Haruki's Meshtastic Experiments

Just my personal experiments.

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LoRa Boards Comparison Table

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ESP32
nRF52840
SX1276
SX1278
SX1262
SX1280
LR1110
Yes
No
Eink
LCD
OLED
TFT
None
Yes
No
Touch
Keyboard
User Button
None
0-20
21-40
41-60
61+
Heltec
Rak Wireless
Lilygo
B&Q Consulting
Seed Studio
Indie
Yes
No
Yes
No
Yes
No
Yes
No
Device Heltec ESP32 V2 Heltec ESP32 V3.1 Heltec ESP32 V3.2 Heltec Wireless Paper Wireless Stick Lite (V3) Heltec Wireless Tracker Heltec Capsule Sensor V3 Heltec Vision Master E213 Heltec Vision Master E290 Heltec Vision Master T190 Heltec Mesh Node T114 WisBlock Start Kit RAK4631 (19003) WisBlock Start Kit RAK4631 (19007) WisMesh Pocket T-Deck T-Echo T-Beam T-Beam Supreme T3-S3 Station G2 Nano G2 Ultra Card Tracker T1000-E WIO WM1110 Tracker
Brand Heltec Heltec Heltec Heltec Heltec Heltec Heltec Heltec Heltec Heltec Heltec Rak Wireless Rak Wireless Rak Wireless Lilygo Lilygo Lilygo Lilygo Lilygo B&Q Consulting B&Q Consulting Seeed Studio Seeed Studio
Average Price USD $15.47 $17.90 $17.90 $15.90 $14.90 $22.90 $25.99 $19.90 $20.90 $19.00 $27.90/ $38.80 $27.99 $29.99 $99.00 $52.13 $54.41 $32.80 $44.17/ $70.17 $17.58 $109.00 $86.00 $39.90 $29.90
MCU Chip ESP32-D0 ESP32-S3 ESP32-S3 ESP32-S3FN8 ESP32-S3 ESP32-S3FN8 ESP32-S3FN8 ESP32-S3R8 ESP32-S3R8 ESP32-S3R8 NRF52840 NRF52840 NRF52840 NRF52840 ESP32-S3 NRF52840 ESP32-D0WDQ6-V3 ESP32-S3FN8 ESP32-S3FH4R2 ESP32-S3 NRF52840 NRF52840 NRF52840
LoRa Chip SX1276 SX1278 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1262 SX1276 SX1278 SX1262 SX1262 SX1276 SX1280 SX1262 SX1262 LR1110 LR1110
GPS/GNSS - - - - - UC6580 L76k - - - L76k - - - - L76k NEO-6M/M8N L76k/ MAX-M10S - - ATGM336H-5N LR1110 LR1110
Charging Interface Micro USB USB-C USB-C USB-C USB-C USB-C Wireless Boot USB-C USB-C USB-C USB-C USB-C USB-C USB-C USB-C USB-C Micro USB USB-C USB-C USB-C USB-C Pogo Pins USB-C
Frequency 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 433~510 MHz, 863~928 MHz 863~928 MHz 863~928 MHz 863~928 MHz 863~928 MHz
Max. TX Power 19 ± 1dB 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 21 ± 1dBm 22 ± 1dBm 22 ± 1dBm 22 ± 1dBm 22 ± 1dBm 22 ± 1dBm 22 ± 1dBm 22 ± 1dBm 22 ± 1dBm 35 ± 1dBm 22 ± 1dBm 20 ± 1dBm 20 ± 1dBm
Max. Receiving Sensitivity -148 dBm -136 dBm -136 dBm -134 dBm -134 dBm -137 dBm -135 dBm -136 dBm -136 dBm -136 dBm -136 dBm -136 dBm -136 dBm -136 dBm -136 dBm -136 dBm -148 dBm -136 dBm -136 dBm ? ? -141 dBm -141 dBm
Wi-Fi YES YES YES YES YES YES YES YES YES YES NO NO NO NO YES NO YES YES YES YES NO NO NO
Bluetooth BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-4.2 (LE) BT-5 (LE) BT-5 (LE) BT-5 (LE) BT-5.4 (LE) BT-5.3 (LE) BT-5.3 (LE)
Display Type OLED OLED OLED E-ink - TFT - E-ink E-ink TFT TFT - - OLED LCD E-ink OLED OLED OLED OLED OLED - -
