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 Eason wireless module

Wireless temperature and humidity acquisition yl-103

Chip solution :LoRa/NB-IoT
carrier frequency :433MHz、490MHz
Transmitting power :LoRa20dBm/NB-IoT23dBm
Communication distance : up to 1km / with Nb IOT signal unlimited
Product size :104.5*69.5*11.3mm
communication interface :TTL/USB
Product introduction This is a set of low-power digital temperature and humidity wireless acquisition and monitoring alarm system based on Lora communication. The terminal device is a card type low-power digital temperature and humidity wireless sensor. Stm8l, a high-performance and low-power single-chip microcomputer, is used to collect sensing data and transmit wireless data. Si7006 is a low-power and high-precision digital temperature and humidity sensor chip with silicon labs. Wireless data transmission is based on Semtech's low-power long-distance Lora spread spectrum wireless data transmission scheme sx1278, which has sleep wireless wake-up function, and the signal coverage is 1km. Built in 2300mah rechargeable lithium battery, super long service life, reusable. Card type ultra-thin design, small size, easy to install. Supporting the Lora module of the company's serial port, it can realize data collection methods such as mobile acquisition of palm computer, fixed collection of PC, cloud collection of gateway, etc.


 Temperature and humidity acquisition terminal yl-103 Temperature and humidity acquisition terminal yl-103 Temperature and humidity acquisition terminal yl-103 Temperature and humidity acquisition terminal yl-103


performance parameter Parameter value
Specification parameters Lora scheme NB IOT scheme
Communication frequency 433MHz、490MHz All China Netcom network system
Communication distance The sight distance of open land is 1km With Nb IOT signal coverage, unlimited
Power supply mode Built in 2300mah rechargeable lithium battery (optional for high and low temperature batteries)
Charging interface Mini USB, when charging, the red and blue indicator is always on, when fully charged, the blue light is off
Temperature detection -20 ~ 60 ℃ (conventional lithium battery), - 40 ~ 60 ℃ (low temperature lithium battery), - 40 ~ 85 ° C (lithium sub battery), ± 1 ℃;
Humidity detection 0–99%RH,± 5% RH
Dormant current 10uA
Parameter setting Uart-ttl (Mini USB connector) or wireless connection configuration
Collection mode It can be set as short as 1 minute and up to 65536 minutes. If it is not set, it will not be reported
Detection period 10 seconds, the red light flashes
Alarm threshold The temperature and humidity alarm value can be set. When an alarm occurs, it will be reported three times within one minute; if it is not set, it will not be reported
Size and weight 104.5 * 69.5 * 11.3mm, 85g (including lithium battery)


 Wireless temperature and humidity sensor

Pin definition and Description:

Serial number name Description function
one VCC Dc5-24 V power supply positive input
two GND The negative pole of power supply is grounded
three RX Data communication TTL receiving, receiving user TTL transmitting
four TX Data communication TTL transmitting, receiving user TTL receiving
5、6、7、8 P0、P1、P2、23 General IO port
nine RX1 Parameter setting TTL receive, receive user TTL transmit
ten TX1 Parameter setting TTL transmit, receive user TTL receive
11-12 P4、P5 General IO port


Product application
It is widely used in communication room, workshop production line, drug warehouse, large logistics warehouse, agricultural greenhouse, greenhouse flower greenhouse, archives, museum, HVAC control and other application scenarios that need temperature and humidity monitoring and alarm


Products Links
Lora gateway yl-701 Product introduction
Serial wireless data transmission module yl-800d Product introduction
Serial wireless data transmission module yl-900d Product introduction
Serial wireless data transmission module yl-2w Product introduction
Wireless transceiver module yl-800t Product introduction
Wireless module yl-800il Product introduction
Wireless module yl-900il Product introduction