The Programmable Wireless Stamp (PWS) is a low cost micro-controller based wireless board tailored to general test and measurement, wireless data acquisition and IoT applications. The PWS is based off of the ESP-WROOM-02, a high performance wireless SOC by Espressif, especially designed for space and power constrained wireless data acquisition and IoT applications.
The Programmable Wireless Stamp include a general purpose I/O connector for direct sensor connectivity as well as three PMOD connectors, one I2C, one SPI and one UART/GPIO, for plug and play I/O extension and utilization of the growing ecosystem of PMOD signal conditioning modules.
The Programmable Wireless Stamp firmware can be programmed in National Instruments LabVIEW. A full set of LabVIEW API VIs is made available for easy access to the Stamp peripherals in LabVIEW. Two LabVIEW Templates are also provided to jump start your IoT and wireless data acquisition applications.
The Stamp can be powered by an external Lithium Polymer battery for standalone operation. It also includes battery charger capability and constantly monitors its battery health status, generating user notifications messages when it is time for battery charging. Battery charging can be accomplished by simply plugging the PWS on a computer USB port.
A SD Card can be inserted in the Stamp' SD Card connector for local data logging. The HW includes a Real Time Clock (RTC) for time stamped sensor data acquisition and data logging.
The Programmable Wireless Stamp is ideally suited for the following applications:
" Low-power remote data logging
" Low-power remote monitoring and control
" IoT (Internet of Things) application
" Distributed embedded monitoring and control
" Wireless data acquisition
Programmable Wireless Stamp (PWS) Main Feature:
ESP-WROOM-02 WiFi Module : MCU 32-bit 80MHz Integrated TCP/IP protocol stack
Flash Memory 4 MB with User RAM 50 KB (SRAM)
WiFI 802.11b/g/n at 2.4 GHz support WPA/WPA2
Integrated WEP, TKIP, AES, and WAPI engines
+19.5dBm output power in 802.11b mode
FCC, CE, TELEC, Wi-Fi Alliance, and SRRC certified for WROOM-02 Module
Supported Battery: Li-Po single cell, 3.7V, 500mAh minimum.
Micro SD Card Socket
Real-Time Clock (RTC)
USB for Power/Programming (Baud rates up-to 921600)
One I2C-Pmod? Connector (Pmod? Interface I2C)
One SPI-Pmod? Connector (Pmod? Interface Type 2 SPI)
One UART/GPIO-- Pmod? Connector (Pmod? Interface Type 4 UART, Type 1 GPIO)
Operating temperature range -20C to +55C
Input Voltage, Battery holder (Li-Po single cell): 3.4V-4.2 V (Typ. 3.7V)
Input Voltage: Micro USB: 5V
Circuit Operating Voltage: 3.3V
DC Current per I/O Pin: 12mA (max)
Operating Current (Average) = 80 mA
Product Page :
This product requires the installation of the below softwares.
1.Arduino IDE 1.6.5
2.Arduino Compatible Compiler for LabVIEW (Aledyne-TSXperts)
3.PWS board package which included hardware libraries and drivers.
You must first download and install requied softwares from the link below.
1.Arduino IDE 1.6.5 version from "https://www.arduino.cc/en/Main/OldSoftwareReleases"
2.Arduino Compatible Compiler for LabVIEW (Aledyne-TSXperts) from "http://www.ni.com/gate/gb/GB_EVALTLKTARDUINOCOMP/US"
3.PWS board package (refer "PWS Help Document" at the topic "INSTALLING THE BOARD SUPPORT PACKAGE)
For more information please refer "Programmable Wireless Stamp (PWS).chm" help document.
? 2016 TSXperts/Q-Wave Systems.
Bug fixed - RTC won't start when powered from battery.
PWS LabVIEW Library are supported below functions:
-WiFi Smart Config
-WiFi Event Service
-Watchdogs and Debugging
-Deep Sleep and Utility functions
-Timer 0, Timer 1 Interrupt
-SD Card and RTC for Data Logger Application
*Additional API: QwaveSys HW Interface Library 1.0.0:
-ArduCAM Mini 2MP (OV2640) Camera
-Real Time Clock : DS1307,DS3231,MCP79410
-Servo Motor Control
-ADC LTC2499 (I2C 24-bit 8/16 channel)
-ADC MCP3208 (SPI 12-bit 8 channel)
-Serial EEPROM 24AA025E49
-DHTxx - DHT11,DHT21,DHT22
-DS18x20 -DS18B20, DS18S20, DS1822
-Digilent Pmod - PmodTC1 - K-Type Thermocouple (MAX31855K)
-Digilent Pmod - PmodGPS - GPS Receiver (MediaTek GPS MT3329)
Release dateJuly 29, 2016