TTGO ESP32-Paxcounter LoRa32 V2.1 1.6 Version 433/868/915MHZ LoRa ESP-32 OLED 0.96 Inch SD Card WIFI Module Custom PCB
TTGO ESP32 - Paxcounter LoRa32 V2.1_1.6 version 433/868/915Mhz ESP32 LoRa OLED 0.96 Inch SD Card Blth WIFI Wireless Module ESP-32 SMA Product Description Working voltage: 1.8~3.7v Acceptable current：10~14mA Transmit current: 120mA@+20dBm 90mA@+17dBm 29mA@+13dBm Operating frequency: 868M/915MHz Transmit power: +20dBm Receive sensitivity :-139dBm@LoRa &62.5Khz&SF=12&146bps -136dBm@LoRa &125Khz&SF=12&293bps -118dBm@LoRa &125Khz&SF=6&9380bps -123dBm@FSK&5Khz&1.2Kbps Frequency error：+/-15KHz FIFO space ： 64Byte Data rate ：1.2K~300Kbps@FSK 0.018K~37.5Kbps@LoRa Modulation Mode ：FSK,GFSK,MSK,GMSK,LoRa TM，OOK Interface form ： SPI Sleep current ：0.2uA@SLEEP 1.5uA@IDLE Operating temperature ：-40℃- +85℃ Digital RSSI function Automatic frequency correction Automatic gain control Fast wake-up and frequency hopping Highly configurable data packet handler SMA Antenna TTGO LoRa32 V2.1_1.6 version Structure diagram Pin Schematic LORA_1.5 version and LORA_1.6 version pin comparison： LORA_1.5 version： LORA_1.6 version： LED： IO23 IO25 LORA pin: IO18=NSS/SEL IO18=NSS/SEL IO5=SCK IO5=SCK IO27=MOSI/SDI IO27=MOSI/SDI IO19=MISO/SDO IO19=MISO/SDO IO26=DI0/IO0 IO26=DI0/IO0 IO12=IRQ/RESET IO23=IRQ/RESET SD card: SD3-CS-IO13 SD3-CS-IO13 CMD-MOS1-IO15 CMD-MOS1-IO15 CLK-SCK-IO14 CLK-SCK-IO14 SD0-MISO-IO2 SD0-MISO-IO2 DATA2:IO12 DATA2:IO4 At the TTGO LoRa V2.1_1.6 ,we add the SMA and TP4054 to the board,which make it can do more things.In terms of the power switch, we have changed the switching interaction mode. The added SMA antenna can enhance signal transmission. (Notice:The shipping list does not include battery and SD card） Shipping List 1 X TTGO LoRa32 V2.1 433/868/915 Module 2 X Pin 1 X Antenna 1 X Power Cable 1 X Free Box