Development Board SX1278 ESP32 Chip OLED WIFI Node 433-470MHz Upgrade Version
Product Features:
-WiFi LoRa 32 is a classic IoT dev-board designed & produced by Heltec Automation(TM), it’s a highly integrated product based on ESP32 + SX127x, it has Wi-Fi, BLE, LoRa functions, also Li-Po battery management system, 0.96″ OLED are also included. It’s the best choice for smart cities, smart farms, smart home, and IoT makers.
Source | Parameter | |
MCU | ESP32( 240MHz Tensilica LX6 dual-core + 1 ULP, 600 DMIPS, 520KB SRAM, Wi-Fi, dual mode Bluetooth) | |
LoRa chip | SX1276 (868 and 915 version); SX1278 (433 and 470 version) | |
LoRa bands | EU_433, CN_470_510, EU_863_870, US_902_928 four bands optional | |
LoRa maximum output power | 18dB ± 2dB | |
Hardware resources | UART x 3; SPI x 2; I2C x 2; I2S x 1 | |
12 – bits ADC; 8 – bits DAC | ||
29 general GPIO | ||
Display | 0.96 inch 128*64 OLED display | |
FLASH | 8MB(64M-bits) SPI FLASH | |
interface | Micro USB x 1; LoRa antenna interface(IPEX) x 1 | |
Size | 50.2 x 25.5 x 9.74 mm | |
USB to UART Bridge | CP2102 | |
Battery Type | 3.7V Lithium(SH1.25 x 2) | |
Battery detection circuit | √ | |
External device power control(Vext) | √ | |
Low power design | Deep Sleep 800uA |
Electrical characteristics | Condition | Minimum | Typical | Maximum |
Power Supply | USB powered(≥500mA) | 4.7V | 5V | 6V |
Lithium powered(≥250mA) | 3.3V | 3.7V | 4.2V | |
3.3V(pin)powered(≥150mA) | 2.7V | 3.3V | 3.5V | |
5V(pin)powered(≥500mA) | 4.7V | 5V | 6V | |
Power consumption(mA) | WIFI scan | 115mA | ||
WIFI AP | 135mA | |||
LoRa 10dB emission | 50mA | |||
LoRa 12dB emission | 60mA | |||
LoRa 15dB emission | 110mA | |||
LoRa 20dB emission | 130mA | |||
Output | 3.3V pin output | 500mA | ||
5V pin output (USB powered only) | Equal to the input current | |||
External device power control (Vext 3.3V) | 350mA |
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- Description
Heltec LoRa Node Products Difference Table:
Product | Type① | MCU | FLASH | Battery | Battery Detect | Vext③ | Low Power④ | Display |
WiFi LoRa 32 | Dev-Board | ESP32 | 4MB | Lithium② | x | x | x | OLED (128x64) |
WiFi LoRa 32(V2) (This item) |
Dev-Board | ESP32 | 8MB | Lithium② | √ | √ | 800uA | OLED (128x64) |
Wireless Stick (Product ID: 1639290) |
Dev-Board | ESP32 | 8MB | Lithium② | √ | √ | 800uA | OLED (64x32) |
Wireless Stick Lite (Product ID: 1638098) |
Dev-Board | ESP32-PICO | 4MB | Lithium② | √ | √ | 35uA | x |
Wireless Shell (Product ID: 1638101) |
Module | ESP32-PICO | 4MB | – | √ | x | 10uA | x |
LoRa Kit 151 (Product ID: 1639289) |
Dev-Board | STM32L151CBU6 | 128kB | Lithium | x | x | 7uA | x |
LoRa Node 151 (Product ID: 1638100) |
Dev-Board | STM32L151CCU6 | 256kB | 1/2 AA Lithium chlorine sulfite battery | √ | √ | 1.8uA | x |
Turtle Board (Product ID: 1638099) |
Dev-Board | STM32L432KC | 256kB | AAA x 2 | √ | √ | 5uA | x |
Package included:
1 x Development Board
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- Q & A
-
: Where is the origin of Elecbee products? Are they certificated?2023-03-03
-
Answer:
Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.
2023-03-03
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: What forms of payment do you accept?2023-03-03
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Answer:
Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.
2023-03-03
-
: When will you arrange shipment?2023-03-03
-
Answer:
After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.
2023-03-03
-
: How to exchange or return?2023-03-03
-
Answer:
1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.
2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;
3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.
2023-03-03
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