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EverSpring Power Washing

$75.00 USD
$75.00 USD
Sale Sold out

ESP-32 and LoRa board with DAC and ADC, 12V input. 

ESP32-S3 and SX1262 MCU board. 

ADS1115 DAC 

12V input 

ESD and polarity protection. 

USB-UART via CP2102. 

 

Features:

  • ESP32-S3-WROOM-1U-N8R8 — beefy module with 8MB flash, 8MB PSRAM
  • CP2102N USB-to-serial for programming
  • SX1262 915MHz LoRa transceiver with RF_UFL antenna connector
  • Two ADS1115 ADCs — 12 analog inputs total across 0x48 and 0x49 addresses
  • MCP4728 quad DAC at 0x60
  • LM2596 buck converter for 12V to 3.3V
  • AMS1117 LDO for 5V to 3.3V
  • TPS2113 power mux
  • AO4407A P-MOSFET for power switching
  • TPD6E004 and TPD4E1B06 ESD protection arrays throughout
  • Multiple XH and PH JST connectors for valve/sensor connections
  • Auto-programming circuit with the BC817 transistors on EN/GPIO0

Board is not FCC certified, ESP-32-S3 module is FCC certified. For development use only. 

Lir Pro — Board Pinout

Lir Pro

ESP32-S3-WROOM-1U · SX1262 LoRa 915MHz · ADS1115 ×2 · MCP4728 · BOARD PINOUT REV 1.0
POWER
GND
GPIO
ADC IN
DAC OUT
I²C
LoRa SPI
CTRL
USB/SER
CN6 · B8B-XH-A · GPIO DIGITAL
GPIO 35
GPIO 36
GPIO 37
GPIO 38
GPIO 39
GPIO 40
GPIO 41
GPIO 42
CN7 · AXH-B6B · EXPANSION
GPIO 1
GPIO 2
GPIO 3
GPIO 4
GPIO 5
GND
CN8 · AXH-B6B · EXPANSION
GPIO 6
GPIO 7
GPIO 8
GPIO 15
GPIO 16
GND
CN9 · AXH-B6B · EXPANSION
GPIO 19
GPIO 20
SDA / GPIO17
SCL / GPIO18
3.3V OUT
GND
0002 · EVSP-LB-001
Lir PRO · REV 1.0
ESP32-S3-WROOM-1U N8R8 · 8MB Flash + 8MB PSRAM
Dual-Core LX7 · 240MHz
Wi-Fi · BT5 · BLE
SX1262S8S+T-X1 LoRa 915MHz
CSGPIO10
CLKGPIO11
MOSIGPIO12
MISOGPIO13
RSTGPIO21
BUSYGPIO47
DIO1GPIO48
RXEGPIO8
POWER SYSTEM LM2596 Buck 12V→3.3V · AMS1117 LDO
TPS2113 Auto Mux · AO4407A P-FET
ADS1115 ×2 16-bit ADC
0x48 / 0x49
12 CH total
MCP4728 12-bit DAC
0x60
4 CH out
CP2102N USB-Serial
Auto-prog
Micro-USB
RESET
U13
USB CN1
Micro-USB
FLASH
U14
12V CN5
B2B-XH
CN2 · B8B-XH-A · GPIO DIGITAL
GPIO 4
GPIO 5
GPIO 6
GPIO 7
GPIO 15
GPIO 16
GPIO 19
GPIO 20
CN4 · AXH-B6B · EXPANSION
LoRa CS / GPIO10
LoRa CLK / GPIO11
LoRa MOSI / GPIO12
LoRa MISO / GPIO13
LoRa RST / GPIO21
GND
U20 · B12B-PH-K · ANALOG IN (ADS1115)
A0 · ADC · 0x49
A1 · ADC · 0x49
A2 · ADC · 0x49
A3 · ADC · 0x49
A4 · ADC · 0x48 ↑10k
A5 · ADC · 0x48 ↑10k
A6 · ADC · 0x48
A7 · ADC · 0x48 ↑10k
A8 · DAC · 0x60
A9 · DAC · 0x60
A10 · DAC · 0x60
A11 · DAC · 0x60
CN3 · B2B-XH-A · POWER OUT
3.3V OUT
GND
U17 · B4B-PH-K · I²C BUS
3.3V
SCL / GPIO18
SDA / GPIO17
GND
RF CONNECTORS
RF_UFL · LoRa ANT
JP1 · 6GHz RF TEST
Lir PRO · REV 1.0 · EVERSPRING TECHNOLOGIES · PATENT PENDING · GPIO NOT 5V TOLERANT · CONNECT LORA ANTENNA BEFORE POWER · EVALUATION UNIT — NOT FCC CERTIFIED FOR COMMERCIAL DEPLOYMENT
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