Update information Note After the product is updated the Bluetooth has been built in ESP32 chip and the user only needs to burn the Bluetooth program to use the Bluetooth function Product Description The 433MHz antenna must be used in conjunction with the IPEX interface if the antenna is not connected it may damage the LoRa chip Lithium battery charging and discharging circuit when the battery is full the blue LED will stop working When using pay attention to the positive and negative of the battery otherwise it will be damaged Using the IO port touch screen touch signal input you need to add the 100nF pull down capacitor at this pin Example This product is a SX1278 chip based on ESP32 WIFI increased OLED namely LoRa remote modem 433MHz frequency high sensitivity is about 148dBm 20dBm output power high reliability long transmission distance The onboard 16 Mt bytes 128 Mt bit Wi Fi antenna 0 96 inch blue OLED display lithium battery charging circuit CP2102 interface and USB serial chip the perfect support for development environment can be used for program verification and product development is very simple and fast Operating voltage 3 3V to 7VOperating temperature range 40 degrees C to 90 degrees CSupport for Sniffer Station softAP and Wi Fi Direct modesData rates 150 Mbps 11n HT40 72 Mbps 11n HT20 54 Mbps 11g 11 Mbps 11bTransmit power 19 5 dBm 11b 16 5 dBm 11g 15 5 dBm 11nReceiver sensitivity up to 98 dBmUDP sustained throughput of 1
Price history
Apr 18, 2022
€8.07