HT-CT62, ESP32C3 + SX1262 LoRa Node, Meshtastic and LoRaWAN Compatible

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Description

Characteristics

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Description

Summary

HT-CT62 is a LoRa/LoRaWAN node module with a long communication range, low power consumption, high sensitivity, and low cost. The module is composed of ESP32-C3FN4 (32-bit microprocessor based on RISC-V architecture) and Semtech LoRa Transceivers (SX1262). The module integrates 2.4 GHz Wi-Fi and LoRa two-mode wireless communication. HT-CT62 is a small volume, stamp hole package module, it’s the best choice for smart cities, smart farms, smart homes, and IoT makers.

Main Features

Microprocessor: ESP32-C3FN4 (RISC-V architecture 32-bit, main frequency up to 160 MHz)
Integrated WiFi network connection, onboard Wi-Fi, IPEX socket.
Support the Arduino development environment;
LoRaWAN 1.0.2support;
Ultra low power design, 10uA in deep sleep;
1.27 stamp edge design for SMT;
Good impendence matching and long communication

Specifications

Parameters	Description
Master Chip	ESP32-C3FN4(32-bit@RISC-V architecture)
WiFi	802.11 b/g/n, up to 150Mbps
LoRa Chipset	Chipset SX1262
Frequency	470~510MHz, 863~928MHz
Max. TX Power	21±1dBm
Max. Receiving Sensitivity	-134dBm
Hardware Resource	5ADC1+1ADC2; 2UART; 1I2C; 3SPI; 15GPIO; etc.
Memory	384KB ROM; 400KB SRAM; 8KB RTC SRAM; 4MB SiP Flash
Interface	2.4G ANT (IPEX1.0); LoRa ANT(IPEX1.0); 2111.27 spacing Stamp hol
Power Consumption	Deep Sleep 10uA
Operating Temperature	-40~85 ℃
Dimensions	17.78 * 17.78* 2.8mm

Description

Pin Map

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Arduino-Compatible

We have done a lot of migration and development, made it perfectly support Arduino^®, can run the LoRaWAN protocol stably.

Stamp edge design

1.27 stamp edge design, can be directly integrated into the application circuit

FAQ

My serial port does not print informatio.

When you use the USB to Serial tool, you need to connect the serial port pins 20/21 of the device, and 17/18 when you connect directly via USB.

My LoRa signal became very bad after welding.

The high temperature may cause the shielding shell of the device to shift, resulting in a short circuit.

I can’t find the board in the board manager.

Please select Wireless Mini Shell.

Docs & Resource

[Resource] — Datasheet
[Resource] —Schematic Diagram
[Resource] — Recommend hardware design
[Docs] — User Manual(Development framework and library installation)
[Attachment] — Pin map
[Attachment] — Footprint
[Resource] — Downloadable Resources

Packing list

The default packing list without selecting any accessories is as follows:

Item	Quantity
HT-CT62	x1

Characteristics

Weight	2 g
Dimensions	2.2 × 2.2 × 0.4 cm
LoRa Band	433MHz, 470~510MHz, 863~870MHz, 902~928MHz

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