltage DC 5V – 3A
- Processor Raspberry Pi 4 (Broadcom BCM2711, Quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz)
- RAM: 4GB
- Storage: 64GB MicroSD Card
- Wi-Fi 2.4 GHz and 5.0 GHz IEEE 802.11ac wireless
- Bluetooth 5.0, BLE
- LoRaWAN Supports Class A, C
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