Display Size 0.96 Inch 0.96 Inch 0.96 Inch 2.13 Inch - 0.96-inch - 2.13 Inch 2.9 Inch 1.9 Inch 1.14 Inch - - 1.3 Inch 2.8 Inch 1.54 Inch 0.96 Inch 1.3 Inch 0.96 Inch 1.3 Inch 1.3 Inch - -
Charging IC TP4054 TP4054 LP4056H TP4054 TP4054 TP4054 TP4054 TP4054 TP4054 TP4054 LP4056H TP4054 TP4054 TP4054 TP4054 TP4054 AXP192 AXP2101 TP4054 ? ? ETA6003 ETA6003
Diagram Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link - Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link Diagram Link not public Diagram Link
Input User Button, Reset Button User Button, Reset Button User Button, Reset Button User Button, Reset Button User Button, Reset Button User Button, Reset Button User Button, Reset Button User Button, Reset Button, 3rd Button User Button, Reset Button, 3rd Button User Button, Reset Button User Button, Reset Button Reset Button Reset Button User Button, Reset Button Touch Screen, Keyboard, trackball, Reset Button User Button, Reset Button, Touch Button User Button, Reset Button, Power Button User Button, Reset Button, Power Button User Button, Reset Button User Button, Reset Button, Boot Button 4 Buttons User Button User Button, Reset Button
Temp/ Humidity Sensor - - - - - - - - - - - - - - - - - - - - - SHT41 SHT41
Air Pressure Sensor - - - - - - - - - - - - - - - - - - - - - - -
Air Quality Sensor - - - - - - - - - - - - - - - - - - - - - -
External Notification - - - - - - - - - - - - - - Buzzer - - - - - - Buzzer -
UART Port - - - - - - - 1x Quiic - - - - - - - - - - - - - - 1X Grove
I2C Port - - - - - - - 1x Quiic 1X Quiic 1X Quiic - - - - - - - - - - - - 1X Grove
Battery - - - - - - 250mAh - - - - - - 3200mAh - 850mAh - - - - - 700mAh -
Enclosure - ABS Case ABS Case - - - ABS Case - - - Resin - - ? - ABS Case - - - Resin Resin ABS Case -
Meshtastic Preloaded - - - - - - Yes - - - Yes - - Yes - Yes Yes Yes - Yes Yes Yes Yes
Memory ROM 448KB ROM 384KB ROM 384KB ROM 384KB ROM 384KB ROM 384KB ROM 384KB ROM 384KB ROM 384KB ROM 384KB ROM 1M ROM ? ? ? 384KB ROM ? 384KB ROM 384KB ROM 384KB ROM 384KB ROM ? - -
Memory SRAM 520KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM 256KB SRAM ? ? ? 512KB SRAM ? 512KB SRAM 512KB SRAM 512KB SRAM 512KB SRAM ?
Memory RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM ? ? ? ? 16KB RTC SRAM ? 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM 16KB RTC SRAM ?
Memory SiP Flash - 8MB SiP Flash 8MB SiP Flash 8MB SiP Flash 8MB SiP Flash 8MB SiP Flash 8MB SiP Flash 8MB SiP Flash 8MB SiP Flash 8MB SiP Flash ? ? ? ? - ? 8MB SiP Flash 16MB SiP Flash
Memory PSRAM - - - - - - - 8MB PSRAM 8MB PSRAM 8MB PSRAM - - - - 8MB PSRAM - 8MB PSRAM 8MB PSRAM 2MB PSRAM 8MB PSRAM - - -
Memory Flash - - - - - - - 16MB Flash 16MB Flash 16MB Flash - 1MB Flash 1MB Flash 1MB Flash 16MB Flash 1MB Flash 4MB Flash 8MB Flash 4MB Flash 16MB Flash 1MB Flash 1MB Flash 1MB Flash